- -

1 . ? | 2 . |

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Q. Find the equivalent fraction of 3

4 with numerator 11.

Q. Find the equivalent fraction of 15

35 with denominator 7.

Q. Find the simplest form of:

(a) 42

28 (b)

17

51 (c)

80

24

Q. Write the following fraction in ascending order:

2

11 ,

9

11 ,

5

11 ,

7

11 ,

3

11

Q Subtract 7

25 from

13

25 .

Q. Add 7

12 ,

5

12 ,

9

12

Q Express the following as improper fractions:

(a) 1053 (b) 89

4 (c) 743 (d) 26

5

Q. Find the value of:

(a) 1

2 -

1

3

(b) 2

5 -

1

5

..

, - ,

1. Write a paragraph about yourself so that people who read it will get to know you better.

2. Learn the format of Formal and Informal letter properly and write it down.

3. Complete the question answer of The monkey and the crocodile .

4. Practice the grammar chapters Verb , preposition , Tense , Article .

Make a chart on the following topics(any one):

i) Types of software. ii) Types of Printer.

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1. Write an application to you principal requesting him to grant your from 10days as you have attended

your brothers marriage.

2. Write a letter to your friend that how you have spend your puja holidays.

3. Write a letter to the editor of an esteemed daily regarding the increasing cases of corruption in the

country .you are anil/amita living in B-35 park avenue, Agartala.

4. Develop a story from the given line.

One day a crow was sitting on the branch of the tree and eating a piece of meat..

5. Write an article on Save water save life.

6. Write a book review.

Q. Fills in blanks:

(a) 35 % + .. = 100 %

(b) 45 % = 100 % - %

Q. If 65% of students in a class have a bicycle, what % of the students do not have bicycle?

Q. what % of `240 is `36?

Q. In a school 35 % of the students are girls and the number of boys is 676. Find the number of girls in

the school. Also find the total enrolment in the school.

Q. The monthly salary of a clerk was increased by 17 %. If his present salary is `3685.50, what was his

salary before increment?

Q. In an election, out of 75000 eligible voters, 50,000 cast their votes. What was the % of eligible

voters did not cast their votes?

Q. In an examination, a student must get 33% marks to pass. A student, who gets 240 marks, fails by

24 marks. Find the maximum marks.

Q.A shopkeeper bought a chair `375 and sold it for `440. Find the gain %?

Q. Amal bought a radio set for `390 and sold it for `360. Find his gain or loss %.

WORK AND ENJOY WITH SCIENCE

1. Describe how crystals of copper sulphate are prepared.

2. Explain why rusting of iron objects is faster in coastal areas than in deserts.

3. What is galvanization? Why iron sheet is galvanized?

4. What factors affect soil? Suggest any two measures to prevent soil erosion.

5. How does climatic factors and components of soil determine the various types of vegetation

and crops?

6. What is the function of ozone in atmosphere?

7. What are the constituent metals of steel?

8. Write differences between (a) Sandy soil and Clayey Soil (b) loamy soil and clayey soil.

PROJECT WORK:

1. Draw the Soil profile and label the various layers.

2. Collect information about the types of fuels used for cooking in your area. Discuss with

parents/others which fuels are less polluting and why.

1. Project North Eastern Tribes of India

2. 50 General knowledge questions.

1. What is Adobe Photoshop?

2. What is the use of Photoshop?

3. Fill in the blanks:

a. A _________ is the smallest element in an image.

b. The _____ tool creates precise paths that can be manipulated using anchor points.

c. The _____ tool navigates an image by moving it in any direction.

d. _________ Tools are used to select all or any part of a picture.

e. The ________ tool erases content based on the active layer.

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1- .

2- . 3- . 4- 5- . 6- . 7- 10 .

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1. You are Anupam jha . write an e-mail to your English teacher for improving you spoken English.

2. You are sunil / sumita , clars monitor. Write a welcome letter to priyanshu, a new boy in your class

, informing him of the facilities , etc available in your class.

3. Write a letter to the Editor of the Time of India about the benefits of yoga and exercise for

children. You are Tushar /Shreya of K.V ONGC, Agartala.

4. Write a notice informing the student about the Annual inter-school Debate for class VIII and IX to

be held in your school. You are secretary of the debating club.

5. You are Nitin. Write an article on Mans influence on nature

6. Develop the story from the given line.

Oneday a sage was bathing in rivers Ganga. Suddenly.

AUTUMN BREAK HOMEWORK FOR CLASS 8

1.FILL IN THE BLANKS:

a).Fossil fuels are _______,________, and ___________.

b). process of sepration of different constituents from petroleum is called _________.

c). Least polluting fuels for vehicles is _________.

Burning of wood and coal causes __________ of air.

e).A liquid fuels ,used in home is _________.

f). Fuel must be heated to its _______,_______ before it starts burning .

g).Fire produced by oil cannot be controlled by _________.

2.TICK TRUE /FALSE AGAINST THE FOLLOWING :

A). Fossil fuels can made in laboratory.

b). CNG is more polluting fuel than petrol.

c). Coke is almost pure form of carbon.

d). Coal tar is a mixture of various substances.

e). Kerosene is not a fossil fuel.

3. Describe characteristics and uses of coal.

4. List conditions under which combustion can takes pace.

5. Explain how the use of CNG in automobiles has reduced pollution in our cities.

6. Compare LPG and wood as fuels.

7. Give reason:

a). Water is not used to control fires involvingelectrical equipments .

b). LPG a better domestic fuel than wood .

c). Paper by itself catches fire easily whereas a piece of paper wrapped around aluminium pipes does not.

8). Which zone of a flame does a gold smith use for melting gold and silver and why?

9). PROJECT WORK:

TITLE-Conservation of fossil fuels.

1. Project Development of Education system in India

2. 50 General knowledge questions.

1. Fill in the blanks:

a. The ________________ tool allows the user to draw paths freehand. b. The ___________ tool selects a color from an area of the image that is clicked, and

samples it for future use.

c. The zoom tool __________ the part of an image that is clicked on, allowing for a closer

view.

d. The __________ tools, like the crop tool, are used in isolating parts of images. e. The _____________ tool can make selections that are single row, single column,

rectangular and _____________.

2. Define the following:

a. Selection Tools.

b. Magnetic Lasso Tools.

1 . 20 |

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1 . 1. .

2 . 3 4 . 5 .

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1. You recently went on a trip to Rajasthan . Share your experience with a friend through an e-mail .

2. Write an article on The suffering of Indian Women for your school magazine . you are Suresh /

Shivani of DAV public school , New Delhi .

3. In the poem The Seven Ages life is compared with a play . Just as in a play , a man acts many

parts , so also in life , a man plays many roles . Can you think of some other comparison for life ?

select one and write about the similarities in 80 100 words .

4. Summary of the chapters 11 & 12 of the novel Three men in a boat .

5. Practice the Integrated Grammar Exercises of the workbook chapter 5 & 6 .

1. Find any four solutions of each of the four linear equations:

(i) x + 2y = 0 (ii) 2x y = 2 (iii) 3x 2y = 5

2. Find the value of k for which

(i) x = 3, y = 2 is a solution of kx 2y = 5

(ii) x =2, y = 1 is a solution of 2x + 3y = k

3. Draw the graph of (i) y = 2x + 5

(iii) 2x + 5y =12

4. The cost of petrol in a city is Rs. 50 per litre. Write an equation with x representing the no. of litres & y

representing the total cost . Also draw its graph.

5. A man is driving his safari at the uniform speed of 60m per second . Draw the distance-time graph .

From the graph find the distance travelled by him in 5 seconds .

6. Show that the diagonals of a rectangle are equal & they bisect each other .

7. In a parallelogram ABCD , the bisector of A also bisects the side BC at L . Show that AD = 2AB .

8. If a transe versal cuts two parallel lines , prove that the bisectors of the interior angles form a rectangle

.

9. In a triangle ABC, median AD is produced to X such that AD = DX . Prove that ABXC is a parallelogram .

10. Prove that the line segments joining the mid points of the sides of a

Quadrilateral form a parallelogram.

PROJECT: PPt on the performance of your favourite team in Pro-Kabaddi League. ( Prepare the

performance chart by using statistics ) .

NOTE :- 1) - Test Paper same for both classes.

2) - Solve the Test paper in separate note book(Approx. 30 pages)

3) - PPT prepared by students individually.

TEST PAPER-01 CLASS -IX Science

(Atoms and Molecules) 1. Atomic radius is measured in nanometers and (a) 1nm = 10-10m (b) 1m = 10-10nm (c) 1m = 10-9nm (d) 1nm = 10-9m 2. Symbol of Iron is :-(a) Ir (b) I (c) Fe (d) None of these

1. IX-A Solve the test paper as given below.

*PPT on Rutherfords Model of atom. Group A (Roll no.1 to 10) * PPT on Bohrs Model of atom. Group B ( Roll no. 11 to 20) *PPT on Protista and Monera. Group D (Roll no. 21 to 30) *PPT on Fungi and Algae. Group C(31 to 40) *PPT on Bryophyta and Pteridophyta. Group E(Roll no. 41 to 44 )

2. IX-B Solve the test paper as given below.

*PPT on Gymnosperms and Angiosperms. Group A (Roll no. 1 to 10 ) *PPT on Porifera and Cnidaria. Group B ( Roll no. 11 to 20) *PPT on Platyhelminthes and Aschelminthes. Group C(21 to 30) *PPT on Annelida and Arthropoda. Group D (Roll no. 31 to 40) *PPT on Mollusca and Echinodermata Group E(Roll no. 41 to 45 )

3. Atomicity of chlorine and Argon is (a) Diatomic and Monoatomic (b) Monoatomic and Diatomic (c) Monoatomic and Monoatomic (d) Diatomic and Diatomic 4. Molecular mass of water ( H2O ) is (a) 18g (b) 8g (c) 33g (d) 34g 5. State law of conservation of Mass? 6. Define Valency? Find the Valency of oxygen and Aluminum. 7. Calculate the molar mass of Na2SO4 and CaCO3? 8. Write the chemical formula for a) Calcium Phosphate b) Magnesium Hydroxide c) Aluminum chloride. 9. State the Postulates of Dalton Theory?

TEST PAPER-02 CLASS -IX Science

(Atoms and Molecules) 1. Mole of a compound contains (a) 6.0231023 atoms (b) 6.0231024 atoms (c) 60.231023 atoms (d) 6.0231025 atoms 2. Oxygen is (a) Monovalent (b) Bivalent (c) Trivalent (d) Tetravalent 3. What is the molecular formula for Calcium Hydroxide? (a) Ca (OH)2 (b) Ca OH (c) Ca2 OH (d) Ca H2 4. State the law of constant Proportion? 5. Neutrone (a) Has charge and Mass (b) Has charge and Massless. (c) Charge less and Massless (d) Charge less and has Mass 6. How many molecules of water are present in a drop of water which has a mass of 50mg? 7. Find the number of protons and neutrons in the nucleus of an atom of an element X which is represented as 82X

207 . 8. Define the terms:-a) Atomic number b) Mass number . 9. Which element will be more reactive and why . the element whose atomic number is 10 or the one whose atomic number is 11? 10. What are the failures of Dalton Atomic theory?

11. The following questions are about one mole of sulphuric acid [H2 SO 4] ? a) Find the number of gram atoms of hydrogen in it? b) How many atoms of hydrogen does it have? c) How many atoms (in grams) of hydrogen are present for every gram atom of H2SO4? d) Calculate the number of atoms in H2SO4?

1. Project

Topic- i) plantation agriculture in Tripura

2. Question bank (history)

i. Define : a) deforestation

b) Scientific forestry

c) Plantation agriculture

d) Begar system

ii. What was samins challenge?

iii. Java is now famous as the rice producing island in Indonesia, discuss the role played

by the Dutch colonialisation.

iv. Write a note on chipko movement.

v. What was the effect of war on forest?

vi. Explain the provisions of forest act 1878?

vii. Describe the forest rebellion in Java?

viii. Write a note on Bastar rebellion.

ix. Do you agree with the statement We always see the expansion of cultivation as

sign of progress but we should not forget that for the land to be ploughed under

forest have to be cleared ?

Question bank (economics)

I. Poverty is a curse upon humanity. discuss

II. What are the main social and economic indicators of poverty?

III. Define poverty line.

IV. Who are the most vulnerable as per as poverty is concerned? How have the

states of West Bengal, Punjab and Tamil Nadu tackled poverty?

V. Explain any one distinguishable cause of poverty in urban and rural areas.

VI. Explain the objectives of the government anti-poverty programs.

VII. Economic growth is alone effective measure to wipe out poverty. Do you

agree?

VIII. Mention a few poverty elevation program introduced by the government of

India. Which of these is most successful.

1. Answer the following questions:

a. What is Polygonal Lasso Tool? b. What is Slice Tool? c. What is 3D? d. Define Modelling, Animation, Rendering. e. What is E-Commerce?

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1. In a group gather information about the Old Forts of India .

2. Your younger sister always stands first in the class and she is an all- rounder too . Her

accomplishments have made her proud . so , her friends have started avoiding her . Write a

letter telling her that good attitude wins the heart of everyone and that true success makes

you humble .

3. Write a ghost story by your imagination .

4. Ask the people around you if they believe in supernatural elements . Ask them why / why

not they believe in them. Make a report of that.

5. You are Alfred /Angela . You have been preparing for your Board exams very diligently for

the past several months . When you went to appear for your Pre-Board Examination , you

suddenly went blank and lost all confidence to answer the paper . On your return home

you are very upset . Make a diary entry in 50-60 words about your feelings .

1. Using quadratic formula, solve the equation : p2x2 + ( p2 q2 )x q2 = 0

2. Solve for x : 9x2 9 ( a +b )x + ( 2a2 + 5ab + 2b2 ) = 0

3. Solve for x : 1

+

1

+

1

=

1

+ + , a + b 0

4. If the two roots of the equation ( a b )x2 + ( b c )x + ( c a ) = 0 are equal . Prove that , 2a = b

+ c .

5. If the equation ( 1 + m2 )x2 + 2mcx + c2 a2 = 0 has equal roots . Show that , c2 =

a2 ( 1 + m2) .

6. A plane left 30 minutes later than the schedule time & in order to reach its destination 1500 km

away in time , it has to increase its speed by 250 km/hr from its usual speed . Find its usual speed .

7. Which term of the AP 3, 10, 17, will be 84 more than its 13th term?

8. If 2p, p + 10 , 3p + 2 are in AP, then find p .

9. How many numbers of two digits are divisible by 3 .

10. The 7th term of an AP is 32 & its 13th term is 62 . Find the AP.

NOTE :- 1) - Test Paper same for both classes.(separate note book of approx.. 30 pages to be

required)

2) - PPT to be prepared by students individually.

1. X-A Solve the test paper as given below. *PPT on Ecosystem and its Components. Group A (Roll no.1 to 10) * PPT on Food chain and Food webs. Group B ( Roll no. 11 to 20) *PPT on refraction in Convex lens. Group D (Roll no. 21 to 30) *PPT on Depletion of the Ozone layer. Group C(31 to 36) *PPT on reflection in Convex Mirror .Group E(Roll no. 36 to 42 )

2. X-B Solve the test paper as given below. *PPT on sexual reproduction in flowering plants. Group A (Roll no. 1 to 10 ) *PPT on Asexual reproduction in lower organisms. Group B ( Roll no. 11 to 20) *PPT on reflection in concave mirror. Group C(21 to 30) *PPT on refraction in concave lens. Group D (Roll no. 31 to 36) *PPT on natural phenomenon causes by refraction/reflection Group E(Roll no. 36 to 42 )

TEST PAPER-01 CLASS - X

(Carbon and its compound)

1. The odour of acetic acid resembles that of

(a) Rose

(b) Burning Plastic

(c) Vinegar

(d) Kerosene

(1)

2. Diamond is not a good conductor of electricity because

(a) is very hard

(b) Its structure is very compact

(c) It is not soluble in water

(d) It has no free electrons to conduct electric current.

(1)

3. Alcohols can be produced by the hydration of

(a) Alkenes

(b) alkynes

(c) alkenes

(d) acids

(1)

4. The IUPAC name of CH3CHO is

(a) Acetaldehyde

(b) formaldehyde

(c) methyl formaldehyde

(d) ethanol

(1)

5. IUPAC name of first member of homologous series of ketones is

(a) Ethanone

(b) methanone

(c) Propanone

(d) Butanone (1)

6. What are the properties of carbon which lead to the huge number of carbon

compounds we see around us?

(2)

7. Name the following compound

(a) CH3-CH2-Br

(2)

(b)

CH3

CH2

CH2

C CH

8. Why is conversion of ethanol into ethanoic acid an oxidation reaction? (2)

9. A mixture of ethyne and oxygen is used for welding. Can you justify why a

mixture of ethyne and air is not-used?

(2)

10. What is a homologous series? State any two characteristics of homologous

series?

(3)

11. Give the structural formulas for

(i) Methyl Ethanote

(ii) Ethyl ethanoate

Write two uses of Ester?

(3)

12. What are enzymes? Name the enzymes required for the fermentation of sugar

cane to ethanol?

(3)

13. The formula of an ester is C3H7COOC2H5 write the formulae of the acid and

alcohol from which the ester is prepared.

(3)

14. An organic compound A is widely used as a preservative in pickles and has a molecular

formula C2H4O2. This compound reacts with ethanol to form a sweet smelling compound B.

(a) Identify the chemical equation for its reaction with ethanol to form compound B.

(b) How can we get compound A.

(c) Write the compound A back from B.

(d) Name the process and write the corresponding chemical equation.

(e) Which gas is produced when compound A reacts with washing soda? Write the

chemical equation?

TEST PAPER-02 CLASS X

(Carbon and its compound)

1. Write the structures of

(i) Ethanoic acid (ii) Hex anal [1]

2. Out of butter and groundnut oil which is unsaturated in nature. (1)

3. Which has triple bond, C2 H 4 , C3 H 4 , C3 H 6 (1)

4. Which substance is added for the denaturation of ethyl alcohol (1)

5. Which ions are responsible for making water hard? (1)

6. Why carbon and its compounds used as fuels in most cases? (2)

7. A compound X has the molecular formula C3 H

6O with structural formula (2)

CH3CH 2CHO . Give its IUPAC name.

8. Why CHO group cannot be present in the middle of the carbon atom chain? (2)

9. Two carbon atoms cannot be linked to each other by more three covalent

bonds. Why?

(2)

10. Write three difference between ethanol and ethanoic acid on the basis of

chemical properties?

(3)

11. Given a chemical test to distinguish between

(i) Ethane and ethene (ii) Ethanol and ethanoic acid (iii) Soaps and Detergents

(3)

12. Name the functional groups present in the following compounds? (3)

(i) CH3

CH 2

CH 2

OH (ii) CH3

CH 2

CH 2

COOH (iii) CH3

CH 2

CHO

13. What are esters? Write an equation to show the formation of ester? (3)

14. (a) Why does carbon form largest number of compounds?

(b) Why are some of these called saturated and other unsaturated compounds?

(c) Which of these two is more reactive? (3)

CLASS X B

SUBJECT - SOCIAL SCIENCE

1. Distinguish between Anthracite and Bituminous coals.

2. Why do you think that solar energy has a bright future in India?

3. Suggest any two ways to conserve minerals.

4. Where is the largest wind farm located in India?

5. State any three successful application of solar energy.

6. Hydel power is more important source of energy than thermal power? Explain.

7. Why is coal called the most important source of energy even today? Explain any four

reasons.

8. Distinguish between commercial and non-commercial energy resources.

9. How minerals are formed in Indians metamorphic rocks?

10. Name any four manganese ore producing state of India.

11. What are commercial source of energy?

MAP POINTING

Locate and label the following in the political outline map of India

1. The state leading in mica production.

2. Petroleum deposits

3. Iron ore field

Answer the following questions:

1. What is E-Business?

2. What are the major E- Business portals?

3. What are the Societal Impacts of E-Business?

4. Define Multimedia?

5. Write the uses of Multimedia.