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NEET | MOCK TEST NO 17 No. 71A, 2 nd Floor Page 1 Shreya Towers, Prakasam Salai, Broadway, Chennai 108 CONTACT:+91 73389 23999 BIOLOGY- STRUCTURAL ORG IN ANIMALS 1. The kind of epithelium which forms the inner walls of blood vessels is (a) Cuboidal epithelium (b) Colummar epithelium (C) Ciliated columnar epithelium (d) Squamous epithelium 2. If the some reason our goblet cells are non-functional, this will adversely affect (a) Production of somatostatin (b) Secretion of sebum from t he sebaceous gland (c)Maturation of sperms (d) Smooth movement of food down the intestine 3. The cells lining the blood vessels belong to the category of (a) Smooth muscle tissue (b) Squamous epithelium (c) Columnar epithelium (d) Connective tissue 4. Consider the following four statements (A to D) related to the common forg Rana tigrina, select the correct option stating which ones are true (T) and which ones are false (F) statement? (A) on dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days (B) IT has four-chambered heart. (C) On dry land it turns uricotelic from ureotelic. (d) Its life history is carried out in pond water. A B C D (a) T F F T (b) T T F F (c) F F T T (d) F T T F

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NEET | MOCK TEST NO 17

No. 71A, 2nd Floor Page 1 Shreya Towers, Prakasam Salai, Broadway, Chennai – 108 CONTACT:+91 73389 23999

BIOLOGY- STRUCTURAL ORG IN ANIMALS

1. The kind of epithelium which forms the inner walls of blood vessels is

(a) Cuboidal epithelium

(b) Colummar epithelium

(C) Ciliated columnar epithelium

(d) Squamous epithelium

2. If the some reason our goblet cells are non-functional, this will adversely affect

(a) Production of somatostatin

(b) Secretion of sebum from t he sebaceous gland

(c)Maturation of sperms

(d) Smooth movement of food down the intestine

3. The cells lining the blood vessels belong to the category of

(a) Smooth muscle tissue

(b) Squamous epithelium

(c) Columnar epithelium

(d) Connective tissue

4. Consider the following four statements (A to D) related to the common forg Rana tigrina, select

the correct option stating which ones are true (T) and which ones are false (F) statement?

(A) on dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days

(B) IT has four-chambered heart.

(C) On dry land it turns uricotelic from ureotelic.

(d) Its life history is carried out in pond water.

A B C D

(a) T F F T

(b) T T F F

(c) F F T T

(d) F T T F

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5. Which one of the following structures in Pheretima is correctly matched with its function?

(a) Clitellum – Secretes cocoon

(b) Gizzard – Absorbs digested food

(C) Setae – Defence against predators

(d) Typhlosole – Storage of extra nutrients

6. Ureters act as urinogenital ducts in

(a) Human males (b) Human females

(c) Both male and female frogs

(d) Male frogs

7. The type of muscle present in out

(a) Heart is involuntary and unstriated smooth muscle.

(b) Intestine is striated and involuntary

(c) Thigh is striated and involuntary.

(d) Upper arm is smooth muscle and fusiform in shape.

8. One very special feature in the earthworm Pheretima is that

(a) The typhlosole greatly increases the effective absorption area of the digested food in the intestine.

(b) The S- Shaped setae embedded in the integument are the defensive weapons used against the

enemies.

(c) It has a long dorsal tubular heart.

(d) Fertilization of eggs occurs inside the body.

9. The ciliated columnar epithelial cells in humans are known to occur in

(a) Bronchioles and fallopian tubes

(b) Bile duct and oesophagus

(c) Fallopian tubes and urethra

(d) Eustachian tube and stomach lining

10. Which of the following is correctly states as it happen in the common cockroach?

(a) Oxygen is transpoted by haemoglobin in blood.

(b) The bitrogenous excretory product is urea

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(c) The food is ground by mandibles and gizzard.

(d) Malphighian tubules are excretory organs projecting out from the colon.

11. The supportive skeletal structures in the human external ears and in the nose tip are examples of

(a) Areolar tissue (b) Bone

(C) Cartilage (d) Ligament

12. Given below is the diagrammatic sketch of a certain type of connective tissue identify the parts

labeled A, B, C and D and select the right option about them

Options:-

(a) A: Mast cell, B: Marcophage, C: Fibroblast, D: Collagen fibres

(b) A: Marcophage, B: Collagen fibres C: Fibroblast , D: Mast cell

(c) A: Mast cell , B: Collagen fibres, C: Fibroblast, D: Marcophage

(d) A: Marcophage, B: Fibroblast, C: Collagen fibres, D: Mast cell

13. Which one of the following characteristics is common both in humans and adult frogs?

(a) Internal fertilization

(b) Nucleated RBCs

(c) Ureotellic mode of excretion

(d) Four chambered heart

14. The four sketches (A,B, C, and D) given below, represent four different types of animal tissues.

Which one of these is correctly identified in the option given, along with its correct location and

function?

Tissue Location Function

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(a) (C) Collgaen - Cartilage - Attach skeletal

Fibres Muscles to bonds

(b) (D) Smooth - Heart - Heart contraction

Muscle tissue

(c) (A) Columnar - Nephron - Secretion and

Epithelium absorption

(d) (B) Glandular - Intestine - Secretion

Epithelium

15. Pheretima and its close relatives derive nourishment from

(a) Sugarcane roots

(b) Decaying fallen leaves and soil organic matter

(c) Soil insects

(d) Small pieces of fresh fallen leaves of maize, etc.

16. Compared to those of humans, the erythrocytes in frog are

(a) Without nucleus but with haemoglobin

(b) Nucleated and with haemoglobin

(c) Very much smaller and fewer

(d) Nucleated and with haemoglobin

17. Select the correct stamen from the ones given below with respect to Periplaneta Americana.

(a) Nervous system is located dorsally, it consists of segmentally arranged ganglia joined by a pair of

longitudinal connectives

(b) Males bear a pair of short thread like anal styles

(c) There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut.

(d) Grinding of foods is carried out only by the mouth parts.

18. What external changes are visible after the last moult of a cockroach nymph?

(a) Mandibles become harder

(b) Anal cerci develops

(c) Both forewings and hindwings develop

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(d) Labium develops

19. Choose the correctly matched pair:

(a) Tendon- Specialized connective tissue

(b) Adipose tissue – Dense connective tissue

(c) Areolar tissue – Loose connective tissue

(d) Cartilage – Loose connective tissue

20. Choose the correctly matched pair

(a) Inner lining of salivary ducts- Ciliated epithelium

(b) Moist surface of buccal cavity- Glandular epithelium

(c) Tubular parts of nephrons – Cuboidal epithelium

(d) Inner surface of bronchioles – squamous epithelium

CHEMISTRY – D-BLOCK

21. Among which of the following pairs of ions, the lower oxidation state in aqueous solution is more

stable than the other?

(a) Ti+, Ti3+

(b) V2+, VO2+

(c) Cr2+, Cr3+

(d) Cu+, Cu2+

22. The number of incomplete orbitals in inner transitior elements is?

(a) 1

(b) 4

(c) 2

(d) 3

23. The aqueous solution containing which one of the following ions will be colourless?

(a) Sc3+

(b) Fe3+

(c) Fe2+

(d) Mn2+

24. Which of the following is a highly corrosive salt?

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(a) FeCl2

(b) HgCl2

(c) PbCl2

(d) Hg2Cl2

25. A complex compound of Co3+ with molecular formula CoClx, yNH3 gives a total of 3 ions when

dissolved in water. How many Cl ions satisfy both primary as well as the secondary valencies in this

complex?

(a) 3

(b) 1

(c) 4

(d) zero

26. In which of the following metal complex, does the central metal atom have zero volency?

(a) [Cu(NH3)4]SO4

(b) K3[Fe(CN)6]

(c) [Ni(CO)4]

(d) [Pt(NH3)2Cl2]

27. Heteropoly acids are formed by?

(a) Fe

(b) Mo

(c) Cr

(d) Mn

28. Which one of the following forms, with an excess of CN, a complex having coordination number

two?

(a) Ni2+

(b) Cu+

(c) Ag+

(d) Fe2+

29. Which of the following order is correct for the size of Fe3+, Fe and Fe2+?

(a) Fe3+ < Fe2+ < Fe

(b) Fe < Fe3+ < Fe2+

(c) Fe< Fe2+ < Fe3+

(d) Fe2+ < Fe3+ < Fe

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30. Which of the following pairs of ions is colourless?

(a) Ti3+, Cu2+

(b) Se3+, Zn2+

(c) Co2+, Fe3+

(d) Ni2+, V3+

31. Which one of the following forms a colourless solution in aqueous medium?

(a) V3+

(b) Cr3+

(c) Ti3+

(d) Sc3+

[Atomic number Sc = 21, Ti = 22, V = 23, Cr = 24]

32. Which of the following shows maximum number of oxidation states?

(a) Mn

(b) V

(c) Cr

(d) Fe

33. The most convenient method to protect the bottom of ship made of iron is

(a) white tin plating

(b) coating it with red lead oxide

(c) connecting it with Pb block

(d) connecting it with Mg block

34. CuSO4 when reacts with KCN forms CuCN, which is insoluble in water. It is soluble in excess of

KCN, due to formation of the following complex:

(a) K2[Cu(CN)4]

(b) K3[Cu(CN)4]

(c) Cu[K Cu(CN)4]

(d) CuCN2

35. In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is

(a) A thin layer of Ag is formed on Cu

(b) More voltage is required

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(c) Ag+ ions are completely removed from solution

(d) Less availability of Ag+ ions, as Cu cannot displace Ag from [𝐴𝑔(𝐶𝑁)2−] ion

36. Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because.

(a) In electrochemical series Zn is above hydrogen.

(b) 𝑁𝑂3− ion is reduced in preference to hydroniumion.

(c) Zn acts as an oxidizing agent when reacts with HNO3.

(d) HNO3 is weaker acid than H2SO4 and HCl

37. Which one of the following characteristics of the transition metal is associated with their catalytic

activity?

(a) Variable oxidation states

(b) Colour of hydrated ions

(c) Paramagnetic behaviour

(d) High enthalpy of atomization

38. The basic character of the transition metal monoxides follows the order

(a) CrO > VO > FeO > TiO

(b) TiO > VO > CrO > FeO

(c) TiO > FeO > VO > CrO

(d) VO > CrO > TiO > FeO

39. Among the following series of transition metal ions, the one where all metal ions have 3d2

electronic configuration is

(a) Ti+, V4+, Cr6+, Mn7+

(b) Ti2+, V3+, Cr4+, Mn5+

(c) Ti3+, V2+, Cr3+, Mn4+

(d) Ti4+, V3+, Cr2+, Mn3+

40. The aqueous solution containing which one of the following ions will be colourless?

(a) Sc3+

(b) Fe3+

(c) Fe2+

(d) Mn2+

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PHYSICS- SEMICONDUCTOR 41. A certain logic circuit has A and B as the two inputs and Y as the output. What is the logic gate in

the circuit, if the truth table of the circuit is as shown

A B Y

(a) XOR 0 0 0

(b) OR 0 1 1

(c) NOR 1 0 1

(d) NAND 1 1 0

42. A pure semiconductor has a/an

(a) finite resistance which decreases with temperature

(b) infinite resistance at 0℃

(c) finite resistance which increases with temperature

(d) finite resistance which does not depend upon temperature

43. With an increase in temperature, the electrical conductivity of intrinsic semiconductor

(a) remains unchanged

(b) increases

(c) decrease

(d) first (b) then (c)

44. If p-n diode is reverse biased, then the resistance measured by an ohm-meter, will be

(a) high

(b) zero

(c) infinite

(d) low

45. An intrinsic semiconductor, at the absolute zero temperature, behaves like a/an

(a) n-type semiconductor

(b) insulator

(c) p-type semiconductor

(d) superconductor

46. In some substances, charge can flow at ordinary temperature, but not at very low temperatures.

These substances are called

(a) conductors

(b) insulators

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(c) dielectrics

(d) semiconductors

47. In a pure semiconductor crystal, if current flows due to breakage of crystal bods, then the

semiconductor, is called

(a) donor

(b) acceptor

(c) intrinsic semi-conductor

(d) extrinsic semi-conductor

48. In a diode, when there is a saturation current, the plate resistance (rp), is

(a) zero

(b) infinite quantity

(c) data insufficient

(d) some finite quantity

49. In type semiconductor, major current carriers are

(a) electrons

(b) negative ions

(c) mobile holes

(d) both (a) and (b)

50. When n-p transistor is used an amplifier, then

(a) holes move from emitter to base

(b) electrons move from base to collector

(c) holes move from base to emitter

(d) electrons move from collector to base

51. At 0 K temperature, a p-type semiconductor

(a) does not have any charge carriers

(b) has few holes but no free electrons

(c) has few holes and few free electrons

(d) has equal number of holes and free electron.

52. The potential barrier, in the depletion layer, is due to

(a) ions

(b) electrons

(c) holes

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(d) forbidden band

53. To a germanium sample, traces of gallium are added as an impurity. The resultant sample would

behave like

(a) a conductor

(b) a p-type semiconductor

(c) an n-type semiconductor

(d) an insulator

54. In the following common emitter configuration an npn transistor with current gain 𝛽 = 100 is

used. The output voltage of the amplifier will be

(a) 10 mV

(b) 0.1 V

(c) 1.0 V

(d) 10 V

55. Which logic gate is represented by the following combination of logic gates?

(a) OR

(b) NAND

(c) AND

(d) NOR

56. A Ge specimen is doped with Al. The concentration of acceptor atoms is ~1021 atoms/m3. Given

that the intrinsic concentration of electron-hole pairs is ~1010 /m3, the concentration of electrons in

the specimen is

(a) 1017/m3

(b) 1015/m3

(c) 104/m3

(d) 102/m3

57. Which of the following logic gates is an universal gate?

(a) OR

(b) NOT

(c) AND

(d) NAND

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58. Consider an n-p transistor amplifier in common emitter configuration. The current gain of

the transistor is 100. If the collector current changes by 1 mA, what will be the change in emitter

current?

(a) 1.1 mA

(b) 1.01 mA

(c) 0.01 mA

(d) 10 mA

59. In a semiconducting material the mobilities of electrons and holes are 𝜇𝑒 and 𝜇𝑛 respectively.

Which of the following is true?

(a) 𝜇𝑒 > 𝜇𝑛

(b) 𝜇𝑒 < 𝜇𝑛

(c) 𝜇𝑒 = 𝜇𝑛

(d) 𝜇𝑒 < 0; 𝜇𝑛 0

60. The voltage gain of the following amplifier is

(a) 10

(b) 100

(c) 1000

(d) 9.9