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QUEENS COLLEGE , INDORE

SUMMER ASSIGNMENT (2018-19)

CLASS IX

Subject : English

Q.1 Read the lines and complete the story in 150-200 words in your own words.

Last week I went to market to buy some books on bicycle. I placed my bicycle outside the shop.

Q.2 Write the story in 150-200 words using the given outline:

A miser____ lost purse having hundred gold pieces ____ sad _______ ___ announces reward of ten gold pieces____ farmer approached the miser ___ returned his purse _____ miser counted the gold pieces, satisfied ____ thanked the farmer ___ the farmer asked for the reward _____ the miser blamed the farmer of already taking reward from the purse_____ it had hundred and ten gold pieces ____ farmer approached Court ____ judge found the purse having space for hundred gold pieces____ declared that the purse cant be of the miser ____

Subject : Hindi

-1 vkius dHkh fdlh i'kq ;k i{kh dks ikyk&ikslk gksxk] mldh xfrfof/k;ksa dks cgqr /;ku ls ns[kk

gksxkA mldh pqgyckft+;ksa us vkidk euksjatu fd;k gksxkA ,slh dksbZ ?kVuk dgkuh ds :i esa

fyf[k,A yxHkx 250 'kCnksa esa

vFkok

ekuo n~okjk i'kqvksa dk 'kks"k.k fd;k tk jgk gSA i{k vkSj foi{k esa vyx&vyx 100&150

'kCn fyf[k,A

Subject :Maths

Q1 Express 17.4848 as rational number. Q2 Represent 3 on number line. Q3 Prove that 7 is irrational. Q4 Rationalize the denominator of the following Q5 Simplify the following Expression:

Q6 What is simplest rationalizing factor of 4 48

Q7 If x 7 4 3, then find the value of i) 1

xx

ii) x2+

1

2

Q8 What is the value of 6 2166 0.001 x

10

Q9 What is the value of 5 5 5 5..........

Q10 Simplify 0.23 0.22

Q11 Show that 0.2353535...= 0.235 can be expressed in the form

p,

q where p and q are integers and q 0.

Q12 Simplify the following expressions :

(i) 5+ 7 2+ 5

(ii) 5+ 5 5- 5

(iii)

2

3+ 7 (iv)

11- 7 11+ 7

Q13 Simplify:[52(8+27)3]1/5 Q14 Find the values of a and b if

7+5

75 -

75

7+5 = a+

7

115

Q15 Factories by using the Factor Theorem.

i) Y2- 5y+6 ii) 6x2+17x+5 iii) 2x3+x2-2x-1

Q16Factories each of the following:

i) 8a3+b3+12a2b+ab2. ii) 27-125a3-135a+225a2

Q17 Expand each of the following using appropriate identities.

a. (3a-7b-c)2 b. (102)3 c. X2-y2\100 d. 103X107.

Q18. Factories 2y -5y +6 by using the Factor Theorem

Q19. Find the value of k, if x -1 is a factor of 3 24x +3x - 4x +k

Q20. If

x 1

x

= 11, find the value of 2

2

1x

x

Q21. Find the value of in the following :

+

+

= +

Q22. Express 1 1

11 3 1 3

in the form of a + b 3 , where a and b are rational numbers, then find

the values of a and b.

Q23. What is the value of following

1 1 1b c abc ca ab

c a b

x x x. .

x x x

.

Q24. Factorize the following 1

3c

2 2c 9

Q25. If x a is a factor of x3 3x

2 a + 2a

2x + b then find the value of b.

Subject : Science

PHYSICS Prepare an investigatory report on working principle and construction of the following topics:

Microwave oven

Refrigerator

Washing machine

A.C.

Electric bell

CHEMISTRY Write various properties of True solution, colloids and suspension in tabular form. Also write two examples of

each.

Write a short note on separation techniques given below:

(1) Centrifugation.

(2) Simple distillation.

(3) Fractional distillation.

(4) Cromatography

BIOLOGY

Q.1.Who discovered golgi apparatus? Describe its structure and functions.

Q.2.Name two organelles present in a plant and absent in animal cell.

Q.3.Why is the cell known as the structural and functional unit of life?

Q.4.Nucleus is the brain of the cell. Justify.

Q.5. i) Which cell organelle is associated with energy production?

ii)Why is it known as the semi-autonomous body?

Q.6.A leaf peel is put in a hypertonic solution. After some time it was transferred to a slide and observed

under the microscope.

i) How will the cells in the peel appear.

ii) What could be the reason for the same?

iii) Define the phenomenon cited above.

iv) How can the cells be brought back to the normal condition? Explain.

v) Draw diagrams to show the initial and the final condition of the cell.

Q.7.What is membrane biogenesis? Name all the organelles involved in this process.

Q.8.Where will you find more ribosomes: in a cancer cell or a fat cell. Justify.

Q.9.i) What is meant by 10% solution?

ii)Comment upon its tonicity with respect to a 50% solution.

iii)Define plasmolysis.

Q.10.What is lacking in a virus that makes it non-living outside a host?

Q.11.Differentiate between prokaryotic and eukaryotic cell based on the criterias:

Nuclear membrane, type of cell organelles, photosynthetic organelle, ribosome

Q.12.Fill in the blanks in this table:

S.no Organelle Function Location

1 A Photosynthesis Green leaves

2 Chromosome b c

3 D Diffusion of gases Outermost cell part

4 E Major cellular metabolism f

5 RER g h

Q.13.Give a technical term for the following:

i)An organism with a large number of cells in its body.

ii)Two solutions having the same concentration.

iii)The enzyme that is present in the suicidal bag of the cell.

iv)The highly condensed rod like structure in a nucleus.

v)The thread -like network in a cell which consists of genes.

vi)The process of engulfing bacterias by Amoeba.

vii)The chemical found in a chromosome.

Q.14.A cell organelle has an autolytic nature. What do you mean by this ? Identify the cell organelle that shows this

property.

Subject :Social Science

DISASTER MANAGEMENT TOPICS:

CYCLONE OR LANDSLIDES

Natural Hazards: Causes, Distribution pattern, Consequences and mitigation measures

INSTRUCTIONS:

Prepare hand written file of around 15 A-4 size ruled pages. All data, pictures and photographs related to your

presentation should be pasted on the left hand side.

SEQUENCE:

1. Front page (Topic)

2. Declaration

3. Certificate

4. Acknowledgment

5. Index

6. Introduction

7. Objectives

8. Methodology (survey)

9. Suggestions

10. Analysis

11. Conclusion

12. References

Subject :Computer Science

I Do as directed:

a. What are variable? Write the rules for naming variables.

b. What will be output of the following :-

# include

#include

void main( )

{ cout

# include

void main( )

{ a=131;

a=a+90;

if (a>50)

cout