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Eamcet Grand Test Question Paper

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159. Assertion (A) : Helium is mixed with oxygen and used by deep sea divers.

��������� (A) : �� ��������������������� �!"�#$%&����"��'(���)*"�"+�,-)./0�)./012�'(� ��3456�).�

7��)*4�86�9:;�3<=,->/0�?

Reason (R) : Helium is less soluble than nitrogen at high pressure.

�*/0@�A (R) : BC��D�:$��"�����E�#$%&������3F�G(�����D��+�/0�D>�'(���HDIJ�)*��D/0�).�����C?

1) A and R are true and R is the correct explanation of A.

A ������ R ������� ������� R ������A ����������������

2) A and R are true and R is not the correct explanation of A.

A ������ R ������� ������� R ������A ���������������������

3) A is true, R is false. A �������� R �������������

4) A is false, R is true. A �������������� R �������

160. The metal not present in German silver is

������� ����� ���������������������������1) Cu 2) Zn 3) Sn 4) Ni

BOTANY

1. Which one of the following group belongs to ascomycetes ?

1) Saccharomyces, Truffles, Claviceps, Aspergillus

2) Yeast, Penicillium, Alternaria, Ustilago

3) Puccinia, Ustilago, Polyporus, Lycoperdon

4) Colletotrichum, Trichoderma, Albugo, Puccinia

������������ �������������������������� !"�#�$%&�'�()*+,���-���.��?

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#��$ �%����& �'()�*���"%+�, ()-��(). �%�/0�

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=�����7�>��?7��<����?7�@AB�9C���"�D0������2�&()-

2. From which of the following algae, agar is commercially extracted ?

A) Gracillaria B) Fucus C) Sargassum D) Gelidium E) Laminaria

��������/�0123.�456��7�����&!��.��23��8�9:;�()�*<�=;���>?�-�12&�@.�A�*+23B�='�C,D�-&�ED()��?

A)��0� ��E ()- B)����FG�H �������C)� ��9I �<� D)�J7'BK()�* E)��/��;L ()-

1) C,E 2) A, C 3) A ,D 4) B,D

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3.� Read the following Lists

List I List II

A) Peat moss I) Polytrichum

B) Horn wort II) Sphagnum

C) Haircap moss III) Funaria

D) Cord moss IV) Marchantia

V) Anthoceros

�� ������ �� ���� ����������� ���������� ��I �� ��II

A) ��� !"#$ I)�%&'�()*�+�B)�,-./01!/02 II) 3&45671�C)�8,/9/0��:�$!"#$ III)��-;�<�=��"D)��:/0>!"#$ IV)� !"/ ?@A��"

V)�B���C#D/ #$The correct match is:�E��#-=�F*���G����-;�:

A B C D A B C D A B C D A B C D

1) III V II I 2) I V II III 3) II IV I III 4) II V I III

4. Vascular cambium in dicot root is developed from

1) Intrafascicular cambium

2) Inter fascicular cambium

3) Both Intra & Inter fascicular cambium

4) Part of pericycle & tissue located just below the phloem bundle

�H��IJ� KL� M�/N�OG� < P�:� QR�L��+S!P� ��@� ������ ���!T�U� �F���������������������� ����������� �����������������������

������������ ���������� ����������������

!�����"�#����$%���������&'(�������)������)*�+����$,-�./0�$%����$,1�213�����)�4

5. Read the following characters and find out how many of them are applicable to mustard?

1) Hypogynus flower 2) Superior ovary 3) Marginal placentation

4) Various length of filaments of stamens with in a flower 5) False septum in the ovary

6) Tetramerous 7) Four stamens 8) Zygomorphic symmetry

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6. Choose the incorrect statement regarding leaves

1) Petiole of Nepenthes is modified into both tendril and phyllode.

2) Petiole of Australian acacia is modified into phyllode and the leaf is palmately compound leaf.

3) In Bryophyllum epiphyllous buds arise from the notches of leaves.

4) In Alstonia phyllotaxy is whorled

������������ ������������������������ ������������ ������������������������������������ ��������� �����!"#$%���!"��&�����'�(��)*��+�,�-� ���.�/0��1 �#23�������������������������!"#$%���!"��&��4���������5��6%7��!"������� ����7�����������'�(��)8���9 �#�:1;<=.��23��������>(�&��;23�� ;�� ��(23<�����?����1@���=��� A;��B!"CDE�F!�)G��+2H6I-J �#23������K�FL����&���M ���������K�FL���)

7. Which Method is used to introduce the ligated DNA directly into the nucleus of an animal

cell ?

1) Heat shock method 2) Gene gun method

3) Using disarmed pathogen 4) Micro injection

����� !�"#$���%�&�'�()*+�,DNA ���������,-���+�����,.�/0�1������,�/0��2���1�-��.�345�$6�789:;�<�=�*����������3> ?9@AB��AB���� !C9D�E��,FG��3HI�����GJ�$K�������D�L��M�K N9�*�,- O2���1�-��.

8� Read the following Lists

List I List II

Name of the Plant Life span of Plant

A) Pinus I) 100 + Years

B) Funaria II) Few weeks

C) Osmunda III) 300 + Years

D) Musa IV) About 2 Years

V) 5 + Years

P���� QLR��M��2����(�����3(���ST�QLR��UI QLR��UII

A) V�W�X I)8YYZ��[[B)��%�A3�(�* II) �\�]��$�M�C)^X_`�Sa III)CYYZ��[[D)_b�45 IV)��_*$6���?��[[

V)cZ��[[The correct match is:d ��()e��Q0ST���%: A B C D A B C D A B C D A B C D

1) I IV III II 2) III II I IV 3) I II III IV 4) III II I V

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9. The causative agent of creutzfeldt Jakob disease in human being is the

1) Causative agent of bovine spongiform encephalitis in cow

2) Causative agent of scrapie disease in sheep

3) Causative agent of syphilis in human being

4) Causative agent of crown gall in apple

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10. In Mendel’s dihybrid cross, if we considered contrasting traits are stem height and flower

colour and progeny in F2 generation are 16 plants. Out of 16 plants 9 plants are tall plants

with violet flowers, 3 plants are tall plants with white flowers, 3 plants are dwarf plants with

violet flowers and one plant is dwarf plant with white flowers. Then what is the ratio of domi-

nant and recessive alleles respectively regarding stem height and flower colour in tall plants

with white flowers. (Note : Calculate the alleles of 3 plants combinedly)

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2F 67� %���E� .&A���#;�F2$�GH�I�GH��#;�F2���J��#;�F2$�KL&'��4��M%&A-�N/O�� %4=$��*�PQ.2�$��RS�M�T�#;�F2$-U��#;�F2$�KL&'��4��M%&A-�6#2$�*��� %4=$�*�PQ.2�$��RS�M�T��#;�F2$-�U��#;�F2$�KL�>�4��M%&A��N/O�� %4=$��*�PQ.2�$�RV���T��#;�F2$-�W���#;�F�KL�>�4��M%&A�6#2$�*��� %4=$��*�PQ.2�$�RS�M�T��#;�FX���;6���%&'%�567$8��$9:7;�*�<*.%�� %4=$Y�Z�)*%@%��%[�KL&'��4��M%&A�6#2$�*��� %4=$��*�PQ.2�$��RS�M�T��#;�F2���@\]�� S67��$9:7;��%67� S67:7;4="���.2��<*._8����$4`�%&A�ab4=�$���c��d&'$��#;�F2���M�T�:7;4= �"���.2��#;6�8���R�]��C>F%?7%&AeX1) 1 : 1 2) 1 : 2 3) 2 : 1 4) 1 : 3

11. Assertion (A): We can estimate approximate age of tropical plants using annual

rings

Reason (R): Annual rings are formed in trees which are growing in the regions

where seasonal variations are more conspicuous

The Correct Answer is :

1) (A) and (R) are true and (R) is the correct explanation of (A).

2) (A) and (R) are true and (R) is not the correct explanation of (A).

3) (A) is true, but (R) is false. 4) (A) is false, but (R) is true

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12. Read the following Lists

List I List II

Name of the Plant Economic importance

A) Butea monosperma I) Blue dye

B) Petunia alba II) Medicinal plant

C) Makoi III) Yellow dye

D) Indigofera tinctoria IV) Ornamental plant

V) Green manure

����������� ����������������������������I �����II

���� !�"#$%����� !�"#$%����� !�"#$%����� !�"#$%����� !�"#$%� &'(� ��)*+�,��&'(� ��)*+�,��&'(� ��)*+�,��&'(� ��)*+�,��&'(� ��)*+�,���� �� �A) -./���.���.01234$�5 I)�67$%�89��#:�;$%<�B)�2#=��>��.��?@ II) AB:�������� !C)��C+��D III)�#:3:�#:E$%�89��#:�;$%(�D)�F���812#G$��/���1H'��. IV)�� �� $%I����� !

V)�#:JKL�8C3:#:E����� !The correct match is:

F��3:'��M����N���#:E�: A B C D A B C D

1) III IV II I 2) I IV II III

3) III II IV I 4) I II IV III

13. Carl Woese proposed six kingdom classification using which rRNA as a marker for

studying evolutionary relationship ?

�C$%O�13P���>>�+.$%!$Q�8C�R>��.S�D�#:'I+��3:�-���; ����������������3T�&$%��$��� +UV� $%I����#:W)*�����X��?1) 5S rRNA 2) 5.8S rRNA

3) 16S rRNA 4) 23S rRNA

14. The variety of Bhindi crop developed by hybridization and selection which shows resistanceto insect and pest is1) Pusa Komal 2) Pusa Gaurav

3) Pusa Sawani 4) Pusa Sem 2

�Y=� �+�'����Z�X ��#:W$1���� �������."#�[�$%� %���M��\]��X����� ! ���3:�� $%I�^�+$%I���;_$����+`�<��a*$%������������ � ��������������

�������������� ����������������

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15. Read the following table and choose the correct one.

List – I List – II List - III

Name of mineral Absorbed by the Function

element plant in the form of

I. Nitrogen Mainly NO2- Major constituent of proteins.

II. Boron B4O

72- Induction of disease

resistance in some plants.

III. Copper Cu2+ Essential for the overall

metabolism in plants.

IV. Iron Fe+2 Activates catalase enzyme.

1) III only correct 2) III and IV are correct

3) II and IV are correct 4) I, II and IV are correct

������������� �������������������������������� ��!�"��#$%�����&I ������&II ������&III

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4 7B O − �"�!�*�$��+ >7�*B�����0C�����D���E��;F����G��

III4��:�0H 2Cu+ *�$��+ �I#�������,�-�J���#�01�IV4�J��#$ Fe+2 K�@>LMN� 58MO6*8����PD�G(

�01���G��%���III �������� �������2) III �������IV ���� �������

3) II �������IV���� ������� 4) I,II ������ IV ���� �������

16. Assertion (A): Regulation of lac operon by repressor is referred to as negative

regulation.

Reason (R): Lac operon is not under the control of positive regulation.

The correct answer is:

1) (A) and (R) are true and (R) is not the correct explanation of (A).

2) (A) is true, but (R) is false.

3) (A) is false, but (R) is true

4) (A) and (R) are true and (R) is the correct explanation of (A).

�QRD���SA4�T�U0��VW0H���X0B������YZ��>[�\�]E�0B58�������D� �����:01���������D� ������[01�%�:01 ���SR4�T�>[�\�]E�0B58�,�-���:01���������D� �P�Z_���%J����������(*BY�T�����A����������R��������� ����������� ��A�!"#��R��� ����������$%���&'�

(���A��� ����������� ��R��� ����������&'�

)���A��� ����������&'����� ��R��� �������*

+����A����������R���������� ����������A��!"#��R��� ����������$%

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17. To produce 12 zygotes in an angiosperimic ovules how many spindle apparatii are re

quired? (Note:- calculate spindle apparatii from the pollen mother cells and megaspore

mother cells to zygote formation)

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18. Read the following lists

List I List II

Name of the phyto hormone physiological function

A) Zeatin I) Control of xylem differentiation

B) Ethylene II) Stimulates the closure of stomata

C) IAA III) Inhibition of seed germination

D) Dormin IV) Adventitious shoot formation

V) Initiates germination in peanut seeds

@�A�!B���C�' /��8D99E���/�>;����2F��C�'�GI ��C�'�GII

H%���*+�89 � ���AI�� JKL���8D9��M���N8D9�A%�OD�P' �A) Q��5R!ST I)�8U����VODW89S' #� ���AI����BB)�"BDXST II) %�A����A8DU ���Y����Z/�� #�A[%3�%7����BC)�IAA III)�V���/�����4/�� �\BD����BD)���&MST IV)�N�]��%�(�A%��^�_�`���I�

V)�P;���JK/*+�V���S' ���P$� ����W����_R� #��A[%3�%7����BFThe correct match is:

aB���&�$b�/����2%�(, A B C D A B C D A B C D A B C D

1) V IV I III 2) IV V I II 3) I IV II III 4) V IV I II

19. From the following choose the incorrect statement regarding micorrhiza in the members of

the genus Glomus

1) Develop resistance to root – born pathogens

2) Facilitates absorption of phosphorus and nitrogen from soil

3) Tolerance to salinity and drought

4) Overall increase in plant growth and development

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20. Sickle cell anemia in human being is as a result of

1) Change of amine acid residue glutamate to valine in alpha globin chain of haemoglobin

2) Change of amino acid residue valine to glutamate in beta globin chain of haemoglobin

3) Change of amino acid residue valine to glycine in alpha globin chain of haemoglobin

4) Change of amino acid residue glutamate to valine in beta globin chain of haemoglobin

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21. Read the following statements and find out correct combination regarding

wind pollination

I. Pollengrains are light and sticky

II. Well exposed stamens

III. Large often feathery stigma

IV. They produce nector

V. Flowers are large and colorfull

The correct combination is:

1) I, II and III 2) II and III 3) IV and V 4) I, II, III and IV

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22! Scientist Wodehouse belongs to which branch of botany?

1) Phytogeography 2) Palynology 3) Palaeobotany 4) Systematic botany

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23. Read the following lists

List I List II

A) SER I) Presence of anthocyanin pigments

B) Golgi apparatus II) Convert stored lipids to carbohydrates

C) Peroxysomes III) Site of formation of glycolipids

D) Vacuole IV) Major site for synthesis of lipids

V) Synthesis of phospholipids

����������� ����������������������������I �����II

����� ���!"��#�$%&'� (���� �A) ����%)*�����+,-����-�� � I)�.��/0�1)���234�-&'5����6�� ��7�8&"B)��9:,�%);��&'� II) 2 <�7�=�>%?�4 ����9&0@ABC���8D ���9

���-E&'FG�HI�C)�A%&���JKL64� � III)�M�NO�0>%?�4 �7��PQRD)�;��R�� � IV)�>%?�4�1)�STOU)�V�W��%)��X��Y������

V)�Z[\KLP]>%?�4 �1)�STOU)��The correct match is :

^��1);�!_����`���%)*�: A B C D A B C D

1) IV III II I 2) III IV V I

3) IV III V I 4) IV V II I

24� Assertion (A): Pea seeds swell more on imbibition than starchy wheat seeds.

Reason (R): Proteins have very high imbibing capacities compared to

carbohydrates.

1) (A) and (R) are true and (R) is not the correct explanation of (A).

2) (A) and (R) are true and (R) is the correct explanation of (A).

3) (A) is true, but (R) is false. 4) (A) is false, but (R) is true

2aF����bAc�d�2Z\���- ��G&e�2�f�g ���0����-����X�������hi�jV�W#-�9�7G�@��&"��9&'���bRc�d��Zk8l�OV�W�������2Z\��K\-�&'m���7��H�9��9&0@ABC���8D V�W���V�W#-�9�7�I��������A��������R��� ��������������������A������R�������������������� �

!����A��������R���� ����������������A�������R����������������

"���A����������#�������R����������#���� �

$���A����������#���� ��������R����������#%

25. Chromosomal aberrations are commonly observed in

1) Meristematic cells 2) Cancer cells 3) Phloem cells 4) Xylem cells

��06!EKL64��(%)���3� ���3�(�K\��X&'���9�n��� o`���2%?K\R&"�p����&'()*���(+� !�����,�-����(+�

"��./0�������1(+���(+� $���2�������1(+����(+�

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26. If a segment of DNA contains 2400 hydrogen bonds and 30% of Adenine nucleotides. How

many Guanine nucleotides are present in that DNA fragment and what is the length of that

DNA fragment?

����������� ����������������������� �� ��� !"#$� %&'������!()*$�+�,�DNA -./01��2�����3456. �� ��� !"#$� %&'��� 78,�9�:�;+�<�=� DNA 2������/>?@A�7���<

1) 400, 340 nm 2) 600, 3400A0

3) 600, 1700 nm 4) 400, 340 A0

27. Identify the wrong statement regarding diseases due to deficiency of essential mineral

elements

1) Deficiency of Zn causes mottled leaf disease in Citrus

2) Deficiency of Cu causes die – back in Beets

3) Deficiency of Mo causes whip tail in Cauliflower

4) Deficiency of Ni causes mouse ear in Pecan

=@�BC!(�28��@D�!6��34EF��@���G;HIJ�KLC��M��N(O�PF���-��Q�R�!"�-�KL8������PFS!68KL2C���5T�SU�1���V

������������� ������������� ���� �������������������

!���"��#������ ��$%�&'������()�*+���,-.�/01�2��3�45��6��

7���89:;�/<������� ���"9=�>��#����?���@�A�3�,-.�/01�2��3�45��6��

B���C��D������ ��E�"-<�����F5G�HI���#�,-.�/01�2��3�45��6��

28. Conclusion of Julius Von Sachs experiment

1) Green parts of plant synthesise glucose and it is usually stored in the form of starch

2) Sunlight is essential to the plant process that some how purifies the air fouled by burning candles or by

breathing animals

3) Plants restore to the air whatever breathing animals and burning candles remove

4) CO2 is required for photosynthesis

W)$�� ��KL ��XY!Z[�EF$� 5T�E\F)�L��XY;L��B@+�G]�:"�<

���/(J�3K�>��LM3N������*2+�" ����8>�A5G�����I�8�����.OP6�J���QI�J�,��4��R��&S��T���8������ U��.I��V�������� !���?/?U���6 �W�XYU54��.�Z�����[ ���3 �\4�����.54���"9��/(J�3K ��X] �_�. 5�����aI��M3N�5�8��1��b����,�5���� 7��XYU54��.�Z�����[ �W�����������c���?/?U���6 ���"9���d��? e�d��/0fa��/(J�3K ��gQe���-( �? ���0�J B���a��h�Z�1�5��I(8�����aI��M3N� 2Co �,�5��������(954��

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29. Read the following list

List I List II

A) Instrument crescograph I) Robert Koch

B) Germ theory of disease II) M. S. Swaminathan

C) Initiator of lab-to-land III) Sir J.C. Bose

D) Animalcules IV) Anton van Leeuwen hoek

V) Louis pasteur

����������� ����������������������������I �����II

A) ����� �!"#$%��&��#'(�)*+� I)�*�,*-.��"�-B)��/*-0�����1�2#$%���343% II) M.S. �567�&����&8C)� �#'�9:!;<= ����>�?�@:7�A#B�� III)�3'*-��/�3C�?D3%D)�E�����" � IV)�2�F&8�G�&8�HG9&8�I'J�K

V)� :*L�M5<NO*-The correct match is:�P��3'(�9Q����D���#'R�:

A B C D A B C D

1) III V II IV 2) V I II IV

3) III I II IV 4) III I V IV

30. A non flowering plant which is a free floating hydrophyte is

1) Salvia 2) Lemna 3) Salvinia 4) Typha

ST�A#B�U36��O!"���V��:���#'RWCX���Y�G9Z�) �������� ���� ��� ��������� ���� ����

31. If one molecule of 3 - phosphoglyceric acid enter into aerobic respiration and completely

oxidized, how many ATPs will produce in mitochondria?

[�)��\�]R�^�M5��X_ a3'(�K�2]�a��G���Z3'IC���<=63'������bD��#'G�c�>�#'d(e!"�2�fg�)*+\���9���h/Q��ijYk�ATP� ��G9�QTD�"������:bD�l��Xme��9�������?

1) 1 2) 12 3) 15 4) 16

32. Number of chromosomes in the meiocyte of organism ‘A’ and gamete of organism ‘B’ is

same. Find out correct combination regarding ‘A’ and ‘B’ organisms

I) A: House fly, B: Rice,

II) A: Fruit fly, B: Onion,

III) A: Rice, B: Potato,

1) I only correct 2) I and II only correct 3) II and III only correct 4) I, II, and III are correct

'A' �&��n7��9Z�) �7��9:A3BTobDY���pG9:��G8� �3'�q��'B' �&��n7��9Z�) �3'��9:!;�rE�bDY���pG9:��G8� �3'�q�s)t3']:�����*Z���A�]�(��Z�B�n]R s)t�3'�,����>�3'(�9Q���Mu���)���!;�(e����]Z�Iv�A : �!; B�w�](IIvA : �#'dTo�A#$Ba B w�lVa!;�xyIIIv�A : �]( B w�,�!"zN����#'���I ����������� ��!" ���I ����#�II $������������� ��!"

���II ����#�III $������������� ��!" ���I,II ����#III�$������ ��!"

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33. Enzyme A: It catalyse removal of groups from substrate without addition of

water leaving double bonds.

Enzyme B: It catalyse the formation of P - O bond.

Enzymes B and A are respectively:

1) Lyase and Ligase 2) Hydrolase and Ligase

3) Ligase and Lyase 4) Lyase and hydrolase

��������A �� ������������������������ !�"�#$��%&'(�)*&+,��-.�&'�)/%0��1���2&'!�"%0��3%4�1�(5�&+'%�6� 7� 89�:�����;<��������B ��P-05�&+'%0���=>.�:�������<�:�������B ��?!�;A%��� ���@�:������������� ������� ������������������ �������

�������������� ������ ������������� �����������

34. If EcoRI cut the ds DNA fragment at four places, then what is the ratio of number of hydro-

gen bonds present at those locations before cleavage by EcoRI and number of hydrogen bonds

cleaved by EcoRI at those locations respectively ?

ECORI*:9A�#�BC���:����������(DE8FDNAG��H�)IJ:)%�@K�#.�&9LM%��G��H���N��*0����0JO�PN�9QECORI

DNA R��H���;0�G��H�8����;�&,�S#.�&9LM%��T0JUV�W#�XY:�5�&+'%�����?!�;S#.�&9LM%�&,ZECORI 89��G��H�.�5�9UV�W#�XY:�5�&+'%���@K%I[�7$N����?1) 1 : 1 2) 7 : 4 3) 8 : 14 4) 6 : 2

35. Assertion (A): In Artocarpus, fruit is sorosis which is a compound fruit.

Reason (R): Sorosis fruit is developed from hypanthodium inflorescence.

1) (A) and (R) are true and (R) is the correct explanation of (A).

2) (A) and (R) are true and (R) is not the correct explanation of (A).

3) (A) is true, but (R) is false. 4) (A) is false, but (R) is true

I\]���^A)S�XC��� 7�_��6� 7�9.�%�;aE�X�B�_Q��b�����!c"@K.�%���� d�^R)aE�X�B�_*:9.�%�;UV�WDe:�&+X�H!���.�f.�7g:)h���0���H6� 7�i����������A������ ��R���� �!��"#��$%�&'(��A��)*+��R��"#��$%�&�'�,-

����A������ ��R���� �!��"#��$%�&'(�./0��A�)*+��R��"#��$%�&�'�,-�./12�

����A��"#��$%�&3(�./0��R��"#��$%�&3�./12�

����A��"#��$%�&3�./12�(�./0��R��"#��$%�&34

36. Bt toxin proteins shows their effect on which insect of Lepidopteran group ?

Bt �W��j:�#Dk�l0�m��.B��.BC�):�j���8c��06�ln��%0�0\�.��oaeN�;pI) Armyworm II) Beetles III) Flies IV) Tobacco bud worm

I��5�67879� II��:;�< III��=�>�� IV��?@A�.��B�9�7879�

1) I, III 2) I, II 3) II,III 4) I,IV

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37. Based on the coordinated functions of cell organelles, choose the odd one from the

following options

1) Peroxisome 2) Lysosmes 3) Golgi complex 4) Vacuole

���������� ������������������������������������ !��������"�#$%�&�'(��#$)����*��+#,�-���%%�.��+�/��012���������� �� ���������� �� ��������������� ��������

38. Read the following lists regarding secondary metabolites

List I List II

A) Cellulose I) Polymeric substance

B) Curcumin II) Drugs

C) Codeine III) Alkaloid

D) Concanavalin A IV) Lectins

V) Toxins

"34����������,56�78$+�9�:����;�"��<������"�=�*6$���������������>?����012=�*6$�@I =�*6$�@II

A) A����=B I)�;C��3�����D��� !E�B)��� !5F �&�8G II) HI����C)��J018G III)���F� K0GD)��/8G���#$(8G�A IV)�L��M8G

V)�)���N8GThe correct match is :O"��� �,-���=01�D�P� : A B C D A B C D A B C D A B C D

1) I II III IV 2) I II V IV 3) I V III IV 4) IV III II I

39. What is the ratio of number of cohorts under the series calyciflorae and under the subclassgamopetalae?��(�QRSTU� ��8?��VW���X�+��JC�Y ZM�����[�9�:��� ��K���#,5AD)�\��8?�XD��6� !�] ���������]���JC�� ZM����[�9�:��]��%I�7 _�.�6��`1) 1 : 2 2) 2 : 1 3) 1 : 1 4) 1 : 3

40. From the following identify the correct pair of statements in relation to Saccharum barberi

I) Thicker stems II) Originally grow in north India

III) High sugar content IV) Grown in south India

V) Poor sugar content and yield

Vab� !#G��c� ZcL� ������;�"��<�d�����"�#$)�����01��� �,-���#$[����6����.��+�/��012Ie����������X�+����0f� IIe��Rg���&�������X6�_ !�c�� !6��?Va��hg�]�>?hg_ !�2IIIe�.9�:F��>�i�F !�Vj6�� IVe�����k��c�� !6��?Va��hg�]�>?hg_ !�Ve�6�9�:F��>�i�F !�Vj6����� ��K�6�9�:F��"�]�;012The correct pair is:O"��� �,-����6�1) I, III 2) II, IV 3) II, V 4) IV, V

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ZOOLOGY

41. Sphincter of Oddi guards the opening of this duct

1) hepatic duct 2) common bile duct 3) hepato-pancreatic duct 4) cystic duct

������������� ������������������������������ �!�"�#��$%&%'����������� �� �������������������� �� ������������ �� �� !����"��� ��

42. Assertion(A): During hyperpolarization, the membrane potential of the nerve fibre falls

below - 70mV.

Reason(R): During this stage ,the voltage gated channels of K+ remain open for a little longer time and the increased permeability to K+ causes the ‘undershoot’.

1) Both (A) and (R) are true and (R) is the correct explanation of (A)2) Both (A) and (R) are true and (R) is not the correct explanation of (A)3) (A) is true but (R) is false 4) (A) is false but (R) is true

()*)�(A)�+,�-������%.�������/0123�456�57���8��,�9:;%<=�(>?%@?����AB�45C�D���#�E%��'�F�����(R) +,����/0123�K + �(>2B@GBHIJK��&�L=�MC�D������%�5%��4 ���5%�NO�#�JP����%!�5�K + �� ����QR��HS�%)45�TU��HSE���?&�456�57���)���%!�45�O�%8VR0�����U���QW45%��'���(A) #�$�(R)�%��&'(���#)�$*+�(R) (A)�,�-���#�)�$*�+ ��.

���(A) #�$�(R)�%��&'(���#)�$*�/���0�(R) (A)�*,�-���#)�$*�+ ��.���12

���(A)�3��4���0�(R) ���4

!��(A) ���4���0�(R)�3��4

43 Identify correct set of matching.

List-I List-II

A. Down syndrome i) trisomy of 21st pair

B. Turners syndrome ii) trisomy of 13th pair

C. Edward’s syndrome iii) trisomy of 18th pair

D. Patau syndrome iv) 5P monosomy

E. Cri-du-chat syndromev) monosomy of 23rd pair

vi) trisomy of 23 rd pair

List-I List-II

A) �X�Y��/���>(Y% iZ�[\�����>( ]VW(Y%��A_VW;%B) E�� �a��/���>(Y% iiZ�\b�����>( ]VW(Y%��A_VW;%C) M�$6�a���/���>(Y% iiiZ�\c�����>( ]VW(Y%��A_VW;%D) U�Jd��/���>(Y% ivZ�e p�( ]�>VW;%E) �f�g,�$%,�JK��/���>(Y% vZ�[b�����>( ]VW(Y%�( ]�>VW;%

viZ�[b�����>( ]VW(Y%��A_VW;%1) A - v, B - i, C - ii, D - iii, E - iv 2) A - i, B - v, C - iii, D - ii, E - iv

3) A - vi, B - i, C - iii, D - ii, E - iv 4) A - i, B - vi, C - ii, D - iii, E - iv

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44 Choose incorrect statement about neoplastic cells

1) they exhibit metastasis2) they donot show contact inhibition

3) they exhibit apoptosis 4) they have abnormal surface antigens

������������� �������������������������� ��! ��"#"

������������ ��������������������������� � ��������� !�" #�$�� ������������%&

'�����()*�%� !*�"+������������ � ,���������$- !*����.�/ (01 ��()234�5�67� �

45 Intra uterine device that prevents conception

1) saheli 2) cervical caps 3) DMPA 4) LNG-20

���$%&' $()*��+�,�-�./ ���0�12���$&'34����+�$%�5�)6*7��

�����89�2 ���:; <=>?4���%5@�-A !�%BC�1�

3) DMPA 4) LNG-20

46 Choose correct combination

Hormone Function Hyposecretion disorder

A. parathormone demineralisation of bone stones in kidney

B. Glucocorticoids stimulate gluconeogenesis Addison’s disease

C. Vasopressin reabsorption of water by DCT diuresis

D. Insulin Glycogenesis insulin shock

� ���8�9�:+�9��;9�<�=9�>?

@ �$(A9�� B)6*��� C�D�5�>���C/ ��E+����

A.��$)FG$(A7H ;>?�����?��I�JK�B�9$%�LMNOP 7H >Q�+�/��JR����$S4TU

B.������(�!�V�!$?JHW �����( ���:7����X9��1�M+�9">�+���12���JR� CJY� 7HW��"�6

C. �5Z�[/��7H DCT ���\��/ ]9^��(P � C�6��>Q�+(+�D_

D. a9�Wb7H c�d��(:7����X a9�Wb7H�e��f

1) A, B 2) B,C 3) A,D 4) B,C,D

47 The remnant of ‘ ductus arteriosus ’ in human heart

1) Eustachian valve 2) fossa ovalis

3) patent foramen ovale 4) ligamentum arteriosum

>�9>�@ �g)*�������JR��V�X�h�V���� �X���?��I�C>3iP >?j

���4�B���D4��EF�()G� ���HIJ���K2��

'��L�MN��O�HIP ��EF�KQRO ,��2:;���GF��S���4�TU�

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48 Read the following

a) homocercal tail fin b) pelvic claspers c) placoid scales d) operculum

e) branchial heart f) physiological uraemia g) air bladder

Which of the above characters are found in male Scoliodon ?

1) all except a and d 2) a, b, c, f 3) b, c, e, f 4) b, c, d, e

������������� ��������

a) ������������ �� b)������������������� !"�

c) #$%�&�� '�#("����"� d)�)��*+,-"

e) �"�./���0�12��3 �� f) �45���6���7�3 859�3 :

g) �3 ��;�."�

<�=���>����?@�AB�C3 : !D'�>���,��E��F�"�,G�1"��

���a ������d���� ������ 2) a, b, c, f

3) b, c, e, f 4) b, c, d, e

49 Unsegmented eucoelomates with open blood vascular system

1) Branchiostoma, Pila 2) Asterias, Aplysia

3) Sepia, Pyrosoma 4) Neopilina, Musca

����������>�����45��+,-0�1������*3 ��9�2H ����,I�����������J���K��,CLM�N� OH ��0E1H �P��"�

����������������������� ���� !����� "��#�$% $���

&��� �$��������'(���� )��������*+,�����-.

50 Reticulopodia are found in

1) Entamoeba 2) Euglypha 3) Euglena 4) Elphidium

Q��+,-J>��#B O3 ���,CL�)MR�P9

���#�/0��� �����12%34- &����15%+, )��#* 678����

51 Study the pattern of inheritance of a genetic trait in the pedigree chart given below and analyse the trait.

1) autosomal dominant trait - myotonic distrophy

2) X - linked dominant trait - incontinentia pigmenti

3) autosomal recessive trait - cystic fibrosis

4) X-linked recessive trait - haemophilia

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����������� ���������������������������������������������������� ���!�"#$��%&'()�*()+,�-./0�����

����������� ����������������������� �!�"#$��%&�

'��X-�()�)��*+,� ������������������-(.�/��01� 2���&�3*4��0

5�����������������������������(�(�%�!�6&78$9�(�1:

;��X-�()�)��*+,�����������������������<��&7�=��

52 Identify correct set of matching

List - I List - II

A) Darwin’s finches i) divergent evolution

B) Peripatus ii) vestigial organs

C) hind limbs of Python and whale iii) directional selection

D) DDT resistance in mosquitoes iv) connecting link

E) O+ blood group in Red-Indians v) convergent evolution

vi) founder effect

��, �1����2.���/0�,3�-.���

List - I List - II

A) 45,'67��89�-:�� i;�<��=>(?���,@����

B)�A�,B� �C ii;�<��"$��<� .�D)��

C)��E�4F��������, .��G!��/0��� ������-.(?�H�/I�� iii;���J .�2.��(?�

D) %K���LM�DDT � ������*(K%�NN�������3 iv;����%�&�B�2.��O

E) O+ (?��3�����%& .�����PQ��R(47�S�4T .�67�2�/0 v;�<U���(?���,@���

vi;�=>+�����V�O�����W�@��

1) A - iii, B - iv, C - v, D - i, E - vi 2) A - i, B - iv, C - ii, D -iii, E - vi

3) A - v, B - iv, C - i, D - iii, E - vi 4) A - vi, B - iv, C - ii, D - iii, E - i

53 Choose correct statement about ‘ organ of Corti ’

1) vestibular branch of auditory nerve arises from it

2) the hair cells in it have large number of cilia

3) it rests on basilar membrane

4) the efferent nerves of auditory nerve end in cochlear nucleus

�K,X�<�/0��/0H,Y����, �1���D)�Z�

���$>?�1@"#���A��B�<�(�% C���D�>EF�GH �I�"#�J��K"LIM

'��N ����OP���()�FC���>Q8=����*+���R�������S�"LI

5��-O�9T(����D��UV��6&8�S�"LI

;��$>?��1@"#���A��B��&)<@����1@"L���/�0W����D�X��$GY��A�������*+IM

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54 Assertion(A): Introduction of alien species into natural habitats is a threat to biodiversity.

Reason (R) : Competition between exotic and indigenous species may lead to extinction of

indigenous species.

1) (A) and (R) are false

2) Both (A) and (R) are true and (R) is not the correct explanation of (A)

3) Both (A) and (R) are true and (R) is the correct explanation of (A)

4) (A) is false but (R) is true

������(A)������� ���������������� ���������������� �!�"#$%&�'���('�)*+,-..���� /001���2��3$%���

������(R) ������ ��������������� ���������'�,-.��456/����7&�'����� ���������

���������8&��9&:45';��<��=

���(A) ������(R)����

���(A) ������(R)����������� �(R) (A)�������������������� !"#�$

%��(A)�������(R) ����������&��'(�(R) (A)�������������������

)��(A) ��� �������(R)����

55 The neuroglial cells found in the ganglia of peripheral nervous system

1) Schwann cells 2) neuron cell bodies 3) astrocytes 4) satellite cells

����9>-?���@�$A�'�'B����@�$A�B�&,C?�� �&��� ���D&;���E��FGH?���I� �1���

���*+,-.� ��/0� ���-1�2 ���"(3�/0� %��456789�:;<0� )��6+;=>?:;<� ��/0�

56 The parasitic effect of Fascola hepatica in the intermediate host is

1) gigantism 2) hyperplasia 3) hypertrophy 4) castration

4JBD?)E���KD�46L M������N(+�'���'E,-.�+� ���O,-���P��� ���D&;�������N�(+����Q-�'&

���&@ !���� ���93:/���AB+C�D��� %��93:/���A�5;E�FGD )�� !5H�8I�-.

57 Secretion of this gland forms the egg case around the fertilized eggs in Periplaneta

1) gland cells of clitellum 2) collaterial glands

3) conglobate gland 4) utriculi majores

!�94H@�6����2��RS&T-��' M��'����J��> ���1&�;)&T��8&$U��;��"�#�RS�$%H F� &�2��3$%����V

���� :CJ?0C'.���� �K�5LM�NO� ��/0� ��� P>/C; Q����><�5LM�"O#�0�

%�� !�LRCST;<�5LM�NO )����U5;=���>?:�'(�VE�AW

58 Jawed vertebrate which exhibits anadromous migration

1) Petromyzon 2) Anguilla 3) Hilsa 4) Flamingo

8@��$F'�BW�'�B�������,.9X&;��,.'$%��� �YG��B� ��Z��� �'P

���9�5;E'���V/-. ���4�X,>/C %��3D/>/W )��9�FC���LR

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59 Identify correct set of matching

List - I List - II

A) Vulpes zerda i) flying fox

B) Ranatra ii) angel fish

C) Ailurus ochraceus iii) Water strider

D) Pterophyllum iv) desert fox

E) Pteropus v) Red panda

vi) Water scorpion

������������ ����������List - I List - II

A)������������� i� !���"#

B) �$%&'() ii�*+,��-.��C) /01�$��2'�3�4����� iii�5&6��7��89:;��D) (<�=�>4/?+ iv� :@���"#E) (<�=���� v�A�:BCD+:@

vi�E(F�./�1) A - iv, B - vi, C - v, D - ii, E - i 2) A - i, B - iii, C - v, D -ii, E - iv

3) A - v, B - vi, C - i, D - ii, E - iii 4) A - i, B - vi, C - ii, D - iv, E - v

60 This condition shifts the oxyhaemoglobin dissociation curve away from the Y-axis

1) low H+ 2) high 2PCO 3) low temperature 4) high 2PO

G'�F+H����4I���/�J2�FKL4)5�0M=?N%BO��0��'�"!�P Y-Q�"R+��+S�T0�$+M3OUDI���+-�+�T����+H����������H+ �������� 2PCO ����������������� �������� 2PO

61 The term ‘macula densa’ refers to

1) yellow spot of retina

2) specialised smooth muscle fibres of the afferent renal arteriole

3) projecting ridge of vestibule of ear 4) modified epithelial cells of DCT

V�0W"X1�):�%&KYQ%.���T��Z[�F��+\+H]+S�H���������������� ��!�"� #�

���$%&'�()*�+#�,&- .�����/0#12���3456�#�247�8���2�� !9 :

��";<�';�)=3 0�>���?2,- ����@A6���B =

���,-C��������2D�����D#���.�C�8 E�";2F6����#�G*#�H*9

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62 Immovable cartilaginous joint is found between

1) pubic bones of pelvic girdle 2) frontal and parietal bones of cranium

3) epiphysis and diaphysis 4) tibia and fibula

������������ ������������������������

����������� ����������������� � ������������� �� ���!"#��$�%&'()��* �

+����,-��..),)/���!"#��&0"#1-��.),)/ 2��345#�674��,�5#���!"#��89,��674��,���

63 Choose incorrect statement about the ‘second largest gland’ in human body

1) its larger ducts are lined by stratified cuboidal epithelium

2) it is an apocrine gland

3) its exocrine portions ‘acini’ secrete enzymes under the influence of cholecystokinin

4) β -cells of its islets of Langerhans secrete hypoglycemic hormone

����������� �!"#$%�&'��(�)*+�!��*+,�-� �,�.��/0�1�

���:��";���<�-�=>?�@AB� ��)�C!5#�����@A�D�6�E����BFG�H�!4I�E4&0���J

���KL��MN���.@O��PQ4LR

+���S�T),UNV��.�@O�";���<����WR��4�� ��:��89,��UXY����WR�PQ4�Z�),�[��4\].�� ����)� 4G#���J

2����4PQ�_9� @OY����a��� ��� β -���� ��-9.�MN��P.b)c ��d�9� �Se������)�� 4G#���J

64 Identify correct set of matching

List - I List - II

A) Digital Subtraction Angiography i) Osteoporosis

B) Electroencephalography ii) blocks in coronary artery

C) Computerized Axial tomography iii) epilepsy

D) Magnetic resonance Imaging iv) Genetic defects in foetus

E) Amniocentesis v) cerebral aneurysms

�,�234��56%���*+,7�8%�4�

List - I List - II

A) �9:;�<� �=<)����>?@�A�:$B�)*+'C� iD�E �F$B��GH3I � J

B) A�K�IFA?@& 'C�� )*+'CL� iiD���3I�M������� �2�3I��N�

C) ���'�O�;P3QR<�@�S��T$%�<�� /B�)*+'C� iiiD�A'��U'LV

D) ���*+W���X�,5?B?@T�Y/�:�*Z ivD�'������ �5��� G[�

E) �2\W$B�& �]U � J vD�& ,)^�<�2���,5/@T1) A - ii, B - iii, C - i, D - v, E - iv 2) A - i, B - iii, C - v, D -ii, E - iv

3) A - v, B - ii, C - i, D - iv, E - iii 4) A - i, B - v, C - iii, D - iv, E - ii

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65 Read the following

a) ejaculatory duct (b) rete testis (c) epididymis (d) vas deferens (e) seminiferous tubules

(f) vasa efferentia (g) urethra

Identify the correct sequence of parts through which the human sperms travel

������������� ��������a)����������� (b)������� ��� (c)�!"#$%$&'(��) (d)�*�+��,�-#.�,(e)�*�+��/01���,��2�,�� (f)�*�+��,�2�,�� (g) �"�3��,��4����56�*�+��,��,7.���"�8 47��49:;���8&��,����<8&=�����,�������>?�<@�� ����1) e - f - b - d - c - a - g 2) e - b - f - c - d - a - g

3) e - b - c - f - a - g - d 4)e - f - b - d - c - g - a

66 Choose wrong pair

1) TH cells - interleukin 2) Mast cell - histamine

3) plasma cell - immunoglobulin 4) monocyte - Drumstick body

��<�A��B0 ���>?�<@�� ������TH �������� ��������� ������������������������ ��!�"��#��������$��%�&%"'�(�� )��*+��%,�-./��012*�����3�45�6��

67 Closed, enteronephric nephridia of Pheretima are located in

1) 14th, 15th, 16th segments 2) 4th, 5th,6th segments

3) 3rd to last segments 4) 15/16 to last segment.

C"D<��456�����E0 F�G��0 �E�A����H�$I�J�$%0������14th, 15th, 16th�7�189:� ���4th, 5th,6th 7�189:� ��3rd ;�18�<�=�7�189>�$���?@�A )���B/�C�;�18�<�=�7�189>�$���?@�A

68 The peritoneum connecting the ovary of frog to the kidney and dorsal body wall is

1) mesorchium 2) mesosalpinx 3) mesovarium 4) mesometrium

�,"�1��I-�.�56���K@�LB��/*M���"�E �NO,P$QR������<8 ���S�0 "#�$Q�����,T3"�G��0 �I �U�������$D6EF+�GH ���I�J���K/L���3� �� M�NOPG�%QRF+�GH )��I�J*+0. �F>�

69 A drug addict is found with hallucinations and euphoria. The drug abused by him could be

1) morphine 2) cocaine 3) heroin 4) LSD

V�,��W��@��XY.�Z0/�����<8 ��H5.[���#\Z56���H���F�]0 ���^����_�`��4���,�����W������=S�� ����%T�-�� ��,���:�$�� )��LSD

70 Tympanal organs of cockroach are located on

1) tibiae of legs 2) pedicel of antennae 3) maxillary palps 4) and cerci

Xa�b��,56���cd�5e�]�>A���H�$I��"��I*�������UVRW�F+$��E�.�XF>��YZ�&[� ����6S�?\QR]�&[��F+$��E�,L18,�K/

��G�XZ�U��6S�:#�&U� )��!�F>$!��&U�

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71 Identify correct set of matching.

List - I List - II

A) Colloblasts i) Enterobius

B) Polyembryony ii) Pontobdella

C) Phasmid iii) Hormiphora

D) Botryoidal tissue iv) Pila

E) Osphradium v) Fasciola

vi) Physalia

������������ ��� ����� ���List - I List - II

A) ���������� i���� !��"#� ��B) $%� �&'�()�*� ii��+,� �"-���C) +.,�'/(0 iii��%�1�/+.2�3D) ��45 ���()�6��789��� iv��:&;��E) �<=>�?@(A#� � v��+.,�'#BC��

vi��:&.;>�D#�C1) A - vi, B - v, C -ii, D - iii, E - iv 2) A - iii, B - v, C - i, D -ii, E - iv

3) A - v, B - ii, C - iii, D - iv, E - i 4) A - iv, B - i, C - ii, D - v, E - iii

72 The lymphoid tissue of small intestine which is the site of interaction of lymphocytes with antigens is

1) Peyer’s patches 2) adenoid 3) spleen 4) Bursa of Fabricius

E�F�5>&�� ��G�H�I�J��3����789������D�+.2:�; 6K�5&�L���M���&��3��?�3����3N� ��3 &�O� ����������� ������� ����������� ������� !" #��$��%&'()*+���*,

73 When an unusual ovum of Drosophila with ‘AXX’ is fertilized by the sperm with ‘AXY’, then it developsinto

1) meta female 2) intersex 3) fertile female 4) metamale

‘AXX’�5��PBC9�P0 � ��7DQ��5(RS2&.'����S,TUV�38���()�� ‘AXY’,�5��PBC9�P0 � ��7DQ��IWX5�7�78��&.��Y�7��&�$(A�&�Z() ��"U�[\]��B�T�_`����-./�(*�0�12 ���* �3"45�12 ����& �6�(*�0�12 #��-./�� 7��8 �12

74 Choose correct set of statements related to ‘ allergy’

i) the antibodies responsible for allergies are IgE type.

ii)allergens cause the release of histamine and serotonin.

iii) steroids such as cortisol reduces symptoms of Type-I hypersensitivity.

a��bc�!d����$�\U�E�����������PeNfN� i����bcG��7DQ���5&�LT%��� �Ig E �3�7�ii����g�ch0K�����%'�S,� h0�� �#���:��3 �Gh0�`() Ti����� � �iii���M��S2�6��� !�:���e#� (0K�j���3�7���L��� GF��*���#B��7k���7l8��� ��Qm��� � �1) i, ii 2) ii, iii 3) i, iii 4) all 9�: ;<

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75 Choose correct combination

Animal Character Group

a) Ascidia dorsal ganglion Urochordata

b) Sphenodon hemipenes Rhynchocephalia

c) Balanoglossus stomochord cephalochordata

d) Thyone respiratory trees Holothuroidea

������������ ��� ����� ���

�� �� ������ ��������

a)����� !�" #�$%�&�'(�)����*+!� ��� !���,�-.�&/�

b) ��01',�2'3 4��5 4#6�7 ���,4�89:;!�"

c) <=�',�->���7 ?@&AB"�-�CD 4�89:EF��-.�&/�

d)�*GH!B"'3 IJK���$��-� ���LEF*MH �!�"

1) a, b 2) b, c 3) a, d 4) a, b, d

76 Assertion (A): Most of the animal populations exhibit logistic growth.

Reason(R): In the absence of environmental resistance the population grows in geometric

fashion.

1) Both (A) and (R) are true and (R) is the correct explanation of (A)

2) Both (A) and (R) are true and (R) is not the correct explanation of (A)

3) (A) is true but (R) is false 4) (A) is false but (R) is true

A(NON�(A)�PQ��'R����� ����'(<M��E�S�T&�U�4#�V �� *H�� ���"#��� �

�-�V���(R) PQ�#�����(��6�,*MH����EF#T�W�#�X�Y �'(<M��Z�N5 [!� ��-�\��Y � �

���(A) ������(R)��� ��������������������(R) (A)�������������������

���(A) ������(R)��� �������������� !"�(R) (A)������������������� !#$�

%��(A)�&'�(� !"�(R) )�'�( *��(A) )�'�(� !"�(R)�&'�(

77 Identify correct set of matching

List - I List - II

A) Acineta i) tentacles

B) Amoeba ii) anisogamy

C) Monocystis iii) sporulation

D) Trichonympha iv) heliopodia

E) Actinophrys v) Hologamy

vi) isogamy

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������������ ��� ����� ���

List - I List - II

A)�������� i) ���������

B)�� !� ii)����� ����"#$����

C) %#$�&����'�( iii))*��� +,-��.

D)�/012�&3�456 iv)78�9"#$4*:;"�$

E)���<'�&/=5��( v) 7��>+?��@

vi) ��� ����"#$����

1) A - iv, B - iii, C - vi, D - v, E - i 2) A - ii, B - iii, C - iv, D -v, E - i

3) A - iii, B - ii, C - vi, D - iv, E - i 4) A - i, B - iii, C - vi, D - v, E - iv

78 Choose correct set of statements

i) Peroxyacetyl nitrate in photochemical smog causes respiratory illness.

ii) Chlorofluorocarbons cause depletion of ozone in stratosphere

iii) Particulate matter in air such as asbestos causes respiratory disorders.

A�/�<�B�%C�<+?����������%CDED�� ��� ����� ���

iF�G=�C�<H����012+I��#J/0,�I��������K���)6"� ��4L��� ��� �����MNO������P�BQ�R��%CDSQT � ���� U� �

iiF��&V�&�45*V�&�����W�V�����)6'�?�8�"� �X�+?3�YZ?�.��[\�4*�]�

iiiF��_ ��$=��=�S`�Ca����b ���<�c�(!1)6'�(�����MNO������P�BQ�R��%CDSQT � ���� U� �

1) i,ii 2) ii, iii 3) i, iii 4) all G=J�de

79 In a population of 2500 guinea pigs which is in a state of Hardy-Weinberg equilibrium, 225 are with arecessive trait. How many are with homozygous dominant genotype ?

7�fghi �.P�X\���� C��jK3�/=�ST����� �klmm��C!Q���n9\��[3"#$=��ST �+?o�kkl������\����np_��� �n9[�q�e@�� �<+?��3e���� "����r�P7����\��� D��$=����� ��n9\"���:s � �

1) 1225 2) 1050 3) 2275 4) 225

80 Identify the correct sequence of course of blood circulation from the heart of cockroach.

a) head sinus (b) heart (c) dorsal sinus (d) aorta (e) perivisceral and perineural haemocoel

!tBu��n+?�7��vST"� ��� �:;����n�/=�����_��$��\���"#��nw����"#2 ��/�n� ��� ��� ����� ���

a)����&b��� (b)�7��vST"� � (c) =�v-�'�&b��� (d) � 7�fSQT� 3(e) =��CD��������� �"���=���C:x����n�ynz7�����

1) b - a - d - e - c 2) b - d - a - e - c 3) b - a - e - c - d 4) b - c - d - a - e

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EAMCET GRAND TESTAGRICULTURAL AND MEDICAL

PHYSICS

81. The respective number of significant digits in the numbers 23.0230, 0.0003 and 32.1 10�� are

23.0230, 0.0003 and 32.1 10�� ���������� ���������������� �����

1) 6, 4, 2 2) 5, 4, 2 3) 5, 1, 2 4) 6, 1, 2

82. The resultant of two forces 3p and 2p is R. If the first force is doubled then the resultant is alsodoubled . The angle between the two forces is

3p�������2p ������ �������������R���������� �������������� !"#�������$����������%&'�(������������)�

*��� �������+�,�-./��1) 600 2) 1200 3) 700 4) 1800

83. If the equation of motion of a projectile is 21

y = 3x - x ,8

(y and x are in metres) the angle of

projection and velocity of projection are respectively (g=10 ms–2)

0��-�1��2��"��2������-&3� ����"�4�-&5/��� 21y = 3x - x ,

8�6y��������x�4�758�9�-&���:���0��-�1��2�-./���������

0��-�1��2��!;<������5�"�;=�(g=10 ms–2)

1)1 11

tan and 10ms3

− −⎛ ⎞⎜ ⎟⎝ ⎠ 2) tan–1 (3) and 20 ms–1

3) tan–1 (3) and 10 ms–1 4)1 11

cos and 20ms3

− −⎛ ⎞⎜ ⎟⎝ ⎠

84. A block of mass 1 4m Kg= lying down on a smooth plane inclined at angle of 30° is connected

to another freely suspended block of mass 2 6m Kg= as shown in figure. The acceleration of

each block is ......... ( )210g ms −=

������������������ 1 4m Kg= , 2 6m Kg= ����������������� ���������������� ��!"#�$%�&

$���'()*(+*�,��-�./�(+*��0$%1�� ( )210g ms −=

30°

1m

2m

1) 21ms− 2) 25 ms− 3) 28 ms− 4) 24 ms−

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85. A body rests on a rough horizontal plane. A force is applied to the body directed towards the

plane at an angle � with the vertical. The body can be moved along the plane

������������ �������������������� ������ �!�"#��$����%����%&���'(��)����������������*���

��$'(�+�"#�,������-����./ �01�� ������23�4���./���5�#

1) only if � is more than the angle of friction � ����������� ������ ������������������� �

2) only if � is less than the angle of friction � ����������� ������� ������������������� �

3) only if � is equal to the angle of friction � ������������� ��!�������"�������������� �

4) for all values of � � �#�$ ��%&'�()��)� �86. Arrange the coefficient of restitution in the following cases in the ascending order

����������� ��������������������������� ���!���"#�$����%�������&��� �'��

a) Collision between two neutrons (��)*���+��,$-.�������&/��0�+�1��

b) A bullet get embeded in the block after collision &/��0�+�1����1� �2��1�3��45,6��27�8��������29:�;1���

c) A body drops from a height of 4m and rebounds to a height of 1m after collision

4m <�1�=����)>�?$� @)>A������=�B�&/��0�+�1����1� �2��1�1m <�1�=C%D�<EF���B)*�

1) a,b,c 2) a,c,b 3) c,b,a 4) b,c,a

87. An electric pump is used to fill an overhead tank of capacity 9 m3 kept at a height 10 m abovethe ground. If the pump takes 5 minutes to fill the tank by consuming 10 kW power, theefficiency of the pump should be (take g = 10 ms–2)

9 m3 ��*����+,)�-.�� ��/ )����0 10 m ����123� )45�6�47&&�&����8� � 5 &(�9:)� ��10 kW ;:����<=�%�!�����%�$��>��������#�$ ��45 ?�������@ (take g = 10 ms–2)1) 60% 2) 40% 3) 20% 4) 30%

88. Masses 8, 2, 4, 2 kg are placed at the corners A, B, C,D respectively of a square ABCD ofdiagonal 80cm. The distance of centre of mass from A is

A45�=�BC�DE�FE�GE�F�kg�)���A, B, C,D H������A!��I�B�)��45J�����!�+K�L�M�������E�A����0�A45�=�BC�N�A45�$�����45����23�L�������OH������A!�� ��P��Q�DR�cm�S1) 20cm 2) 30cm 3) 40cm 4) 60cm

89. A thin uniform rod of mass 'm' and length 'l' is hinged at its base and allowed to fall fromvertical position. Its angular accelaration when it has turned through 600

'm' A45�=�BC�'l' TU�����+,)�V �!��'&�W XY� �Z[� A\�] _.+K&'�`a�M�47&&�&)������)�23�&8b&)���+KL�'��c�����d!eH�fg+K��������H��]�M�E�%] 600 Y*a���c����%]�TU�4 ��h#�����e���

1)3g

4l2) l

g

4

33⎟⎟⎠

⎞⎜⎜⎝

⎛3) l

g

2

3⎟⎟⎠

⎞⎜⎜⎝

⎛4)

l

g

90.A particle (point mass) suspended by a thread of length 'L' is projected horizontally with velocity4gL at the lowest point. The height from the bottom at which the tension in the strig becomes

zero is

L'TU�����+,)�47���$�� �� 8bi�0��V � �$���&��'����� �45�����45J� 4gL �\?Yj�!��������� +,����A��\?��1�H !k�E�&��'����� �45��������0����������1��45J�l����=���mno�=��������]6

1)43L

2)53L

3)23L

4)3L

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91. A satellite of mass 'm' is circulating around the earth with constant angular velocity. If radius

of orbit is oR and the mass of the earth is M,the angular momentum about the centre of the

earth is

'm' ���������� ������������������������� !"#$%��&'���("��)������*������+,-.!/!01�&��23� ��� oR ,

��������������M 4��+,����5!*������ *1!"#$%�������&'���

1) om GMR 2) oM GmR 3)o

GMm

R 4)o

GmM

R

92. A particle starts oscillating simple harmonically from its mean position with time period T. If

a, b, c are potential energies of the particle at instances T T 3T

, and 6 2 4

respectively then arrange

the potential energies of the particle in the increasing order ________

��������6236+*+�*78T 9�� :+!1�*(";!/!/#*!/*��<����'%�����+,-.T T

,6 2

��)%��3T

4!1=�����>!/#*

%?�!/@��6ABCDE/F:���� ���1a, b ��)%��c 4��+G�)5�!/��*=H��6ABCDE/F:�+��&�%����1) c, a, b 2) b, a, c 3) a, b, c 4) c, b, a

93. On loading a metal wire of cross section 8 210 m� and length 4m by a mass of 420kg it extendsby 8mm and suddenly broke from the point of support. If density of that metal is 35000kgm �

and its specific heat is 1 1420Jkg K− − the rise in temperature of wire is � �210g ms �

������������� 8 210 m� � �������������������������� �420kg ��!"#$%&'�(�)*#�+,-.� /�8mm 012.3-4536�74"8$9:�45���.���;� ��01<���=�>���2�?$@�/A�����3648$9B36��01�(45��� 35000kgm � ��CD�@EFG?HI6J�� 1 1420Jkg K− − $@.�����KG?J(����*L�M3$9����45� � �210g ms �

1) 02.5 C 2) 05 C 3) 200C 4) 0200 C��� ������� ���� ��� ���� ������� �� ������� ��� ��� ����� �� � ������ ����� ��� �������

������ ������� ��� ������ ������ ���� �

�������� (A) : I�+,&��23� 6��������J�KJ�7L��+�5!CD<�M!/("!/N��+O+,J�7L�&��!"O*���+�G���>J�7L���*!"O*���+�!����� �!� � "�#��� �������� ���� � ���� ������ � �$������ ���������� � � �����

�� ��� (R) : ��J�KJ�7L�=HP4-�!/�Q7L+*�RP&��23� 6*+E/F�=H��+�S3(�*=H%��*7L�+������������� ��������������� �����������������������������������

A��������R������������ ��R, A�������������������

������������ ��������������� ���������������������������������������

A��������R����������R, A�������������������������

����������������������������A����������R������

�����������������������������A�����������R�����

95. A rain drop reaching the ground with terminal velocity has momentum P. Another drop oftwice the radius also reaching the ground with terminal velocity, will have momentum of

������� ���� �� �������� ���������������� ���� �� !�"#��$� %"#�&����� P'� � (���� )�� *���$��&+,��-��� �./� � ���������� �� �������� ���������� ���012� ����� � !�"#��$� %"#&�&����1) 4 P 2) 8 P 3) 16 P 4) 32 P

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96. A uniform metal rod of length 'l' and mass 'm' is rotating with angular speed '� ' about an axis

passing through one of the ends and perpendicular to the rod. If the temperature increases

by t oC, then the change in its angular speed is propoortional to

�������'l'����� ��'m'��������������������������������� �!��"#"�$�%&�����'���("�)��*+,(-��.���/"�$'� '� �012+�(3,���4�0� �567�(1�4�8,+�48�(�9:;� � %&�<=*>������t oC� ?�"@�A� %&�012+�(�3,���4������(��(�B�/(C�-�(���B�(��D���4���<"��(�:;

1) � 2) � 3) �2 4) 1/�

97. A solid which does not expand on heating is floating in a liquid. At 500C, 60% of its volume is

submerged and at 1000C, 80% of its volume is submerged. The coefficient of real expansionof liquid is

3,�E8,�F �3 ��08��4�8G"&������H�(��I�(J������"����,�(8�(�9:;��<=*>������500C��K�60%

�H�(���L�B1�4A� 1000C �K� 80%� �H�(���L�B1�4� ��"��� �4&M���9:;� � ��&N3 ��08���(1���4�O�(�

1)0 11C

210�

2)0 11C

180�

3)�0 11

C420

4)0 11C

150�

98. Two spheres made of same material have radii inthe ratio 1 : 3. They are heated to the sametemparature and kept in the same surrounding at a moderate temparature. The ratio of theirinitial rates of fall of temperature is (Bodies are cooled by natural convection and Radiation)

���������� ������������������������� ���� !"�� ��#$�%&'�(�)�*+��,-�.������� ��������/0123�4��567�����

��89����: ;��6�/0123�4�����:<�/�=���>8�� �?@�/-AB��+����CD�/0123�4��������4�E�:���F���#$�%&'+

1) 1 : 3 2) 3 : 1 3) 1 : 9 4) 9 : 1

99. An ideal monoatomic gas is taken through the thermodynamic states A � B � C �D viathe paths shown in the figure. If UA, UB, UC and UD represent the internal energy of the gas in

state A, B, C and D respectively, then which of the following is not true

��6�G�6�����H��6�I�:J����� �K�����F-?@�����9�F�L�A � B � C �D �4�-�M�/$�2�4&�89N�����/B�= UA, UB, UC and UD 89N&�A, B, C O�D���:<����� �P-��>�6�Q��D'����8��AR8'S�3�D-T���CD?@�GT�#U� ��V�:�+1) UA = UD

2) UB < UA

A B

CD

T 2T

2P

P

Pre

ssur

e

Temperature

3) UB = UC

4) UC > UD

100. Two vessels having equal volume contain molecular hydrogen at one atmosphere and h e -

lium at two atmospheres respectively. The ratio of rms speed of hydrogen molecule to

that of helium molecule if both the samples are at same temperature is

����������������� ��� ����������������������� ����� �� !��"#$%��&�'��(!)&���*+&�'�,��-./�0!1�21&��3��&�'� �������0!1�21&��3��(��$+�����4�5�678�9�*+&�'�,��&:'./;�5<=>� ����������*:?�@

�� !��"#$%��&�'��(!)&������A8B8C�*D ���EF�GHI8

1) 2 2)1

23)1:1 4)1:2

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101. Transverse waves are generated in two uniform wires A and B of the same material by attach-ing their free ends to a vibrating source of frequency 200 Hz. The cross–sectional area of A ishalf that of B while the tension on A is twice that on B. The ratio of the wave lengths of thetransverse waves in A and B is

���������� �������������������������� !��A"�#��$�B %&'�()*�+"!���200 Hz ,-�.��/�0"$�� !�������1��23�4�&���5��"$�����$6"!���0�7� ���2!�� ��8 ��!9:��;�����<�A�=$��>�"��5?0��)*�?"$�B 9:�&�� "$"�#��$�A 9:� ��0 �@�B ��A(B��C4D���/<�A�"�#��$�B 9:��0�7� ���2!� ��� �=E(F0!�3G�;�H

1) 1 : 2 2) 2 : 1 3) 1 : 2 4) 2 : 1

102. An open organ pipe of length l is sounded together with another open organ pipe oflength l + x in their fundamental tones. Speed of sound in air is v. The beatfrequency heard will be (x<< l )

l �� l + x����������� ���������������������������� ��!�"#$��%���&�� �#'�#$()*'�(&��(+,

�*$-���./�*$�0%

1) 24

vx

l2)

2

2

vl

x3) 22

vx

l4)

2

2

vx

l

103. A short linear object of length l lies on the axis of a spherical mirror of focal length f, at a

distance x from the mirror. Then the length of the image so obtained will be :

�����������'f '� ������� ���������������������� �!��"��#$%�'x '&���'��()�l *+�,-. ���/�0�123��-4&�5-.�6�78���9

:�-4&�5� ;$&<=�8��*+�,-.>

1) � �f

x f�

2) � �

2

2

f

x f�

3)f

x

4)� �x f

x

��

104. Angle of a prism is 300 and its refractive index is 2 and one of the surface is silvered. The

angle of incidence a ray should be incident on one surface so that after reflection from thesilvered surface, it retraces its path is

30°���6D�����I"$�� !���6D��"$��=$��>�"8�JK5L"��� �I��"$� 2 <����3����� �!"$�M�N�O=������PQ$�O��������R<

�2����4I"$�S� ����I"$ ��O�T��� �!"$U�E��� ��"�$�@�O=������PQ$�O��������� �!U�E���("H�"$��=�R�#V� TW�"XY"$���Z��&�#������<

1) 30° 2) 60° 3) 45° 4) 1sin 3/2−

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105. A compound microscope has an objective of focal length 2 cm and an eye–piece of focal length6.25 cm which are separated by 15 cm. If the final image is formed at the least distance ofdistinct vision 25 cm, distance of the object from the objective is

����������������� ��������������������������������� !��2 cm ������"#���������������� !� 6.25 cm.

$�%&���������� !��15 cm. ��'�#(�)*�+����,-�.���/-0.����-�.���� !��25 cm ���1�2 !,34�"��������������5��34��������� !�

1) 2 cm 2) 1.5 cm 3) 2.5 cm 4) 4 cm

106. In an ideal double slit experiment when a glass plate (refractive index 1.5) of thickness t is

introduced in the path of one of the interfering beams, the intensity at the position where the

central maximum occurred previously remains unchanged. The minimum thickness of the

glass plate is:

�������67�'89:�;�#(����6<�=>�������;�)�(�?�@�� !A�=>�'t' ��������6<B�6;C�(�B���D�EFGHI�5��J�K5(�?3L�M�����5N�O��#P���6<�-�.�Q#���RST5�����1��;�)�Q#����� !U�V�3W�J�3L��U�V�6;C�(�B��U�V��;�B�05���X���������YB��

1) 2λ 2)2

3

λ3)

3

λ4) λ

107. Statement (A) : A point charge is moving with constant speed in an electric field at right angles

to the line of force. It does not experience any coulomb force.

��������� (A) : �� ����������������������������������������������� �!����"#$%&�'()�*��+,��-

���.�/�0��������1"2��345�6�78���90� �!�/�:;��������4��.��8%<���2

Statement (B) : Two hallow spherical conductors are charged positive and they acquire equal

charges. When they are connected by a wire charge may flow from smaller to bigger conduc-

tor,

����������(B) : =��>?��+,��@�+-AB�����C�DE��#$��FG�E��+H���'(DE�*�2��E90� ��#$�����'��/���2�I904

��J+,�-��K�(���L>?���������� ��#$���M�1�N4����M�5���O��N40�PQ�L��2

1) Only A is true A ��#�$"���@� 2) Only B is true B ��#�$"���@�

3) Both A & B are true A & B B��Z �3L���@�

4) Both A & B are false A & B B��Z �3L���(�[

108. A parallel plate capacitor is filled with a dielectric whose dielectric constant is 5 and has a

dielectric strength of V/m1020 6�

. If the capacitance of this capacitor is F108.0 2�

−× and it

could withstand a potential difference of 5000V, the minimum plate area of the capacitor is

5 \�������0T �����M� V/m1020 6� \��������� 8��6<B� \�������\������� !�(�B��B� Z�]S�0� ��������_`a�

��b(5�G�c�Z�]S�0� �Z�]S�0%&� F108.0 2�

−× ������d'����.�\6<:O6�ef�����g�����5000V. Z�]S�0� ������(�B������������-�.�$�heiB��

1) 0.45 m2 2) 0.62 m2 3) 0.54 m2 4) 0.24 m2

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109. Three bulbs rated 220V – 100W, 220V – 60W, 220V – 40W are connected in series across asupply of 220V. If P1, P2 and P3 are respectively the power consumed by them, then

���������������� ���220V�– 100W, 220V – 60W, 220V – 40W ������������������220V������� � !"#$�%&���'()��*� ����� ���P1, P2����+,��P3����-.�/��0�12�3��4)���56%78�-9 :���1) P1 > P2 > P3 2) P1 < P2 < P33) P1 = P2=P3 4) P2 > P3 > P1

110. In an experiment to determine the internal resistance of a cell with potentiometer, the balancing length is 165 cm. When a resistance of 5 ohm is joined in parallel with the cell thebalancing length is 150 cm. The internal resistance of cell is����������� ��������������������������� !"�#�����$�� !"�%&'�(�� �)���*"���+,-�.(/#�/0��1234������56��7�(�8"� ���9�5 ohm ���������(�:�;(<�(�� �)���*"���+-=�.(/#����>��������� ��������*1) 2.2 Ohm 2) 0.5 Ohm 3) 3.3 Ohm 4) 1.1 Ohm

111. A straight wire of mass 200gm and length 1.5m carries a current of 2A. It is suspended in midair by a uniform horizontal magnetic field 'B'. Then the magnitude of B is

��������� ��� ������������� �������� !"�� 2A #����$% �&'��(')* �+,-�./' 0*$1�23+45�671�89:*$1;+-�$1*'B' <=���<=��><)���?1�71@� A'B' 7B@+4:&'C 0D*

1) 0.55T 2) 0.65T 3) 1.5T 4) 2T

112. A galvanometer gives full scale deflection for current Ig .When a shunt ’ ’x is connected itconverts into Ammeter of range 0 2I− and when shunt ’ ’y is connected it converts into Am-meter of range 0 3I− .Ratio of x and y is

�����9)?�@#������%�3A� Ig B�*�C�D���$��8EF6���G�;(<���HI<����8��<�8>�J��234���/��9)?�@#����K�L’ ’x � �����*8>��� M�5NG�(F���134�� 0 2I− � �8:���OP�� �#�Q����9� 8"�����/ ’ ’y � �����*8>��M�5NG�(F���134��0 3I− ��8:����OP���#�Q����9�8"��������>� x R y ������*8>)��M�2S<

1)3I Ig

I Ig

−− 2)

2

3 2

I Ig

I Ig

⎛ ⎞−⎜ ⎟−⎝ ⎠

3)2

3

I Ig

I Ig

−− 4)

3

2

I Ig

I Ig

−−

113. Assertion (A) : Diamagnetic substances are repelled by a magnet

;<=>����6/6� (A) : ��+,?�-+,�4)@��,�9 ;A�B���-+,�4)@��,�12�.���C�9 ������*

Reason (R) : When diamagnetic subtances are kept in a magnetic field a resultent magneticmoment is induced in a direction opposite to the field.

���$��6/6� (R) : ��+,?� -+,�4)@��,� 9 ;A�B���� -+,�4)@��,D�E!�,�%&� �F���9 :���G-+,�4)@��,D�E!������ �6HD��� I"J%&�9K '�,�-+,�4)@��,� !L<M������ !N9��,���F�,��I*

1) A and R are true and R is the correct explanation of A.

A��������R ������ ���������R�������A������������ �����

2) A and R are true and R is not the correct explanation of A.

A ������ R ������� ������� R ������A ���������������������

3) A is true, R is false. 4) A is false, R is true.

A �������� R ������������� A �������������� R �������

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114. An A.C. voltmeter reads 20 V across a resistor, 30 V across an inductor and 15 V across acapacitor in LCR series circuit.In this case the supply voltage will beLCR ����������� ��A.C. ������������������������������������20 V, �� ��!"������������������30V, #!$%&'��(����������������15 V &)*+�,�-�.�/�&)�����01�� ��� )2*3�+-�� 4�51) 100 V 2) 60 V 3) 50 V 4) 25 V

115. A plane electromagnetic wave of wave intensity 26W / m strikes a small mirror of area 240 cm ,held perpendicular to the approaching wave. The momentum transferred bythe wave to themirror each second will be������ 26 /w m ������ ��������������������������������������� !"#�����$%&�����'(��)!�*+,�-��.)/��%� �0%)/123�4�5��������������%�����'(��%6�7��)/8�����%�6�7�9:�*�;���������;���� ���1) 76.4 10 kg m / s�

� � 2) 84.8 10 kg m / s�

� �

3) 93.2 10 kg m / s�

� � 4) 101.6 10 kg m / s�

� �

116. The figure shows the variation of photo current with anode potential for a photo-sensitivesurface for three different radiations. Let Ia, Ib and Ic be the intensities and fa, fb and fc be thefrequencies for the curves a,b and c respectively

������������ ������������������� ����������������������� !"#���$%�$&��'()�*��+,-�$&.�'+/�.0()���a,b,c�1�������� Ia, Ib Ic ����21����������� fa, fb ������ fc�����34+,5���(1) f

a = f

b and a bI I�

2) fa = f

c and I

a = I

cc

b a

O

Photo current

Anode potential

3) fa = f

b and I

a = I

b

4) fb = f

c and I

b = I

c

117. The radius of second orbit of an electron in hydrogen atom is 02.11A .The de-Brogliewavelength associated with this electron in this orbit would be�<!=�2>?@A�*(��1%�����B��.C@A�� D����E��23������F��G�����H��I�JJ 0A �5�����FKLM�B��.C@A�>��*%��/��,NM�O�-2P%2QR�S=TU��������� !��V��� ���1)6.64A 2)1.058A 3)2.116A 4)13.28A

118. The percentage of quantity of a radioactive material that remains after 5 half lives will be6����7�89��!:������;<��9�3=-�>�?@2*��ABC!"� )�A��D���E��

1) 31% 2) 3.125% 3) 0.3% 4) 1%

119. Consider a p – n junction as a capacitor, formed with p and n – materials acting as thin metalelectrodes and delection layer width acting as seperation between them. Basing on this, as-sume that a n –p –n transistor is working as an amplifier in CE configuration. If C1 and C2are the base emitter and collector - emitter junction capacities then�/�9,�23� W2A�X�Y�Z��[�����D%��KL</=�)/����.�K\ ��[]���������D%��)/������,�����W����.�S,= �$���E�[��_`����.�)/MO;�% n –p –n��_=Ma�/C�b�c��d2P�c�Ne��� @G�%�KL����f����.�)/M�O;�/�g%)/h23�4�5�,N���c�Ne�����/�9,���i��D�j���i(�c�Ne������/��,���E�[��_k��C1

��i��D�C2�

*�D%1) C1 > C2 2) C1 < C2 3) C1 = C2 4) C1 = C2 = 0

%&'� � ��( ���� � %)' � ���� *� �� ���� ������ �� ���� ��� � �������� ����� �� ++' 2km− ,

��� �� �������� #�$���� �� �� ����� #���� ���� � ���� �!���� �� ���� ( )eR -.�'' ��

���lmn ?@A��/H�-�D�B���g�%)'�� �/H�-�D�O��oWC�c�2;�� !"#��D�� D����?%���������++' 2km− ��*�D%�5�/H�-�D�5�i�O���?@GS,=�pS,qW�G�����H�D ( )eR -.�'' ��

��� 34.5 10× ��� 62.5 10× ��� 64.6 10× ��� 52.5 10×

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CHEMISTRY

121. Consider the set of quantum numbers 3, 2, 0, –12

: Which set of quantum numbers represents

an electron with the same energy but different orientation in space as the electron representedabove

3, 2, 0, –12��������������������� ������������������������������������������ ��

!"#���$"%&��'�(��)*+���,-��.���/0�����1���� �2345,-�6����/0�7��5��75�8�1��9���

1) 3, 2, 0, + 1

22) 3, 1, 1, –

1

23) 3, 2, +1, –

1

24) 2, 1, + 1, +

1

2

122. Some statements are given below regarding photoelectric effect

��� ��4:��7;�"<=>7�����?=�@��A�B�C�����4:��D�E��������F/�@�8GHI

I) When the frequency of incident light is increased K.E. of photo electrons increases but nochange in the number of photo electrons

"=7����� � 2J�K"=L*���E� !"�B75� ��� '�(��)*+� K.E.� !"HM����7����N� ���� ��� � '�(��)*+�?=�����4:�

II)When the frequency of incident light is doubled K.E. of photo electrons is also exactly doubled

"=7����� �2J�K"=L*���E� OH����7���� �5P?.� ��� '�(��)*+� K.E.� ?= ��Q� OH����7��R7����

III)When the intensity of incident light is increased number of photo electrons increases butno change in the K.E. of photo electrons

"=7����� �S�/7�� !"�B75���� '�(��)*+� ?=��� !"HM����7����N�������T��K.E.������/0HM�&H�4:�

Then the correct statements are �HI��?= U$V���������

1) I, II only I, II �������

2) II, III only II, III �������

3) I, II and III I, II �� ���III �������

4) I, III only I, III �������

123. List - I "=T�)�6- I List - II "=T�)�6- II

Crystal system Axial and angular characteristics

?=& �T��6� /�/?=W ��X��,Y�N� �Z�[U������\A]����

1) Tetragonal �������7��^_`�[U�� a) a � b � c ��= ��= 90 ; ��� 90

2) Triclinic �������� �7��6X b) a � b � c ��� ��� ���90

3) Monoclinic �������6�7��6X c) a = b � c ��= ��= 90 ; ��= 120

4) Hexagonal a=T�`�[U�� d) a = b � c ��= ��= ��= 90

1) 1-d, 2-c, 3-b, 4-a 2) 1-d, 2-b, 3-a, 4-c 3) 1-d, 2-a, 3-b, 4-c 4) 1-b, 2-a, 3-c, 4-c

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124. Poling is used for refining of ����������� ����������������������1) Cu, Cd 2) Cu, Sn 3) Zn, Cd, Hg 4) Ag, Au

125. 1)

Cl

NaOH / H+

T1

OH

2)

ClNaOH / H+ OH

T2NO2 NO2

3)NaOH / H+

T3

ClNO2

NO2

OH

NO2

NO2

4)NaOH / H+

ClNO2

NO2

OH

NO2

NO2

NO2

T4

NO2

The relation among temperature !�"#�$%���� ��&�'(�)� ������*+�1) T1 > T2 > T3 > T4 2) T1 > T4 > T3 > T2

3) T1 > T2 > T4 > T3 4) T4 > T3 > T2 > T1

126. The formal charge on 3 oxygen atoms of ozone are

,-�./��0�12����34567./�8��91:;�1<��=����>?�9@�A�3B� C���1�9�D��E1) -1, +1, 0 2) -1, +1, +1 3) 0, 0, 0 4) +1, +1, +1

127. 31 grams of a hydrated sodium carborate Na2CO3.xH2O on heating loses a weight of 4.5 gms.Then the value of ‘X’ is

FG� #�E1H�� 3I�9J� K��L����� 4E�MN.�OA� Na2CO3.xH2O )�� B��L������E� PQR#�E1H�� ��9�1<)�4S��T�H)�Q�U�H)�‘X’�V��1�W�%��X1) 10 2) 2 3) 5 4) 1

128. At 270C the ratio of RMS velocities of He and CH4 is

270C 1�+Y�He 1�&��H�CH4 ��RMS B��E��0Z�T[\1) 2 : 3 2) 4 : 1 3) 3 : 2 4) 2 : 1

129. Which is an artificial sweetener ]�#45���B�O5���^��4_`#[1��a8b4E�94_�

1) Alitame ����� 2) Bithional ��� ����

3) Luminal � ������� 4) Omeprazole �����������

130. Some statements regarding [Ni(CN)4]–2 are given below

[Ni(CN)4]–2 c_d�������*�e�4M0f�B�ghg��� #45��+�i1��L)V

A) Ni+2 undergoes dsp2 hybridisation Ni+2 dsp2 ���4_j4_�9;���� �?�kl)�)�

B) It is a square planar complex iV���1�%�����%���9#������mnZ�o1H

C) It is a paramagnetic complex i���?���U���K?p�[4_����mnZ�o1H

D) It is low spin complex i��U�T#q*r1�;����mnZ�o1H

Correct statements are ��&�'(�)�B�ghg��sV�X

1) All the above ����� �!"#2) A, B & C 3) A, C & D 4) A, B & D

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131. In which of the following conversion PCl5 is not used as a reagent ?

����������� �������PCl5 �������������������������

1) (C2H5)O → C2H5Cl 2) CH3 CHO → CCl3 CHO

3) (CH3)2 CO → (CH3)2 CCl2 4) CH3 COOH → CH3 COCl

132. Which of the following is more reactive towards SN1 reaction ?

������������SN1 ��� ���!�"������ #$%����$������

1) 3CH Cl 2) ( )3 2CH CHCl 3) 3 2CH CH Cl 4) ( )3 3

CH CCl

133. 3 3 2�

� �����NaOH, CH CHO CH CH CHO . Which one of the following compounds is not the product

in the above reaction

3 3 2�

� �����NaOH, CH CHO CH CH CHO &� '� ������ ()�*�+,-.�$��� ��� /01�� ��� ��� �� 23�

�����4� �5

1) 3CH CH CHCHO� 2) 3 2 2CH CH CH CHCH CHO�

3) � �3 3CH CH C CH CHO� 4) 3 2CH CH CH CHCHO�

134. A buffer is prepared by mixing 1N of 25ml CH3COOH and 5N of 50ml CH3COONa solution,

if the pKa of CH3COOH is 4.8, then the pH of the buffer is

678�&9&$�1N CH3COOH ���7:&8�&9$�5N CH3COONa �;�<���=>?�@���A>B)C���D�E�5��%�������*FG��&CH3COONa ��5��H�pKa 8$���I&J�!5%*�K�A>B)C���D�E� pH�8$��

1) 4.8 2) 3.8 3) 4.3 4) 5.8

135. At 270 Kp value for the reversible reaction PCl5(g) ������PCl3(g) + Cl2(g) is 0.672. Then its Kc

value is

270 ���L� PCl5(��) ������

PCl3(��)+ Cl2(��)

���� ;�<� Kp �8$���:&MN6&�!5���D�� Kc 8$��O�%���

1) 1.5 M 2) 0.0273 M 3) 3.2 M 4) 0.6 M

136. The final product formed when silica reacts with HF is

(?=��PHF %Q���� .R������0������� 23���%� �S������

1) SiF4 2) H2SiF6 3) H2SiF4 4) H2SiO3

137. Assertion (A) : 1 - Butyne gives red precipitate with ammonical cuprous chloride, but not 2

- Butyne.

!��+����T� ;�U �>)(V� �QWXY2Z%Q� [\A� ]^_.Z� O���� !�`�a���5��� /������P� ���6\A� ]^_.Z���� �.R������&

Reason (R) : Hydrogen atom attached to more electronegative ‘sp’ hybridised

carbon is acidic.

!�"��� A��E� 8��� �D%�+��%�� ��=��� ‘sp’ �����b���E���� cd�ef��� ���g.Z%QA��"�>)A2h��5�S� ijYk�2Q4.Z;�<� K��W��lm"k��� !�"���

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1) Both A and R are true, and R is the correct explanation of A

A��������R��������� ������������R�������A��������������������2) Both A and R are true, and R is not the correct explanation of A

A��������R �������� ���������R�������A������������������������3) A is true but R is false A������������ � ����!��R������ �������4) A is false but R is true A������������ �����������!�R������ ��

138. Terylene is obtained by adding ethylene glycol and

������� ��� ������ ����� ����"� � ������� ����� �!�� "1) Benzoic acid #$%&'���(�)��*%

2) Benzene – 1, 2 – dicarboxylic acid #$%+,-./�0.123����45�678�(�)��*%

3) Benzene – 1, 4 – dicarboxylic acid #$%+,-./�9.123����45�678�(�)��*%

4) Salicylic acid :;8�<8�(�)��*%

139. Assertion (A) : A blue colour is obtained when a copper wire is immersed in AgNO3 solu-

tion.

AgNO3 #�$%&'�(� Cu )*!�� %+',!� -� #�$%&'!���� .�� %��/'� %01�2!�

Reason (R) : Silver reduces Cu+2 to copper.

Cu+2!�� � 34�5 6� 78�9�5� ��:;1�����&'� 0�;1<!�=

1) Both A and R are true, and R is correct explanation of A

A��������R��������� ������������R�������A��������������������

2) Both A and R are true, and R is not the correct explanation of A

A��������R �������� ���������R�������A������������������������

3) A is true but R is false ����A������������ � ����!��R������ �������

4) A is false but R is true A������������ �����������!�R������ ��

140. Which of the following is the condition for a spontaneous reaction at high temperature but

non spontaneous at low temperature ?

#�>'����"��78?@1���(�A�B���CDE/#*@1�%�FG�01��H�-;1�)I��J@1'�A*�!��%��;1<�A���CDE/#*@1�%�FG01��H� -;1�)I��J@1'� � �F�� "

ΔH ΔS ΔH ΔS

1) – – 2) + +

3) + – 4) – +

141. Tailing of mercury is due to the formation of

KL�F��74'� M� #�>'�� 34�$��?%<� ����� N'� %�!� O!���� A'N��P!�!�1) HgCl2 2) Hg2Cl2 3) Hg2O 4) Hg2CO3

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��3� 4������� �� ���� ���������������������������������������������(� �)/ (� �)//

����1�.�"2��� �

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#��1�.�"2��� �

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����1�.�"2��� �

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6���11�.�"2��� �

�$$�� �����������%�"

�����21�7�89:.� �'$�,�-. �

� # � 6 � # � 6

�� � � � � � � �

�� � � � �� � � �

��5� /������#���� ��������� ����� �� ���� ������ !"�#�$��%&��������'�(��)*""��+��%,��������� !"�#�$��%&��������'�(��)*""��+��%,��������� !"�#�$��%&��������'�(��)*""��+��%,��������� !"�#�$��%&��������'�(��)*""��+��%,��������� !"�#�$��%&��������'�(��)*""��+��%,���

�� CO HCl+ + 32 2

Anhydrous AlClCu Cl

⎯⎯⎯⎯⎯⎯→ ��������&���;&�����&0)���������+"��-.���/

CO HCl+ + ��������3

2 2

AlClCu Cl

⎯⎯⎯⎯⎯→

���

3CH

) /2 2 2) 3

i CrO Cl CS

ii H O+⎯⎯ ⎯⎯ ⎯⎯→ ���

CHO

��<)&�(���&0)������01���2�.���/

/��

2N Cl+ −

2 2Cu ClHCl

⎯⎯⎯⎯→ ������

Cl

����&�('�%�����&0)������ 34��5 6�7�����.���/

0��

CHO

NaOH⎯⎯⎯→ �

COONa

+

2CH OH

����&))���'&��=>�0*���&0)���� %&8��� 6�95��-�:

.���/3��>�"�����&0)��� �-��;<�.���/

� * + 6 � * + 6

�� � � � � � � �

�� � � � �� � � �

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��7� 1/ 2 |2 1.36oCl ClE V− = + ���� ����������� ��! ������ �.��+�

������ |+������4��

1/ 2 |2 1.36oCl ClE V− = + �

� � � �( ) ( )-2Pt,Cl 1 | Cl 0.1M �������������� ��������������

����1�'�2�3 ���4�'�2�3 ���4�'���3 ���1�'&��3

���� ������ � 2 2H N CH C NH CH C NH CH COOH− − − − − − − −

CH3 CH3

O O

���

2 2H N CH C NH CH C NH CH COOH− − − − − − − −

CH3 CH3

O O

�������������

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���"&�%"��"%0%"�&"&���� ������������� ����������

����"&�%"�&"&������"%0��� ��������������������� ��

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��� 3 3sp s sp− − ���� � '()*+�'()*+�'()*+�'()*+�'()*+� ���� 3 3sp sp− ���� � '()*+�'()*+�'()*+�'()*+�'()*+�

����� 3sp s− ��� � '()*+�'()*+�'()*+�'()*+�'()*+� �3� 2 2sp s sp− − ��� � �'()*+��'()*+��'()*+��'()*+��'()*+�

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154. In the zero order reaction time taken for the completion of 3/4th of the reaction is ............

times that of half life

������������ ������� ���� ����������� ������������� �!"�� #$%� ��&'(�)*� ��+&,� -%,� .���/�01���� 2

1) 1.5 2) 2 3) 3 4) 2.5

155. Correct statement in the following is ��3�0� 4&%������(56��� 4&�7�� 80� 2

1) Physical adsorption depends on the adsorbate as well as adsorbent.

������ ����������� ��������������� ��������������� !"�#�$%�&�'���(�)�*

2) In the preparation of NH3 from N2 and H2, H2S functions as poison for iron catalyst.

N2�������H2)�����NH3����+,-��.�'/0�12�34�'56!�H2S 7����%&�'8�95���6:3���)�*

3) Starch colloidal solution is a lyophobic sol.

;<=�>?�@-AB���(-C�D%&�����E�D%F�7�G ��;<-C*

4) Haemoglobin is a negatively charged sol.

HIAJK+9GBL/0�E�M���A��N�$J3�O��P�;<-C*

���� Aquaregia is the mixture of

9�!:;<(�� ����0� #=%� >�����)

���������@�0��02� 3HNO �&�(�0��02�Hcl 1:3 95��( 3HNO ��������95��(�Hcl

��������@�0��02�Hcl �&�(�0��02� 3HNO 1:3 95��(�Hcl ���������95��(� 3HNO

���������@�0��02� 2 4H SO �&�(�0��02� 3HNO 1:3 95��(� 2 4H SO ���������95�1?� 3HNO

��������@�0��02� 2 4H SO �&�(�0��02�Hcl 1:3 95��(� 2 4H SO ���������95��(� Hcl

157. The Alkali metal carbonate on heating gives its oxide and 2CO is

@� ��3�0� 4&%��� 8� �A!����BCD� �!��E+=FG� ��� 4=HI� =JK�� >LMC����+N�0� #$%� 9.�O PHQ��� ��(�)

2Co � ��� 8��R�� ����1) 2 3Na Co 2) 2 3CS CO 3) 2 3Rb CO 4) 2 3Li CO

158. The following set of matching is incorrect for depletion of Ozone layer

ST�+Q� UV��� �����W#X"� 5�#XH?���� @� ��3�#X� Y:ZHI�� 8� JC>�[� (5)��\� ��]���R� JC�(56��0� �!#X�

1) In summer – ClO + NO ClONO2

J3��7-�

2) In winter – ClONO2 + H2O HOCl + HNO3

Q�R5P�-�

3) In Spring – HOCl OH + Cl

������5P�-�

4) In Rainy season – CH2 = CH2 + O2⎯⎯→ CH3CHO

��RS5P�-�

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�����

159. Assertion (A) : Helium is mixed with oxygen and used by deep sea divers.

��������� (A) : �� ��������������������� �!"�#$%&����"��'(���)*"�"+�,-)./0�)./012�'(� ��3456�).�

7��)*4�86�9:;�3<=,->/0�?

Reason (R) : Helium is less soluble than nitrogen at high pressure.

�*/0@�A (R) : BC��D�:$��"�����E�#$%&������3F�G(�����D��+�/0�D>�'(���HDIJ�)*��D/0�).�����C?

1) A and R are true and R is the correct explanation of A.

A ������ R ������� ������� R ������A ����������������

2) A and R are true and R is not the correct explanation of A.

A ������ R ������� ������� R ������A ���������������������

3) A is true, R is false. A �������� R �������������

4) A is false, R is true. A �������������� R �������

160. The metal not present in German silver is

������� ����� ���������������������������1) Cu 2) Zn 3) Sn 4) Ni

BOTANY

1. Which one of the following group belongs to ascomycetes ?

1) Saccharomyces, Truffles, Claviceps, Aspergillus

2) Yeast, Penicillium, Alternaria, Ustilago

3) Puccinia, Ustilago, Polyporus, Lycoperdon

4) Colletotrichum, Trichoderma, Albugo, Puccinia

������������ �������������������������� !"�#�$%&�'�()*+,���-���.��?

���������� � ������������������ ������ �� !"� �

#��$ �%����& �'()�*���"%+�, ()-��(). �%�/0�

1�����2�&()-��(). �%�/0���34'35�6 ����78�����9:;<

=�����7�>��?7��<����?7�@AB�9C���"�D0������2�&()-

2. From which of the following algae, agar is commercially extracted ?

A) Gracillaria B) Fucus C) Sargassum D) Gelidium E) Laminaria

��������/�0123.�456��7�����&!��.��23��8�9:;�()�*<�=;���>?�-�12&�@.�A�*+23B�='�C,D�-&�ED()��?

A)��0� ��E ()- B)����FG�H �������C)� ��9I �<� D)�J7'BK()�* E)��/��;L ()-

1) C,E 2) A, C 3) A ,D 4) B,D

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Ø 2 ×

EAMCET GRAND TESTAGRICULTURAL AND MEDICAL

HINTS AND SOLUTIONSPHYSICS

81. 4

82.

2 22

2 22

3 2 2 3 2 cos 1

4 6 2 2 6 2 cos 2

R P P P P

R P P P P

R

R

� � � s � � � � �

� � � s � � � � �

(1) and (2) 01

cos 1202

R R�

� �

(1) =°i�Çò (2) � #°O_�

01cos 120

2R R

� �

83.21

38

Y x x� �

compare with 22 2tan

2 cos

gy x x

uR

R� �

213

8Y x x� � #°

22 2tan

2 cos

gy x x

uR

R� �

`Ë �é�óQê

1tan 3 tan 3R R�

� � �

2 2 2

1 10 10 120 /

2 cos 8 2 1 8

gu m s

u uR

s

� � � � �

s

84.

02 1

1 2

sin 30m g m gunbalcned forcea

total mass m m

� �

a = �¦¬e Ç |�=ò / "³ò ÇëO ã Î=¼~�t

2160 40 2 4 /

10m s

� s

� �

85. For pushing force with vertical .

x�°=ô Ç�O Ì�á `Ë�¬ô_È° |�O

s in c o s

m gF

N

G N G�

F

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Ø 3 ×

for the body to move F must be positive sin cos 0G N G� �

=�¬°ë=ô H�^Î�\ìxH÷ F q�°= �Î# ÇàH�=ò Hê=�ÿ#°

sin cos tanG N G G N� � �

t a n t a nG B G B� � � (angle of friction)

86. Perfectly Inelastic , In elastic , Elastic �¬i�¬î~¡â J�²Öu ª�Ö�¬H�, J�²Öuª���¬H�, �²Öuª���¬H�,

e=0; 0<e<1; e=1

87. Efficiency 100in

P out

PI � s

ÎH�Æ Ç

100in

P out

PI � s

3

3

9 10 10 105 60100 100 30%

10 10in

mgh

tP

I

s s s

s

� s � s �

s

88.

2 80

40 2

a

a

8kg 2kg

2kg 4kg

(x1,y1)

(x2,y2)

(x3,y3)

(x4,y4)

X

Y

1 1 2 2 3 3 4 4.

1 2 3 4

;C M

m x m x m x m xX

m m m m

� � �

� � �

1 1 2 2 3 3 4 4.

1 2 3 4C M

m y m y m y m yY

m m m m

� � �

� � �

. ., 15 2,15 2C M C MX Y �

Distance from origin = 2 2. . 30C M C Mx y cm� �

=ü� aO ΰ=ô #°O_� ζ~¡=ò = 2 2. . 30C M C Mx y cm� �

89. IU B�

20

tan

cos302 3

Force bar dis ce I

mllmg

B

B

s ? �

s � s

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Ø 4 ×

|�=ò × �O| ζ~¡=ò Iα=

3 3.

4

g

lB

¥ ´� �

¦ µ§ ¶

l/2

300

mg

90. The height from the bottom where tension becomes zero is

2

3

u grh

g

� 4 5 5

3 3 3

gr gr r L

g

� �

ãH÷Ok #°O_� Ç#¼ Ç �× #¼=°�Í°¼ Z Ç°ë

2

3

u grh

g

� 4 5 5

3 3 3

gr gr r L

g

� �

91. Angular Momentum oL mV r�

HË}©�Ç° ã^Î=¼"ÍQ®=ò oL mV r�

20 0 0

0 0

GM GML m R m R m GMR

R R� s � s �

92. Potential energy 2 2 2 2 21 1 sin2 2m y m A tX X X� �

�²Öu[ �×H÷ë

2 2 2 2 21 1 sin2 2m y m A tX X X� �

2. sinP E tXt

2 22 3 2sin ; sin 0;

6 4 2

T T

T T

Q Q¥ ´ ¥ ´s � s �¦ µ ¦ µ

§ ¶ § ¶

2 2 3sin 1

4

T

T

Q¥ ´s � �¦ µ

§ ¶

potential energy order is b,a,c ( increasing order)

�²Öu[ �×H÷ë P~Ë�¬ì} ãH�=°=ò b,a,c

93. Workdone in stretching the wire is converted into potenital energy W JQ�

fQ®#° ª�Q®n�Ç°@O�Õ [iy# �¬x H÷Æu[ �×H÷ëQê =¶~¡° Ç°Ok W JQ�

12 Fe Jms R� %

1 4202 s3 810 8 10 1 10 4 5000 420� �

s s s � s s s s Rs %

20

4

4 10200

2 10CR

s

% � �

s

94.4

excess

TP

r�

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Ø 5 ×

95. Momentum 2

34 293

r gP mv r

S TQ S

I

� � s

Momentum 5P rB

ö~v�Ç° ã^Î=¼"ÍQ®O 2

34 293

r gP mv r

S TQ S

I

� � s

ö~v�Ç° ã^Î=¼"ÍQ®O 5P rB5

2 22

1 1

32P r

P PP r

¥ ´� � �¦ µ§ ¶

96. 2I

tI

B

%

� %

L I constX� �

1 2I

tI

X X

B

X X

% % %

� � � � � %

tX XC X X% � � % � % t

97. 0

05050

31

5C

in B

C l

V d

V d¥ ´

� � � � � � � �¦ µ§ ¶

0

0100100

42

5C

in B

C l

V d

V d¥ ´

� � � � � � � �¦ µ§ ¶

0 0

0

100 100

10050

1 3

2 4 1 100 50l C C

Rl C

d d

d d r� � �

¨ � s � ·ª ¹

03 1 1/

4 1 50 150RR

r Cr

� � �

98. 4 40

1d eA dT T rdt ms dt

R T R� � � t

`ùe L�éâãQ® Ç ÇQ®°¾ Î� ö~@° 1 3:1rt �

Initial rates of fall of temp 1 3:1rt �

99. Internal energy is a function of temperature B A B AU f T T T U U� � � �'

JO`Ç~¡¾`Ç �×H÷ë L�éâãQ®`Ç ã�¬"Í°�Ç°=ò B A B AU f T T T U U� � � �'

100. . .

3 1R M S

RTV V

MM� t

2

2

42 :1

2e

H He

H H

V M

V M� � �

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Ø 6 ×

101.T

Adν = O Mt

22 :1

2

A A B B B

B B A B

T A T AAT A T

λλ

= = =B

102. Beat Frequency = 1 2n n−

q�¬æO Î# �Ï#:�¬ô#¼O = 1 2n n−

( ) 22 2( ) 2 2

l x l x

l l x l l x l

ν ν ν ν + −= − = = + +

103. Mirror formula 1 1 1

v uf= +

^Î~¡æ} �¦�~¡°à�ì 1 1 1

v uf= +

Differentiating on both sides 2 22 V u

df dv duf

− −= −

W~¡°"³á�¬ô�ì J=H��#=ò KÍ�Ç°Qê 2 22 V u

df dv duf

− −= −

O =

2

2 2

vdv du

v u u

dv du − ⇒ = − −

dv =

2v

lu

− ------ (1)

1 1 1

f v u= + ⇒ Multiply with u on both side

1 1 1

f v u= + ⇒ ï~O_È° "³á�¬ô�ì u `Ë Q®°}÷OKÇQê

1 1u u u u u x f v f

f v v f v f u x f

−= + ⇒ = − ⇒ = ⇒ = − ------- (2)

substitute (2) in (1) (2) =°i�Çò (1) � #°O_�

( )

22 2

2

v f lfl

u x f x fdv l = = − −

=

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Ø 7 ×

104. Retraces it�s path. light ray incident normally on 2nd face.

ï~O_È= Ç�=òÌ�á �O|OQê �¬_�# HêOu H÷~¡}O J Í =¶~¡¾O�Õ "³#°kiy ã�¬�Ƕ}÷OKÇ°#°

2 0r = A= 1 2 130 0or r r+ ⇒ = +

1 30or =

Apply snells law at 1st face 1 1sin1 rSini µ=

1 1

1 12 45

2 2oSini i= = ⇒ =

105. 4 1 11 1 125 25e e e e

f v u u−= ⇒ = − −

5eu = −⇒ 15o euv + = cm

ov = 10 cm.

00 0 0 0

1 1 11 1 1 2.52 10

u cmf v u u−= ⇒ = − ⇒ = −

106. Shift ( 1)tβ µ βλ

− ==

qª�ë�¬#O

( 1)tβ µ βλ

− ==

t ( ) ( ) 21 1.5 1

λ λ λµ

= = =− −

107. A) F= Eq force acts on charge

A) F= Eq P"Í�×=òÌ�á �¬xK³À� |�O

B) 0

14

V π= ∈ 1Vr

qr ⇒ ∝

P"Í�×=ò Z�Á�¬C_È° Jk�H� �Ú\xÂ�Ç°�� #°O_� J�æ�Ú@xÂ�Ç°�� ä�½ ã�¬=�²ì�¬°ëOk.

Charge always flows from higher potential to Lower potential.

108. v = Ed

65000 20 10 d3 �

34

7

5 10 5 1022 10

Xd X

X−⇒ = =

C =

128

4

5 8.85 108 10

2.5 10oK A

d

[#

#

#

7 � � �³ � 3

A = 0.45 2m

109. In series combination 2P i R= P R∞ã�õ}÷ �¬O �¥#=ò�Õ

2P i R= P R∞Higher resistance bulb ie, Lower wattage bulb consumes more power.

Jk�H� x~Ë �Î=ò|�°Ä Zä�½ø= ª�=°~¡�¼=ò#° qx�³¶yOKÇ°#°.

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Ø 8 ×

110. Internal resistance 1 2

2

l lr R

l

» Ë#¼ Ì3 ¼ ̽ Í

JO`Ç~¡¾`Ç x~Ë^�Î=ò 1 2

2

l lr R

l

» Ë#¼ Ì3 ¼ ̽ Í

165 150 5 155 0.5

150 150

Xr ohm

» Ë#¼ Ì3 3 3¼ ̽ Í

111. mg Biln� l

0.2 9.8 2 1.5

0.65

B

B T

s � s s

� �

112. 1g

gg

GiGS

i i ii

3 3##

;2 3

g g

g g

Gi Gix y

i i i i3 3

# #

3 3

2 2g g g

g g g

Gi i i i ix

y i i Gi i i

» Ë# #¼ Ì3 � 3 ¼ Ì# #½ Í

113. Properties of Diamagnetic materials _È�ǶJ�Ƕª�øO Ç �¬ ¥~¡� �Î~¡à=°=ò�°.

114. � �22 2

R L CV V V V3 ! #

2 2 2 22 20 30 15 20 15V � � � � �

2 400 225 625 25V V V3 ! ³ 3 3

115. The momentum transfered by the wave to the mirror

Î~¡æ}=ò#ä�½ |kb J~ò# Ç~¡OQ®=ò �³òH�ø ö~v�Ç° ã Î=¼"ÍQ®=ò.

4

8

11 4

2 2 6 40 10

3 10

1.6 10 / 6 40 10

U UI

C A

kg m s U IA

#

# #

� � �3 3 3

3 � # 3 3 � �

116. Stopping potential is same for a and b . So a bf f� saturation current is different for a and b. So

a =°i�Çòb �ä�½ J=~Ë �Î�×H�à=ò �¬=¶#O Hê|\÷� a =°i�Çòb �ä�½ �¬O Ç$�¬ë H�ï~O\��° "Í~¡° "Í~¡°

a bI Ix

117.2

h nhmvr

mvM

Q

� �

hM �

2 r

n h

Qs

2

nhmv

rQ�

2M �

203.14 2.11 6.64r AQs � s �

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Ø 9 ×

118. 50

1 1100 100 100 3.125%

2 2n

N

N� 3 � 3 � 3

119. Base emitter is forward biased

collector emitter is reverse biased

P^�¥~¡ÐL^�¥É~¡=ò �¬ô~Ë�×H�à=ò Ì�H�s}÷ L^�¥É~¡=ò u~Ë�×H�à=ò

0 1AC C dd

� t

d is less for forward biased so C1 > C

2

�¬ô~Ë�×H�à=ò#ä�½ d q�°= Çä�½ø= C1 > C

2

120. Population covered = Area covered x population density

J=iOKÇ° [<���ì = "³á�§�¼=ò x [# ª�Oã Î Ç

2

2 e

r d

R h d

Q

Q

� s

� s s

=

3

6

3.14 2 6400 10 150 770

10

s s s s s64.6 10� s

CHEMISTRY 121. (3)

122 (4)

123. (2) Crystal system Axial and angular characreristics

1) Tetragonal 0; 90a b c α β γ= ≠ = = =

2) Triclinic 0; 90a b c α β γ≠ ≠ ≠ ≠ ≠

3) Monoclinic 0 0; 90 ; 90a b c α γ β≠ ≠ = = =

4) hercagonal 0 0; 90 ; 120a b c α β γ= ≠ = = =

�¬æ\÷H� =¼=�¬Ö JH�ÆO+¬, HË}÷�Ç° �¬Þ��ì���°

1) KÇ`Ç°�é}©�Ç°

0; 90a b c α β γ= ≠ = = =

2) ãu#`�H�Æ

0; 90a b c α β γ≠ ≠ ≠ ≠ ≠

3) UH�`�H�Æ

0 0; 90 ; 90a b c α γ β≠ ≠ = = =

4) +¬\Õø}©�Ç°

0 0; 90 ; 120a b c α β γ= ≠ = = =124 (2)

125 (1) As number of EWG groups increases rate of nucleophilic substituiton increases and temperature

required is less.

I− �¬=ü�¬ð� �¬OY¼ Ì�iöQ Hù�k #¶¼H÷Á�³¶�¦²eH± ã�¬uöHÆ�¬} KÇ~¡¼ ö~@° Ì�~¡°Q®°#° H�#°H�

Hê=��²# L�éâãQ®`Ç `ÇQ®°¾#°.

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Ø 10 ×

126 (1) Foramal charge (Q) = ( No. of valence e− in free atom)

( No. of unshared e− on the atom)

( No. of bonds around the atom)

�¦�~¡à�� P"Í�×=ò (`Ç@�¬Ö �¬~¡=¶}°=ô �³òH�ø "Í�h� e �¬OY¼)Ð

(�¬~¡=¶}°=ôÌ�á L#ß |O^�ÎQ®`ÇO Hêx e �¬OY¼) Ð

(�¬~¡=¶}°=ô KÇ°@°� L#ß |O^�¥� �¬OY¼)

127. (4) 26.5 gm 2 3Na CO contains 4.5 gm 2H O

26.5 ãQê.� 2 3Na CO ãQê.� 4.5 gm 2H O #° H�ey=ô#ßk

106gm∴ 2 3Na CO contains 106 4.5

1826.5

gm×= =

Hence 1n =26.5 ãQê.� 2 3Na CO 4.5 ãQê.� 2H O #° H�ey=ô#ßk 106 ãQê.� 2 3Na CO H�ey=ô#ß 2H O

��ì~¡=ò 106 4.5

1826.5

gm×= =

ãQê J~ò# J}°=ô� �¬OY¼ 1n =

128.(4)4

4 4

16 2;

4 1CHHe He

CH He CH

MC C

C M C= = =

129(1)

130(4) ( ) 2

4Ni CN

− is diamagnetic

( ) 2

4Ni CN

− _È�Ƕª�øO`Ç �¬OtÁ+¬�=ò

131(2) 5PCl is used to convert - OH to - Cl

OH− #° Cl− Qê =¶~¡°ó@ä�½ 5PCl #° L�¬�³¶yª�ë~¡°

132(4) The correct order of 1SN reactions is 33 2 1o o o CH Cl> > >1SN KÇ~�¼j�`Ç ãH�=°=ò 33 2 1o o o CH Cl> > >

133(2) In the crossed Aldol condensation of 3CH CHO and 3 2CH CH CHO the product not formed is

3 2CH CH CH = 3 2CH CH CHO beacuse it is formed by the involvemnet of β − hydrogens of

3 2CH CH CHO

3 2 2CH CH CH CHCH CHO= U~¡æ_È^ΰ ZO^ΰH�#Qê 3 2CH CH CHO �Õ β − Ì�áìã_Ë[<£�° KÇ~¡¼

���ç¾x#q.

134. (4) logH Ka S SN VP P

NaVa = +

5 504.8 log

25 1

4.8 1

5.8

× = + × = +=

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Ø 11 ×

135. (2) ( ) n

p CK K RT∆=

( )10.672 0.082 300

0.0273C

C

K

K M

= ×∴ =

136(2)

137(1)

138(3) The monomers of terylene are ethylene glycol and Terepthalic acid (benzene -1, 4 -

dicarboxylicacid)

>ÿib<£ �³òH�ø "³¶<Ë=°~��° Wk�e<£ïQåÁHê�� =°i�Çò

>ÿï~^�¥eH± P=°Á=ò (�ÿOr<£ Ð1, 4Ð_³á Hê~�ÄH÷�eHê=°ÁO)

139. (3) 20

/Cu CuE + is lessel than

0

/As AgE + . Hence Cu can reduce Ag + ions but Ag can not reduce 2Cu+

ion in aqueous medium.

Cu H�Æ�Ç°H�~¡}O K³OkOKÇQ®�^ΰ. Hêh Ag , 2Cu+ J�Ƕ#Á#° H�Æ�Ç°H�~¡}O K³OkOKÇ�è ΰ.

140. (2) At high temperature for a spontaneous process ’H ve∆ = + and ’S ve∆ = +At temperature, for a non spontaneous process, ’H ve∆ = + and ’S ve∆ = +Jk�H� L�éâãQ®`Ç =^Îí KÇ~¡¼ J�Ç°�èßH�$`Ç �¬i�²Öu ’H ve∆ = + =°i�Çò ’S ve∆ = +J�æ L�éâãQ® Ç = Îí KÇ~¡¼ J�Ç° ÍßH�$ ÇO Hêx �¬i�²Öu ’H ve∆ = + =°i�Çò ’S ve∆ = +

141(3) 3 2 22Hg O Hg O O+ → +

142(2) The suddenjump takes place between 3IP and 4IP ∴the element belongs to III A group and its

oxide formula is 2 3X O = its molecular weight is 2x+48

3IP =°i�Çò 4IP =°^�μ Jk�H� =¼`�¼�¬O L#ßk H�#°H� =ü�H�=ò IIIA ãQ®¶�¬ô#ä�½ K³O^ΰ#°

=°i�Çò ^¥x PïHá �_£ �¦�~¡°à�ì 2 3X O H�#°H� ^¥x J}°��ì~¡O 2 48x + .

143(4)

144(4)

145(4) In a period from left to right acidic nature of oxides increases

�Ôi�Ç°_£�Õ Z_È=°#°Oz ä�½_�H÷ PïHá �_£� P=°Á �¬Þ��ì=O Ì�~¡°Q®°#°.

146.(1) The vander waal�s constant �b� is a measure of volume ocupied by the molecules.

"�O_È~� "��� �²Ö~�OH�=ò �b� J#°#k J}°=ô�° JãH�q°OKÇ° �¦¬°# �¬i=¶}ìxß

`³e�Ç°KÍ�Çò#°.

147(1) 10 Vol. 2 2H O = 3.03% w/v = 0.893 M = 1.786N

10 �¦¬°.�¬. 2 2 3.03% / 0.893 1.786H O W v M N= = =148(1)

149.(3) 1 12 22 2

0

/ /

0.06log

Cl Cl Cl ClE E Cl

n− −

− = −

( )10.061.36 log 10

11.42V

−= −

=150(3)

Page 54: Eamcet Grand Test Question Paper

www.eena

dupra

tibha

.net

Ø 12 ×

151(1)3 3sp s sp− − B-H-B bond is formed by overlapping B-H bond is formed by 3sp s− overlapping

152. (3)

0

0 soluteP P

XP

− =

0

0 soluteP P

XP

− = ã^¥q`ÇO

5

100 soluteX= 5

100 soluteX= ã^¥q`ÇO

7 14

1000.

solutem

Xm

mol wt g C H

3

! 14

1000.

solutem

Xm

mol ut g H

=+

U J}°��ì~¡O

1000

1005

1000100100

0.5

m

m

m

R 22

3

R 3

153(4) Amylose gives blue colour with iodine because it is soluble in water

Z"³°Ø�Õ*� h\÷�Õ H�~¡°Q®°#° H�#°H� J�³¶_�<£`Ë he~¡OQ®°xKÇ°ó#°.

154.(1) For zero order sreactions, ( ) ( )a a x

tk

− −=

�× #¼ ãH�=¶OH� KÇ~�¼ �¬g°H�~¡}O

( ) ( )a a xt

k

− −=

( ) ( )

( ) ( )

( )

1/2

3/4

3/4 1/2

/ 2

/ 4

1.5

a at

ka a

tk

t t

−=

155(3)

156(1)

157(4) Among alkali metal carbonates only 2 3Li CO decomposes → +2 3 2 2Li CO Li O CO

2 3 2 2Li CO Li O CO→ + HÆê~¡�Õ�¬ì Hê~¡Ä<Í\���Õ XH�ø 2 3Li CO =¶ã`Ç"Í° q�¦¬°@#O <ùO^ΰ#°.

158(4)

159(1)

160(3) German silver is the alloy of Cu+Zn+Ni

Cu Zn Ni+ + � q°ã�×=¶xß [~¡à<£ �²�Þ~� JO\ì~¡°.

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