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Dear Parents,

Holidays are the best time of the year, Time to

enjoy, clap & cheer! Jump about and have lots of fun, Enjoy

treats in tons and ton. Plan a trip, go around and explore.

Here are some tasks that you can easily fit into

your holiday plans.

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SUB- ENGLISH

Complete the following story. Some lines are given to help you start.

On Sunday, I was watching TV. Suddenly I heard people shouting outside…

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BIOLOGY: Write in practical copy as per instructions given in the class.

1. To study the characteristic of Spirogyra/ Agaricus, Moss/Fern, Pinus and an Angiospermic plant.

Draw and give two identifying features of groups they belong.

2. To observe the given specimens-earthworm, cockroach, bony fish and bird. For each specimen

record one specific features of the Phylum, and one adaptive feature with reference to its habitat.

CHEMISTRY:

1. How will you separate a mixture of ethyl alcohol (b.pt 780C) and acetone (b.pt 560C)? Draw a neat

diagram of the apparatus used.

2. What is the principle of chromatographic separation? Name the different types of chromatography

used commonly.

3. State your observation when a beam of light is passed through a solution of copper sulphate.

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PHYSICS:

1. Using the following data , draw displacement – time graph for a moving object : (use graph paper)

Use this graph to find average velocity for first 4s , for next 4s and for last 6s.

2.Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the

interval between

4th and 5th seconds.

3. An electron moving with a velocity of 5x104m/s enters into a uniform electric field and acquires a uniform acceleration of 104m/s2 in the direction of its initial motion. i. Calculate the time in which the electron would acquire a velocity double of its initial velocity. ii. How much distance the electron would cover in this time ?

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HISTORY:

1. On a world political map locate and label the two Power Blocks during the World War I with explanation

about any five great leaders from each Power Block.

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Time (s) 0 2 4 6 8 10 12 14 16

Displacement (m) 0 2 4 4 4 6 4 2 0

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POL. SCIENCE:

Prepare a detailed report on the 2019 General Elections.

Parameters to be covered: Major Parties, Voters Turnout, Seats won by parties.

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ECONOMICS:

Make a survey in your locality and prepare a report of any tertiary sector institution or organisation.

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GEOGRAPHY: Project Work – Topics – 1) Inter-state river water disputes. (Select any one) 2) River related disaster (Select any one)

The student has to prepare an individual project on any one of the given topics following the given

guidelines:

1. Acknowledgement

2. Objective of the project

3. Content

(a) Introduction

(b) Map

(c) Content of the topic (elaboration)

(d) Steps taken by government to solve the problem

(e) Bibliography

(f) Photo gallery

Please note : Students can take help from internet / books under parental supervision. The project

should be hand written and should not exceed ten pages.

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MATHEMATICS:

1. Find 10 rational numbers between 2 and 3

2. If 1176 = 2ax 3bx 7c, find a,b and c

3. Represent √7 on number line

4. Show that 1.373737… can be expressed in the from

, where p and q are integers and q≠0.

5. Solve the following equation for x: (a) 22x – 2x+3+24 =0 (b) 32x+4 +1= 2.3x+2

6. If 3x-1 =9 and 4y+2 = 64, what is the value of

,

7. If √

√ = x+y√3, find the value of x and y.

8. If x =3 +2√2, then find the value of √x-

√ ,

9. Find the value of the polynomial 5x2-3x+7 at(i) x=1, (ii) x=-1, (iii) x=0, (iv )x= -2

10. If x=0 and x=-1 are the zeroes of the polynomial p(x)= 2x3-3x2+ax+b, find the values of a and b.

11. Prove that x4+2x3+3x2-38x+32 is exactly divisible by (x2-3x+2)

12. Factorise: (a) x8-y8 (b) 4a2-9b2-2a-3b (c)216a3-125b3 (d)a3+3a2b+3ab2+b3-8 (e) x3+13x2+32x+20

13. If a+b+c=15 and a2+b2+c2=83, find the value of a3+b3+c3-3abc.

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14. Plot the points (2,0) (2,3) (0,6) (-2,3) and (-2,0) and join them in order. Find the type of the figure thus

formed.

15. Draw the graph of the line x-2y=3. From the graph, find the co-ordinates of the point when (a) x=5 (b)

y=1 (iii) x=-1

16. An angle is equal to one third of its supplement. Find the measure of the angle.

17. If angles of a triangle are in the ratio 3:4:5, find the smallest angle.

18. In ABC, <B=45◦, <C =55◦ and bisector of <A meets BC in D. Find <ADB and <ADC.

19. Find the area of triangle with perimeter 22cm, one side 9cm and difference of other two sides is 7cm

20. Find the area of the quadrilateral ABCD in which AB=50cm, BC=60cm, CD=30cm, DA 90cm and

BD=70cm.

Note: Practice at least 5 sums per day other than the given question.

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HINDI

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( <ºÉ MÉÞ½þ EòɪÉÇ Eäò ʱÉB A4 size Eäò Page ´ªÉ´É½þÉ®ú Eò®åú* ±ÉäJÉ º´É®úÊSÉiÉ ½þÉäxÉÉ

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Date of Submission : 12 / 08/ 2019

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