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CALSS:- VI

SUBJECT :- ENGLISH

1. Write down the different parts of speech and their kinds with definitions of your own and

10 examples each.

a. Noun

b. Pronoun

c. Verb

d. Adverb

e. Adjective

f. Conjunction

g. Preposition

h. Interjection

2. Compose a moral story of your own and write it down and memorize it.

SUBJECT :- HINDI

लेखनकार्य–

1- बचपन पाठ के आधार पर अपने बारे में 10 वाक्य ललखें | 2- ‘अवधपुरी में राम’ तथा‘जंगल और जनकपुर’ पाठ ंलक कहानी अपने शब् ंमें ललखखए | 3- प्राचार्य के नाम अवकाश हेतु एक प्राथयना पत्र ललखें |

पठनकार्य–

1- ‘वह लचलिर्ा ज ’ कलवता क र्ाद करें | 2- नादान द स्त पाठ क अचे्छ से पढ़ें |

अन्यगलतलवलधर्ां-

1- पढ़ारे् गए पाठ ंमें से लकसी एक समू्पर्य पाठ का सुलेख ललखखए | 2- लहंदी, संसृ्कत, तथा अंगे्रजी में प्रलतज्ञा र्ाद कीलजरे् | 3- सभी मुख्य समूह गान र्ाद कीलजरे् | 4- लकसी वृक्ष र्ा फूल का पौधा लगाइए और उसके ललए लकरे् गए प्रर्ास ंका वर्यन अपनी उत्तर

पुखस्तका में कीलजरे् | 5- अपनी एक लदन लक लदनचर्ाय ललखखए|

SUBJECT :- MATHEMATICS

1. Write the following numerals in Indian number system. (a) 1540006 (b) 900909 (c) 4506248

2. Write the following numerals in international number system. (a) 25345786 (b) 9543909 (c) 302456198

3. Write the greatest and smallest number using 5 ,4,6,8,0,3 and find their difference. 4. Add on number line.

a) 4+5 b) 2+6 c) 3+4 5. Subtract on number line.

a) 5 - 4 b) 6 -3 c) 9-3 6. Multiply on number line.

a) 2 × 3 b) 3×3 c) 2×4 7. Write predecessor and successor of following number:

49, 10000, 15634, 999 8. Write and learn divisibility rules of 2 , 3, 6, 5 and 10. 9. Write Roman numeral 1 to 100

10. Write and learn tables 2 to 20.

SUBJECT :- SCIENCE

1. Make a list of food items generally taken by people of different regions of India.

And place these on a outline map of India.

2. Find out and write the names of plants and animals that grow in water and which

are eaten as food.(Any Five)

3. Make a list of food items with their ingredients. (Any ten)

4. Draw a chart of some disease caused by deficiency of vitamins and minerals .

5. Write in about 150 words on cotton fiber and silk fiber.

6. Paste different types of fabrics on a sheet and labeled the type of fabric.

SUBJECT :- SOCIAL SCIENCE

1. Learn Question &Answer Chapter-1 of all the Three textbook of SST.

2. Complete Exercise Of Chapter-2 of all the Three books of SST in H.W Notebook.

3. Draw a Figure of Solar System In H.W. Notebook

4. Read chapter-2 of Geography,Political,History.

SUBJECT :- SANSKRIT


1- शब् पररचर्: भाग I, II, एवं III के सभी वर्य लवचे्छद और वर्य संर् जन के प्रश्न एक बार ललखखए |

2- तीन ंपाठ ंके गृहकार्य में लकरे् गए सुधार ंक 5 बार सुधार कर ललखखए | 3- तीन ंपाठ ंके शब्ाथय एक बार ललखखए |


1- शब् पररचर्: भाग I, II, एवं III के सभी शब्ाथय र्ाद करें | 2- तीन ंपाठ ंक अचे्छ से पढ़कर कलठन शब् ढंूढें और उनके अथय पता करें |




SUBJECT :- WE

1. Make a DC fan .

2. How to reduce pollution due to plastic .

CALSS:-VII

SUBJECT :- ENGLISH

Q.1: You are Yoogansh / Yogini living in a village. You feel that the village life is better than

city life. Describe your village life in about 100 words.

Q.2: Write an article in about 120 words on-

“Work your way to health”

Q.3: Write an application to the principal of your school for 5 days leave in about 120 words

giving an appropriate reason.

Q.4: Write a notice for your school board informing the students about an inter house

debate competition to be held in your school. Give all necessary details.

Q.5: Develop the following outlines into a story. Give the story a heading / title and a

suitable moral.

A rich man – son got into bad company – wasted time – father worried – basket full of fresh apples- one rotten apple – all apples rotten – son realised his folly--------------

SUBJECT :- HINDI


1- अपनी दादी र्ा नानी र्ा दादा र्ा नाना के साथ लबतारे् समर् के बारे में ललखखए | 2- नगर पाललका क अपने मुहले्ल में पानी लक व्यवस्था करने के ललए एक पत्र ललखखए | 3- अपने माता और लपता के ललए एक अनुचे्छद ललखखए |


1- ‘हम पंछी उनु्मक्त गगन के’ कलवता क र्ाद करें | 2- ‘बालमहाभारत कथा’ के पढ़ारे् गए सभी पाठ ंकी पूरी कहानीर्ााँ र्ाद करें |

अन्यगलतलवलधर्ां–




1. What is the sum of an integer and its negative? 2. Place A is 1600 m above sea level. Another place B is 900 m below sea level. What is

the difference between the levels of these two places? 3. Find the sum using properties: 425 + (-207) + 75 4. Find the following:

a) A pair of negative integers whose difference gives 8.

b) A negative and a positive integer whose sum is -5.

c) A negative and a positive integer whose difference is -3.

5. Multiply by suitable rearrangement: -250 × 782 × (-4) 6. Simplify: 4 – (6 × 4 - 11 × 2) 7. Find the following products:

1. 3 × (-15) =_______ 2. (-5) × 4 × 0 = __________

8. In a test containing 20 questions, 5 marks are given for any every correct answer and (-4) marks are given for every incorrect answer. A student attempts all questions but only 10 of his answers are correct. What is his total score?

9. Find a) 36 ÷ (-6)

b) -24 ÷ 3

10. Write and learn tables 2 to 20. SUBJECT :- SCIENCE

Q.1 What is photosynthesis? Explain the process of photosynthesis in the plants. Q.2 Draw a diagram of a section of leaf and label its various parts. Q.3 Draw a diagram of a pitcher plant to show the following parts :-i) pitcher ii) lid. Q.4 Draw a digestive system of ruminants. Q.5 What is tongue? Write its function.

Q.6 Draw a diagram of arrangement of teeth in human beings and label various types of teeth and write the function of each type of teeth.

Q.7 Write the steps for processing fibres into wool Q.8 What is sericulture? Q.9 Collect pictures of animals whose hair is used as wool in A4 size paper or chart

paper Q.10 Draw the diagram in chart paper :

a) life cycle of silk moth. b) Human digestive system.


1.Make the model any one topic

Interior earth

Volcano

Biosphere

Delhi sultans

Indian constitution feature

2.Every day write 5 news in holiday home work copy

3.Read and learn carefully social science first quarter chapter and notes

SUBJECT :- SANSKRIT


1- पढ़ारे् गए सभी पाठ ंके शब्ाथय ललखखए | 2- गृहकार्य में लकरे् गए सुधार ंक 5 बार ललखखए | 3- बालक शब् और लकम् शब् के रूप ललखखए |


1- बालक शब् और लकम् शब् के रूप र्ाद कीलजरे् | 2- सुभालितालन के सभी श्ल क र्ाद करें | 3- तीन ंपाठ ंके शब्ाथय र्ाद करें |

अन्यगलतलवलधर्ां–


पुखस्तका में कीलजरे् |

5- अपनी एक लदन लक लदनचर्ाय ललखखए| SUBJECT:- WE

1.What is deference between AC and DC .

2.Assemble a circuit having two bulbs controlled by one switch .

CALSS:-VIII

SUBJECT :- ENGLISH

1. Illustrate the various tense personal pronoun wise in the following types of sentences

with their Hindi translations.

a. affirmative

b. interrogative

c. 'wh' question

d. negative

e. negative interrogative

f. 'wh' negative sentences

2. Write three different paragraphs on topics of your interest.

SUBJECT :- HINDI

1. संज्ञा , सर्वनाम, वर्शेषण, क्रिया र् क्रिया-वर्शेषण की परिभाषा र् भेद उदाहिण सवहत विखना र् याद किना।

2. पाठ 1 से पाठ 5 तक के सभी पाठों को ध्यानपूर्वक पढ़कि प्रत्येक पाठ से पांच-पांच अवतरिक्त प्रश्न बनाकि उन प्रश्नों के उत्ति अभ्यास-पुवततका में विखना। 3. पाठ 1 से पाठ 5 तक के सभी पाठों में आए मुहार्िों को ढूूँढकि उनका अपने र्ाक्यों में प्रयोग किना। 4. सुिेख विखना ( कम से कम 10 पृष्ठ ) 5. अर्काश के विए प्राचायव जी को प्रार्वना-पत्र विखना र् याद किना। 6. अपने वमत्र को पिीक्षा में प्रर्म आने पि बधाई दनेे हते ुपत्र विखना। 7. वनम्न वर्षयों पि 150-200 शब्दों में वनबंध विवखए- ग्रीष्म ऋतु, मेिा वप्रय त्योहाि , जीर्न में पुततकों का महत्र्

SUBJECT:- MATHEMATICS

1 Represent the following rational numbers on the number line

(a)

2 Insert six rational numbers between (i)

3 Arrange the following numbers in descending order: .

4 A drum full of rice weight 4016 kg. If the empty drum weight 1334 kg, find the

weight of rice in the drum. 5 Raju earn Rs.16000/month. He spend of his income on food; of the remainder

on house rent and of the remainder on education of children. How much is still

left with him? 6 Check whether the LHS and RHS are equal for the given values of x.

(i) 8x-9 = 4x+5 for x= 2 (ii) 4(x-5) = 21 for x=11 7 Solve the following linear equations :

(i) 3x+5 = 14 (ii) y-3 =12 (iii) 2(x-5) = 15. 8 The perimeter of a rectangular swimming pool is 154 metres. Its length is 2 m more

than twice its breadth. What are the length and breadth of the pool? 9 Three consecutive integers are as such when they are taken in increasing order and

multiplied by 2 , 3, and 4 respectively they add up to 74. Find these numbers. 10 The age of Rahul and Haroon are in the ratio 5:7. Four years from now sum of their

ages will be 56 years. Find their present age. 11 Find the length of the diagonal of a rectangle whose length is 15 cm and breadth is 8

cm. 12 GOAL is a quadrilateral in which GO || AL. If

13 The ratio of two adjacent sides of a parallelogram is 5:4. Its perimeter is 18 cm then, what is the length of the adjacent sides.

14 In the below figure, ABCD is a quadrilateral. Find x

15 PQRS is a parallelogram and diagonals PR and SQ bisect at O. If PO = 3.5 cm and OQ

= 4.1 cm. What is the length of the diagonals. SUBJECT :- SCIENCE

Q. 1 How do we store crop grains?

Q. 2 Name the different types of festival related with the harvest season. why are they

celebrated?

Q. 3 Define animal husbandry?

Q. 4 Write about virus.

Q. 5 Where do microorganisms live?

Q. 6 How yeast is used in baking industry and in alcohol conversion?

Q. 7 What is nitrogen fixing?

Q. 8 Make a chart showing nitrogen cycle.

Q. 9 Make a chart showing disease in human beings, animals and plants. Also Their

causative microorganisms mode of transmission and preventive measures.

Q. 10 Make a table of different wastes and write whether it is biodegradable or not and

what is the time taken to degenerate.



Delhi sultans

Indian parliamentary system

Important dates modern history

Indian maps with states and union territory

2.Every day write 5 news in holiday home work copy


SUBJECT :- SANSKRIT


1- पुस्तक से क ईद शब् रूप ललखखए | 2- क ई द धातु रूप ललखखए | 3- पढ़ारे् गए पाठ ंके शब्ाथय एक बार ललखखए | 4- गृहकार्य में लकरे् गए सुधार ंक 5 बार ललखखए |


1- सुभालितालन के सभी श्ल क र्ाद करें | 2- क ई द शब् रूप र्ाद कीलजरे् | 3- क ई द धातु रूप र्ाद कीलजरे् | 4- पढारे् गए पाठ ंके शब्ाथय र्ाद कीलजरे् |




SUBJECT:- WE

1. What are safety devices in electrical system .

2. Make a circuit having fuse .

CALSS:-IX

SUBJECT :- ENGLISH

Q.1:You are Bhavna / Bhavesh. You have been recently selected as the captain of your

school cricket team. Express your feelings in the form of diary entry in about 100 words.

Q.2: Write an article on ‘ The benefits and harms of the computers.

Q.3:Write a story in about 150 words on the basis of the given outlines-

Hints: Loud music- party – neighbours disturbed – request to lower the volume – request unheard – fight – foul language exchanged – one injured – police --------------- Q.4: A new revised volume of Isaac Asimov’s short stories has just been released. Order one

set. Write a letter to the publisher ,Mindfame Private Limited, 1632 Aasif Ali Road, New

Delhi, requesting that a set to be sent to you by VPP and giving your Address.

SUBJECT :- HINDI

1. उपसगव र् प्रत्यय की परिभाषा उदाहिण सवहत विखकि र् कोई 10-10 उपसगव/प्रत्यय िगाकि तीन-तीन नए शब्द बनाइए।

2. गद्य खंड के पाठ 1 स ेपाठ 3 तक के सभी पाठों को में आए मुहार्िों को ढूूँढकि उनका अपने र्ाक्यों में प्रयोग किना।

3. अपनी वप्रय कोई सी एक पुततकको ध्यानपूर्वक पढ़कि उसकी समीक्षा विखें| (पुततक समीक्षा) 4. अपने मोहल्िे में फैिी गदंगी की समुवचत सफाई हतेु नगिपाविका अवधकािी को पत्र विवखए। 5.’जीर्न में पुततकों का महत्र्’ बताते हुए अपने वमत्र को पत्र विवखए। 6. वनम्न वर्षयों पि िगभग 200 शब्दों में वनबंध विवखए। पयावर्िण प्रदषूण, मोबाइि का बढ़ता प्रयोग,ग्रीष्म ऋतु


1 Find four rational numbers between

(i)

2 Represent on number line.

3 Classify the following numbers has rational or irrational

4 Find the sum and different of .

5 Construct .

6 Simplify (i) .

7 If

8 Write the degree of the polynomial ;- (

9 if , compute p(0)+p(1)+p(-1 .)

10 Show that (x- .

11 Factorise the following .

12 Find the value of k , if (x+k) is factor of .

SUBJECT :- SCIENCE

PHYSICS

1. Define acceleration and state its SI unit. For motion along a straight line, when do we

consider the acceleration to be (i) positive (ii) negative? Give an example of a body in

uniform acceleration.

2. Find the total displacement of the body from the following graph:

3. A car travels at 54 km/h for first 20 s, 36 km/h for next 30 s and finally 18 km/h for next

10 s. Find its average speed.

4. Define acceleration and give its SI unit. When is acceleration of a body negative? Give

two examples of situations in which acceleration of the body is negative.

5. Distinguish between uniform motion and non, uniform motion. Is uniformly accelerated

motion uniform motion? Give one example each of uniform and non-uniform motion.

6. The speedometer readings of a car are shown below. Find the acceleration of the car and

its displacement.

Time Speedometer

9:25 am 36 km/h

9:45 am 72 km/h

7. Define uniform circular motion and

give example of it. Why is it called

accelerated motion?

Chemistry

1. Write and learn 1 to 30 elements name and symbol.

2. Convert following into Kelvin scale-

i) 260C

ii) 2230C

iii) 2060C

iv) 31660C

v) 4260C

vi) 3230C

vii) 6060C

viii) 1660C

ix) 7360C

3.What types of clothes should we wear in summer?

4. Explain evaporation and factor affecting rate of evaporation.

5.Define- i) Sublimation ii) fusion iii) latent heat

BIOLOGY Q.1 State one feature that is similar and one feature that is dissimilar with respect to

mitochondria and plastids. Q.2 What do you mean by semiautonomous cell organelles? Q.3 Which cell organelle would you associate with elimination of old and worn out cells? Why? Q.4 Differentiate between

a) prokaryotic and eukaryotic cell b) plant and animal cell c) plasma membrane and cell wall

Q.5 Give the main function of each of the following cell structures a) plasma membrane b) mitochondria c) chloroplast d) lysosomes e) Golgi complex

Q.6 Draw any one diagram in chart paper: a) Plant cell b) Animal cell c) Prokaryotic cell d) Nucleus



Indian drainage system

Any topic Indian constitution

French revolution

Russian revolution

Indian mountains


3.Write a definition all aspect constitution words

SUBJECT :- WE

1.Make a list of objects needed for house wiring explain their working and draw diagram.

CALSS:- X

SUBJECT :- ENGLISH

Q.1: You are Prabhu Kumar/Parvati of I7E, Ravi Dass Road, Kochi. Write a letter in 100-120

words to the editor of a newspaper about the nuisance caused by loudspeakers in the city

during examination days drawing attention of the concerned authorities to the problem.

Q.2: You are Pratibha/Rahul of Class X. Write an article in 100-120 words on ‘Ill effects on

students of too much of television’. You can use the following clues :

– Increasing addiction

– A great variety of programmes

– Easy availability

– Neglect of studies

– Drop in academic performance

– Result – poor physical and mental health

Q.3: Write a story in 150-200 words with the help of the following outline : Tortoise and

hare – good friends – tortoise – known for his slow speed – hare has fast speed – makes fun

of tortoise – challenges him – referee selected – race starts – hare overconfident – takes a

nap – tortoise wins.

Q.4: Complete the story in 150-200 words which begins as the following : There was a joint

family of six members including grandparents. It was the 75th birthday of the grandmother

and the family planned to celebrate ... ...

Q.5: Write an article on ‘ A Library is good for all- the old and young’.

SUBJECT :- HINDI

1. गद्य खंड के पाठ 1 स ेपाठ 3 तक के सभी पाठों में आए मुहार्िों को ढूूँढकि उनका अपने र्ाक्यों में प्रयोग किें।

2. िचना के आधाि पि र्ाक्य-भेद विखते हुए कोई से 10 र्ाक्यों का आपस में र्ाक्य रूपांतिण किें। 3. अपनी वप्रय कोई सी एक पुततक को ध्यानपूर्वक पढ़कि उसकी समीक्षा विखें| (पुततक समीक्षा) 4. अपने क्षेत्र में आए क्रदन हो िही सड़क दरु्वटनाओं के प्रवत िोगों को जागरुक किने हतेु अपने क्षेत्र के प्रमुख समाचाि पत्र के संपादक को पत्र विवखए।

5.’जीर्न में खेिों का महत्र्’ बताते हुए अपने वमत्र को पत्र विवखए। 6. वनम्न वर्षयों पि िगभग 200 शब्दों में वनबंध विवखए। पयावर्िण प्रदषूण, मोबाइि का बढ़ता प्रयोग,ग्रीष्म ऋतु


CHAPTER 1: REAL NUMBERS

LEVEL-1

1. Use Euclid’s division algorithm to find the HCF of 105 and 120 (Ans.15)

2. Find the prime factorization of 234. ( )

3. Find the LCM and HCF of the pair of integers 13,11 (Ans. 1, 143)

4. Find the LCM and HCF of the pair of integers 510, 92 using fundamental theorem of arithmetic.

5. Find the missing number in the following factorization.

6. If the LCM (91, 26) =182, then find the HCF (91, 26). (Ans. 13)

7. Find the LCM (96,408) if the HCF is 24. (Ans.1632)

8. Without actual division, state where the rational number is a terminating

decimal expansion or non- terminating decimal expansion.

9. Show that will have terminating decimal expression.

10. .State where ( ) is rational or not.

11. Find LCM of 72, 80, and 120. (Ans.720 ,)

12. Prove that is irrational.

13. The decimal expansion of a real number is 23.123456. If it is expressed as a

rational number in the form of , write the prime factors of q. (Ans: )

14. Find the largest number which divides 245 and 1029 leaving remainder 5 in each case. (Ans.16)

15. Use Euclid’s division algorithm to find the HCF of196, 38220. (Ans.196)

LEVEL-2

16. LCM of two numbers is 2079and HCF is 27.If one number is 297, find the other number. (Ans: 189).

17. Explain why a composite number.

18. Find the LCM and HCF of the pair of integers 120, 70. Also verify that LCM x HCF=product of numbers.

19. After how many decimal places the decimal expansion of the rational number

will terminate.(Ans 3)

20. Check whether can end with the digit 0.

21. Prove that is divisible by 2 for every positive integer.

22. Show that any positive odd integer is of the form 4q+1or 4q+3, where q is an integer.

23. What is the smallest number which when divided by 35, 56, 91, leaves the remainder 7 in each case.(Ans: 3647).

2

17

7

2

2

24. If d is the HCF of 45 and 27 find x and y satisfying d=27x+45y. (Ans: x=2,y= -1) 25. Using prime factorization method, find HCF and LCM of 72,126and168.Also show

that HCF LCM product of the three numbers.

26. In a school there are two sections A and B of class X. There are 48, 60 students in two sections respectively. Determine the least number of books required for the

library so that the books can be distributed equally among the students.(Ans: 240 )

27. Prove that 5+7 is an irrational number

LEVEL- 3

28. For some integer m, what is the form of every even integer. ( Ans: 2m) 29. For some integer q, what is the form of every odd integer (Ans:2q+1)

30. If two positive integers p and q can be expressed as p = and q = b; a, b being

prime numbers, Find the LCM (p, q) .(Ans: )

31. Using Euclid’s division algorithm, find which of the following pairs of numbers are co-prime: (i) 231, 396 (ii) 847, 2160

32. Show that the square of an odd positive integer is of the form 8m + 1, for some whole number m.

33. Show that the square of any positive integer cannot be of the form 5q + 2 or 5q + 3 for any integer q.=2

34. If n is an odd integer, then show that – 1 is divisible by 8.

35. Using Euclid’s division algorithm, find the largest number that divides 1251, 9377 and 15628 leaving remainders 1, 2 and 3, respectively.

CHAPTER 2: POLYNOMIALS

LEVEL – 1

1. If p(x) = 2 – 3x + 5, then find p (–1). (ans :10)

2. Find the zero of the polynomial 3x + 2.

3. The following figure shows the graphs of y = p(x), where p(x) is a polynomial. Find the zeroes of the polynomial.

4. Find the zeroes of the polynomial 2 ( )

5. Find the quadratic polynomial whose roots are and

( )

6. If one zero of 2 – 3x + k is reciprocal to the other, then find the value of k (ans: k=

2)

7. Find a quadratic polynomial whose sum and product of roots are 2, .

( Ans :(5 )

8. If are the zeroes of the quadratic polynomial , find the value of a

If (Ans: -16)

9. Divide the polynomial by .

10. Is x+2 a factor of 2 .

LEVEL-2

11. If are the zeroes of the polynomial find the value of k. (Ans:

k=8)

12. The graph of y = f(x), where f(x) is a polynomial in x is given below .Find the number

of zeroes lying between –2 to 0.

13. Show that 1, –1 and 3 are the zeroes of the polynomial – 3 – x + 3.

14. If (x + a) is a factor of 2 + 2ax + 5x + 10, find a. (ans: a=2)

15. If the polynomial is divided by the polynomial

l and the remainder is ax +b, find the value of a, b. (Ans: a=1 , b=2)

16. If α and β are the zeroes of the quadratic polynomial f(x) = – 5x 6 then find the

value of

(Ans : -31) LEVEL-3

17. Find all the zeroes of the polynomial ,if two of its zeroes

are

,- . (Ans. 1, )

18. What must be added to so that the resulting

polynomial is exactly divisible by . (ans.10-14x.)

19. Find the values of a, b so that is divisible by

. (Ans.a=1, b=7)

20. Divide by and verify division algorthim.

21. Find the zeroes of and verify the relation between the zeroes

and coefficients of the polynomial.

22. If the zeroes of the polynomial are a-b, a, a+ b, find a, b

(a=1,b= )

CHAPTER 3: LINEAR EQUATION IN TWO VARIABLES

LEVEL-1

1. Show that the pair of equations 2x-3y=6, x + y=1. has a unique solution.

2. Show that the pair of equations 2y=4x-6, 2x=y+3, has infinite solutions.

3. For what value of k, 2x+3y=4, (k+2) x+6y=3k+2 will have infinitely many

solutions. (Ans.k=2)

4. Is the pair of equations : x+2y-4=0,

2x+4y-2=0 consistent.

5. Solve algebraically the pair of equations:

2 x-y=5,

3x+2y=11 .(Ans .x=3 ,y=1)

6. Solve by the method of cross multiplication the pair of equations:

2 x +3y +8=0

4x +5y +14=0 ( Ans: (-1, -2) )

7. Solve graphically the pair of equations:

2x + y = 6

2x – y + 2 = 0.

8. Solve the following system of equations graphically and from the graph, find the

points where these lines intersect the y-axis:

x– 2y = 2,

3x + 5y = 17.

9. Solve the following system of equations graphically and find the vertices of the

triangle formed by these lines and the x-axis :

4x– 3y + 4 = 0,

4x + 3y – 20 = 0.

10. Solve graphically: x – y = 1

2x + y = 8.

Shade the region bounded by these lines and y-axis. Also find its area.

11. Draw the graph of the equations x = 5, y= 4. Also find area of rectangle so

formed by

these lines x-axis and y-axis.

LEVEL-2

12. If 2x-3y=7 and (a +b)x - (a+b-3)y=4a+b have infinite solution, find a, b Ans. (-

5,1)

13. Solve:

ax-by = . (Ans:x=a, y=b)

14. Solve: 23x+29y=98

29x+23y=110. ( Ans. x=3,y=1).

15. Solve: 152x -378y=-74

-378x+152y=-604

16. The sum of the digits of a two digit number is 12. The number obtained by

interchanging

the two digits exceeds the given number by 18. Find the number.

( Ans: 57)

17. The monthly incomes of A and B are in the ratio of 5 : 4 and their monthly

expenditures

are in the ratio of 7 : 5. If each saves Rs. 3000 per month, find the monthly income of each.

(Ans: Rs.10000 ,Rs.8000)

18. A part of monthly hostel charges is fixed and the remaining depends on the number

of days one has taken food in the mess. When a student Atakes food for 20 days, she

has to pay

Rs. 1000 as hostel charges whereas a student B, who takes food 26days, pays Rs

1180 as hostel charges. Find the fixed charges and the cost of the food per day.

( Ans: .x=Rs.400,y=Rs 30.)

19. Father’s age is 3 times the sum of ages of his two children. After 5 years his age will

be twice the sum of ages of the two children. Find the age of father

( Ans: 45)

20. Two numbers are in the ratio 5 : 6. If 8 is subtracted from each of the numbers, the

ratio becomes 4 : 5. Find the numbers.

(Ans: 40,48)

21. If 4 times the area of a smaller square is subtracted from the area of a larger square,

the result is 144 m2. The sum of the areas of the two squares is 464 m2. Determine

the sides of the two squares

(Ans: Side=8m)

LEVEL-3

22. Solve:

( Ans:x=7 , y=13)

23. Solve:

(Ans: x=3, y=2)

24. Solve: (Ans: x=1 , y=1)

25. In the figure, ABCD is a rectangle. Find the values of x and y.

(Ans:x=16,y=6)

26. In the figure, ABCD is a parallelogram. Find the values of x and y.

(Ans:x=7,y=2)

27.The taxi charges in a city consists of a fixed charge together with the charge for the

distance covered. For a distance of 10 km, the charge paid is Rs. 105 and for journey of 15

km the charge paid is Rs. 155. What are the fixed charges and the charges per km?

(Ans:Fixed charge=Rs.5 ,Charge per km=Rs.10 )

28.Nine times a two-digit number is the same as twice the number obtained by interchanging

the digits of the number. If one digit of the number exceeds the other number by 7, find the

number. (Ans: no.=18)

29.A man travels 370 km partly by train and partly by car. If he covers 250 km by train and

rest by car, it takes him 4 hours. But if he travels 130 km by train and rest by car, he takes 18

minutes longer. Find the speed of the train and that of the car.(Ans: speed of the

train=100km/hr,speed of the car =80km/hr)

30.A boat goes 12 km upstream and 40 km downstream in 8 hours. It goes 16 km upstream

and 32 km downstream in the same time. Find the speed of the boat in still water and the

speed of the stream. (Ans: 6km/hr, 2km/hr)

SUBJECT :- SCIENCE

PHYSICS

Numerical based on mirror

Q.1 the radius of a spherical mirror is 20 cm. What is its focal length?

Q.2 name the mirror that can give An erect and enlarged image of an object.

Q.3 why do we prefer a convex mirror as a rear view mirror in vehicles?

Q.4 concave mirror produces three times magnified real image of an object placed at a

distance of 10cm in front of it where is the image located.

Q.5 the image formed by a concave mirror is observed to be virtual erect and larger than the

object. where should be the position of the object?

Q.6 no matter how far you stand from a mirror your image appears erect .the mirror is likely

to be of which type?

Q.7 we wish to obtain an erect image of an object using a concave mirror of focal length 15

centimetre . what should be the range of distance of the object from the mirror ? what is

the nature of the image ?Is the image larger than the object ? draw ray diagram to show the

image formation in this case.

Q.8 An object is placed at distance of 10 centimetres from a convex mirror of focal length 15

centimetre. find the position and nature of the image.

Q.9 the magnification produced by a mirror is +1. what does it mean?

Q.10 an object 5 cm in length is placed at a distance of 20 CM in front of a convex mirror of

radius of curvature 30cm. Find the position of the image, its nature and size.

Q.11 an object of size 7 centimetre is placed at 27cm in front of a concave mirror of focal

length 18 cm. at what distance from the mirror should a screen be placed so that a sharp

focused image can be obtained ?find the size and the nature of the image.

Questions related to the refraction and lens

Q. 1 A ray of light travelling in air enters. Obliquely into water. Does the light ray bend

towards the normal or away from the normal.? Why?

Q. 2 light enters from air to glass having refractive index 1.5. what is the speed of light in the

glass the speed of light in vacuum is 3×108 metre per second

Q. 3 find out from table 10.3 the medium having highest optical density also find the

medium with lowest optical density.

Q. 4 from above table find out in which medium the light travel fastest.

Q. 5 The refractive index of diamond is 2.42 what is the meaning of this statement?

Q. 6 define 1 dioptre of power of lens.

Q. 7 convex lens forms a real and inverted image of a needle at a distance of 50 cm from it.

where is the needle placed in front of the convex lens if the image is equal to the size of the

object. also find the power of the lens.

Q. 8 find the power of a lens of focal length 2 metre.

Q.9 which one of the following materials cannot be used to make a lens

Water

Glass

Plastic

Clay

Q. 10 where should an object be placed in front of a convex lens to get a real image of the

size of the object?

Q.11 which of the following lenses would you prefer to use while reading small letter found

in a dictionary

a convex lens of focal length 50 centimetre

a concave lens of focal length 50 cm

a convex lens of focal length 5 cm

A concave lens of focal length 5 cm

Q. 12 one half of a convex lens is covered with the black paper. will this lens produce a

complete image of the object? verify your answer experimentally. explain your observation.

Q. 13 an object 5 cm in length is held 25cm away from a converging lens of focal length 10

cm. draw the ray diagram and find the position, size and nature of the image formed.

Q. 14 concave lens of focal length 15 centimetre forms an image 10 cm from the lens. how

far is the object placed from the lens. draw a ray diagram.

Q. 15 find the focal length of a lens of power - 2.0 diaper. what type of lens is this.?

Q. 16 a doctor has prescribed a corrective lens of power + 1.5 diopter find the focal length of

the lens. is the prescribed lens diverging or converging.

Chemistry

1. Write and learn 1 to 50 elements of periodic table with their symbol.

2. Write a notes on indicator used for acids and bases . ( About 100 words)

3. Explain corrosion and rancidity with various examples. ( about 100 words)

4. Write any 20 balanced chemical reaction and identify types of chemical reaction.

5. Explain exothermic and endothermic reaction with five example.

6. Make a chart on any one activity of chapter 1 or 2.

7. Solved five sample paper of chapter 1 chemical reactions and equations.

BIOLOGY

Q.1 Draw any one diagram in chart paper : a) Human heart b) Excretory system

Q.2 Draw a flowchart to show the breakdown of glucose by various pathways. Q.3 Explain with the help of neat and well labelled diagrams the different steps involved in the

nutrition in Amoeba. Q.4 Explain the process of digestion of food in mouth, stomach, and small intestine in human

body. Q.5 Explain the various parts of human respiratory system and its function. Q.6 Describe the structure and functioning of nephron.


1.DRAW A MAP ANY ONE CHAPTER

ALL GEOGRAPHY CHAPTERS MAP

NATIONAL IN INDIA

2.Read and learn carefully social science first quarter chapter and notes , Write summary

3.Write a definition all aspect constitution words

WRITE PREVIOUS YEAR QUESTION PAPER WITH SOLUTION IN YOURCLASS SUB NOTEBOOK

SUBJECT :- WE

1. Draw block diagram of thermal power station and explain its working.

CALSS:-XII

SUBJECT :- ENGLISH

1. Draft the following on the topic of your choice.

a. advertisement

B. notice

c. poster

d. invitation

e. reply to the invitation accepting

f. reply to the invitation denying

2. Read a book of your interest and write down the following

a. note making

b. summary writing

3. Write down Passive Voice of present tense with their Hindi translations in the following

types of sentences

a. affirmative

b. interrogative

c. 'wh' question

d. negative

e. negative interrogative

f. 'wh' negative sentences

SUBJECT :- HINDI

1. गद्य खंड के पाठ 1 स ेपाठ 3 तक के सभी पाठों में आए मुहार्िों को ढूूँढकि उनका अपने र्ाक्यों में प्रयोग किें।

2. वनम्नविवखत वर्षय पि िगभग 150 शब्दों फीचि विवखए- बच्चों में हीन भार्ना कैसे दिू किें| 3. अपनी वप्रय कोई सी एक पुततक को ध्यानपूर्वक पढ़कि उसकी समीक्षा विखें| (पुततक समीक्षा) 4. अपने मोहल्िे में िावत्र में पहिे का उवचत प्रबंध किाने के विए अपने क्षेत्र के र्ाना प्रभािी को पत्र विवखए।

5.दिूदशवन के महा वनदशेक को दिूदशवन कायविमों की समीक्षा किते हुए पत्र विवखए।

6. वनम्नविवखत वर्षयों पि िगभग 200 शब्दों में वनबधं विवखए। प्राकृवतक आपदाएूँ औि उनका प्रबंधन , मोबाइि : िांवत या वर्नाश


CHAPTER :-1 RELATIONS AND FUNCTIONS 1.On the set {0, 1, 2, 3, 4, 5, 6}, a binary operation * is defined as

:

Write the operation table of the operation * and prove that zero is the identity for this operation and each element a ≠ 0 of the set is invertible with 7 – a being the inverse of a. 2.Let A = { –1, 0, 1, 2}, B = { – 4, – 2, 0, 2} and f, g : A → B be functions defined by f(x)

= x2– x, x A and g(x) = 2 |x –1/2| – 1,x A.Findgof (x) and hence show that f = g = gof . 3.Consider given by f(x) = 5x2 + 6x – 9. Prove that f is invertible with

4.A binary operation * is defined on the set x = R – { – 1 } by x * y = x + y + xy, x, y

X.

Check whether * is commutative and associative. Find its identity element and also find the

inverse of each element of X.

5.If the function f : R → R be defined by f(x) = 2x – 3 and g : R → R by g(x) = x3+ 5, then

find the value of (fog) -1(x).

6 Let A = Q × Q, where Q is the set of all rational numbers, and * be a binary operation

defined on A by (a, b) * (c, d) = (ac, b + ad), for all (a, b) (c, d) A. Find (i) the identity

element in A. (ii) the invertible element of A.

CHAPTER :-2 INVERSE TRIGONOMETRIC FUNCTIONS

7..If tan–1a + tan–1b + tan–1c = then prove that a + b + c = abc . 8 .Prove that tan-1[(a – b)/(1+ab)] + tan-1[(b – c)/(1+bc)] + tan-1[(c – a)/(1+ca)] = 0, a,b,c> 0. 9 .Prove that tan-1[(a cosx – b sinx)/(acosx + bsinx)] = tan-1(a/b) – x . 10.Solve for x, cos-1[(x2 -1) / (x2 + 1)] + (1/2) tan-1 [(-2x) / (1-x2)] = 2

CHAPTER :-3 MATRICES

11.Find the inverse of matrix A = by using elementary operations .

12.Express A = as the sum of symmetric and skew symmetric

matrix.

13.If A = when A + AT = I2.

14 If A = then prove that An = nN.

15 If A= then show that A3 – 23A – 40 I3 = O.

SUBJECT :- PHYSICS

Q. 1 Revise chapter 1,2, 3 and solve the numerical problems given in the exercise of

respective chapters.

Q. 2 Do the following activities -

To observe refraction and lateral deviation of a beam of light incident obliquely on

a glass slab.

To observe diffraction of light due to a thin slit.

Q. 3.Draw the shapes of the suitable Gaussian surfaces while applying Gauss’ law to

calculate the electric field due to

(i)a uniformly charged long straight wire.

(ii)a uniformly charged infinite plane sheet .

Q.4 State Gauss’ law in electrostatics. Using this law, derive an expression for the electric

field due to a uniformly charged infinite plane Sheet.

Q. 5Two point charges having equal charges separated by 1m distance experience a force of

8 N. What will be the force experienced by them if they are held in water at the same

distance? (Given, Kwater = 80)

Q. 6Two identical metallic spherical shells A and B having charges + 40 and -10Q are kept a

certain distance apart. A third identical uncharged sphere C is first placed in contact with

sphere A and then with sphere B, then spheres A and B are brought in contact and then

separated. Find the charge on the spheres A and B.

Q. 7 An electric dipole moment p is held in a uniform electric field E.

(i)Prove that no translation force acts on the dipole.

(ii)Hence, prove that the torque acting on the dipole is given by pEsino indicating the

direction along which it acts

Q. 8 Two cells of emf 2E and E and internal resistances 2r and r respectively, are connected

in parallel. Obtain the expressions for the equivalent emf and the internal resistance of the

combination.

Q. 9 With the help of circuit diagram, explain how a potentiometer can be used to compare

emf of two primary cells?

Q. 10 State the underlying principle of a potentiometer. Describe briefly, giving the

necessary circuit diagram, how a potentiometer is used to measure the internal resistance

of a given cell?

Q. 11 State Kirchhoff’s rules for an electric network. Using Kirchhoff’s rules, obtain the

balance condition in terms of the resistances of four arms of Wheatstone bridge.

Q. 12 State with the help of a circuit diagram, the working principle of a meter bridge.

Obtain the expression used for determining the unknown resistance.

SUBJECT :- CHEMISTRY

Subject - Chemistry

1. A solution of 2.8 g CdI2( molar mass = 364g mol-1) in 20 g water has elevation in

boiling point of 0.200 . What is molecular state of CdI2 in aqueous solution?

(Kb(H2O) =0.52 K mol-1 Kg).

2. 1 molal aqueous urea solution boils at 100.520C. What is boiling point of

(a) 1 molalKCl solution which is 100% ionized.

(b) 1 molal potassium ferricyanide solution which is 50 % ionized?

3. 12.2g of benzoic acid in 100 g of benzene shows a depression in freezing point equal

to 2.45 K. molal depression constant for benzene is 4.9 K kg mol-1. What is the

percentage of dimer formation of benzoic acid?

4. 0.5dm3 of an aqueous solution of a protein contains 1.20 g of the protein. The

osmotic pressure of such a solution at 300 K is found to be 2.00 X 10-3 bar. Calculate

molar mass of the protein.

5. A solution containing 8.6 g dm-3 of urea was found to be isotonic with a 5% solution

of an organic non-volatile solute (A) . Calculate molar mass of the solute (A)

.assuming isothermal condition.

6. 45 g of ethylene glycol (C2H6O2) is mixed with 600 g of water . Calculate

(a) The freezing point depression

(b) The freezing point of solution

7. What is depression in freezing point of a solution of non- electrolyte if the elevation

in boiling point is 0.520? Kb= 0.52 K mol-1 kg , Kf= 1.86 K mol-1 kg

8. What mass of sucrose would you dissolve in 1500 g aqueous solution to make 1

molal solution?

9. At 298 K , specific conductance of distilled water is 58.0 X 10-7 Sm-1 and limiting ionic

conductance of H+ and OH- ion are 349.8X10-4 and 198.5X10-4 Sm2 mol-1. Respectively

. Calculate ionic product of water.

10. A constant current of 30 A is passed through an aqueous solution of NaCl for a time

of 1 hour. How many grams of NaOH are produced ? What is volume of Cl2 gas at STP

produced?

11. Explain Primary and secondary battery with chemical reaction.

12. Explain Vant’s Hoff factor with examples.

13. Revise basic concepts of class XI chemistry –

I) IUPAC Nomenclature related to functional group.

II) Inductive effect

III) Resonance effect

IV) Ortho –para and mata directing groups

V) Hybridization

VI) Periodicity of elements

14. Revise name reaction of class XI chemistry. (Any Five)

SUBJECT :- BIOLOGY

Q.1 Draw a diagram of typical anatropous ovule. Q.2 Draw a diagram of mature embryo sac.

Q.3 Draw a diagram of female reproductive system. Q.4 Draw a diagram of front view of male reproductive system. Q.5 Write the function of placenta. Q.6 Draw the diagram of human foetus within the uterus.

SUBJECT :- IP

Cyber Crime and Ethics and Security

1 Write the Difference between the Open source and Open Data.

2 What is Plagiarism? Explain.

3 What is Cybercrime? What terms will come under cybercrime?

4 What is IT Act 2000? Explain

5 How Technology and Society are related and what are the issues related with both, Explain?

6 What is E-waste? Explain the proper method of disposal of e-waste?

7 Explain the following:

a. Identity Theft

b. Biometrics

8 What are the gender and disability issues while teaching and using computers?

9 Explain the following terms :

a. Crowdsourcing

b. Smart mobs

10 What is echo chamber? Explain.

11 What do you understand Wikileaks?

12 What is online fraud?

13 What is Secure data transmission ? What technical ways are used to ensure the secure data

transmission?

14 Expend the following terms

OSS

SDLC

GNU

FLOSS

15 How is net Neutrality ? Do India impose Net Neutrality?

16 How many bitcoins have been issued so far? How many bitcoins can exist in total?

17 Who is the founder of WikiLeaks?

18 Which countries are associated with arab spring?

19 Explain OSS , Freeware and Free software.

20 How you can protect your digital properties ?

Introduction to software Engineering

1 What does software engineering contributes towards the cost , scalability and quality of software?

2 What are the qualities of good software?

3 What is software process?

4 What are software process activities?

5 What is software verification and validation?

6 What is waterfall model?

7 What are advantages and disadvantages of water fall model?

8 What is V-Model?

9 Suggest the type of systems for which you will recommend spiral model.

10 What is spiral development mode?

11 Describe the evolutionary model?

12 Describe the component based model?

Agile Methods and Practical Aspects of Software Engineering

1 Who are the driver and the navigator in a pair programming team?

2 Define the following terms

Sprint

Srcum master

Sprint review

3 What is pair programming ?

4 What a short note on ‘GIT’?

5 Differentiate between commit/update and push/pull requests.

6 What is VCS? Describe types of VCS?

7 What is a use-case diagram? How is it useful?

8 What is Agile Manifesto?

9 What is scrum? How does it work?

10 In the context of use-case diagrams. Define the following:

Actor

Use-case

System

Relationship

Include relationship

Extend relationship

Download - CALSS:- VI SUBJECT :- ENGLISH - KV-Burhanpur...CALSS:- VI SUBJECT :- ENGLISH 1. Write down the different parts of speech and their kinds with definitions of your own and 10 examples

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