HOLIDAYS’ HOMEWORK(2017-18)

CLASS 11

ENGLISH

Q1. Read the novel ‘ The canterville Ghost ‘ and write its summary ?

Q2. Name all the character of the novel ‘ The canterville Ghost ‘ and draw the character sketch of the following :-

a) Mr. Otis

b) Washington

c) Virginia

d) Star and Stripes

e) The Ghost

Q3. Read the chapter ‘The Ailing Planet ‘ from HornBill?

Q4. write the four biological systems of the Earth and explain them?

Q5. Write an article on ‘save Earth’ and draw a poster also?

Q6. Write your views on role media and social media in today’s World ?

MATHS Q1. Which of the followings are sets ?

(i) The collection of all short boys of your class

Q2. Let A = { 2, 4, {6, 8} 10 } insert the symbol or

(i) {6, 8} A

Q3. Write in set Builder form.

(i) A = { 1, 3, 32, 33, }

(ii) D = 1,1

2,

1

3,

1

4,

1

5

Q4. Write all the subsets of the following .

(i) E =

(ii) G = { 5 , { 7 , 8 } }

Q5. If A = { a , b , c , d , e , f } , B = { c , e , g , h } and C = { a , e , m , n } . find. all of following when ℧ = set of all

alphabets.

(i) ( A B ) C

(ii) ( A B ) ( B C )

(iii) ( A B ) C

(iv) ( A – B )

(v) A – ( B C )

(vi) ( A – B ) ( B – A )

(vii) A ( B – C )

(viii) ( A C )’

Q6. Draw Venn diagrams to represents of sets

(i) A – ( B C )

(ii) ( A – C ) ( B – C )

(iii) ( A B )’

(iv) B’ A’

Q7. In a class of 35 students, 15 study Economics, 22 study Business Studies and 14 study Advance

Accountancy. If 11 students study both Economics and Business studies, 8 study both Business studies and

Advanced Accountancy and 5 study both Economics and Advanced Accountancy and if 3 study all the three

subjects. Find how many students of the class are not taking any of these subjects.

Q8. Prove that

(i) ( A B ) C = A ( B C )

(ii) ( A – B ) B =

Q1. List all the element of the set A = { x : x is an integer x2 ≤ 4}

Q2. From the sets given below pair the equivalent sets.

A = { 1, 2, 3}, B = {x, y, z, t}, C = {a, b, c} D = {0, a}

Q3. Write the following as interval

(i) {x : x ∈ R, – 4 < x ≤ 6}

(ii) {x : x ∈ R, 3 ≤ x ≤ 4}

Q4. If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15}

Find (A ∩ B) ∩ (B ∪ C)

Q5. Write the set 1

3 ,

3

5 ,

5

7,

7

9 ,

9

11 ,

11

13 in set builder form.

Q6. In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only and

not cricket? How many like tennis?

Q7. Let A, B and C be three sets A ∪ B = A ∪ C and A ∩ B = A ∩ C show that B = C

Q8. If ∪ = {a, e, i. o. u}

A = {a, e, i}

And B = {e, o, u}

C = {a, i, u}

Then verity that A ∩ (B – C) = (A ∩ B) – (A ∩ C)

Q9. In a town of 10,000 families, it was found that 40% families buy newspaper A, 20% families buy

newspaper B and 10% families buy newspaper C. 5% families buy A and B, 3% buy B and C and 4% buy

A and C. If 2% families buy all the three papers. Find the no. of families which buy

(i) A only (ii) B only (iii) none of A, B, and C.

Q10. Two finite sets have m and n elements. The total no. of subsets of the first set is 56 more than the total

no. of subsets of second set. Find the value of m and n.

Q11. Let 𝑅 = 𝑥 , 𝑦 ∶ 𝑦 = 𝑥 + 1 and 𝑦 ∈ 0, 1, 2, 3, 4, 5 list the element of R

Q12. Let f be the subset of Q Z defined by

𝑓 = 𝑚

𝑛 , 𝑚 ∶ 𝑚𝑛 ∈ 𝑍 , 𝑛 ≠ 0 , Is f a function from Q to Z ? Justify your answer

Q13. The function `f ′ which maps temperature in Celsius into temperature in Fahrenheit is defined by

𝑓 𝑐 =9

5𝑐 + 32 find 𝑓(0)

Q14. If 𝑓 𝑥 = 𝑥3 −1

𝑥3 Prove that 𝑓 𝑥 + 𝑓 1

𝑥 = 0

Q15. If 𝑦 =6𝑥 − 5

5𝑥 − 6 . Prove that 𝑓 𝑦 = 𝑥, 𝑥 ≠

6

5

Q16. Let f : X Y be defined by 𝑓 𝑥 = 𝑥2 for all 𝑥 ∈ X where X = {–2 , –1 , 0 , 1 , 2 , 3} and

y = { 0,1, 4, 7, 9,10} write the relation f in the roster farm. It f a function?

Q17. Determine a quadratic function `f ′ defined by

𝑓 𝑥 = 𝑎𝑥2 + 𝑏𝑥 + 𝑐 𝑖𝑓 𝑓 0 = 6, 𝑓 2 = 11 𝑎𝑛𝑑 𝑓 −3 = 6

Q18. Find the domain and the range of the function f defied by 𝑓 𝑥 =𝑥 + 2

𝑥 + 2

Q19. Find the domain and the range of 𝑓 𝑥 =𝑥2

1 + 𝑥2

Q20. A = {1, 2, 3} , B = {1, 2, 3, 4} . and

If R = { (x , y) : (x , y) ∈ A B , y = x + 1 } then

(i) find A B (ii) write domain and Range

Q21. Define polynomial function. Draw the graph of 𝑓 𝑥 = 𝑥3 find domain and range

Q22. (a) If A, B are two sets such that 𝑛 𝐴 𝐵 = 6 and some elements of A B are (–1, 2) , (2, 3), (4, 3) ,

than find and A B and B A

(b) Find domain of the function 𝑓 𝑥 =1

𝑥 + 𝑥

CHEMISTRY

Q1. How many significant figures are there in each of the following no.s?

i. 6.200

ii. 7.5 X 104

iii. 0.052

iv. 0.00050

Q2. A piece of metal is 3 inch (represented by in) long. What is the length in cm?

Q3. A jug contains 2L of Milk. Calculate the volume of milk in m3.

Q4. What is the mass of

i. 1 mole of water

ii. 0.5 mole of CO2

iii. 2.5 mole of CL2

Q5. Calculate the no. of moles in each of the following mounts of materials:

i. 10.0g of CaCO3

ii. 1 X 1023 molecules of CO2

Q6. What is the mass percent of the solute in the solution obtained by dissolving 5g of solute in 50g of water?

Q7. A sample of NaOH weighing 0.40g is dissolved in water and the solution is made to 50.0 cm3 in volumetric flask.

What is the molarity of resulting solutions?

PHYSICS

Q1. Discuss relation of physics with science.

Q2. The fate of society is limited to the development of physics. Explain.

Q3. Explain the electromagnetic nature of contact forces between the bodies.

Q4. Electromagnetic force is larger than gravitational force. Give an example. From daily life to illustrate it.

Q5. What length mass and time are choosen as base quantities in the mechanics.

Q6. What is a physical unit ?

Q7. Express parsec in light years.

Q8. Can a quantitiy have dimensions but still have no units. Q9. A physical quantity X is

related as

The percentage error in the measurement of a,b,c,d are 1%, 2%, 3%, 4% respectively.

What % error in X if above result is calculated is 2.763, then what value you round off the result.

Q10. If velocity of light C, Plank’s constant ‘h’ and gravitational constant ‘G’ taken as fundamental quantities

then express mass, lengths, time in terms of these quantities.

Q11. If units of force, energy and velocity are 20N, 200 Joule and 5ms-1. Find units of length, mass and time.

Q12. Check

Where ν = frequency of vibration, l = length of string,

T = tension of string,

M = Mass per unit length

Q13. Assuming that ‘M’ of the largest stone that can be moved by a flowing river depends upon velocity ‘v’

density of water ‘ ’ and accerleration due to gravity ‘g’. Show M varies with sixth power of velocity of flow.

Q14. The mass and radius of earth are 5.975x1024 kg and 6.37x106 m respectively. Calculate earth’s

density to correct significant figure.

Q15. If the error involved in the measurement of side and mass of cube are 3% and 4% respectively. Find

maximum permissible error in the density of material

Note : Revise chapters 1 and 2

BIOLOGY

1. Distinguish between the following:

Museum and zoological park

Growth and development

Two system classification and binomial nomenclature

Phototrophic bacteria and chemotrophic bacteria

Chrysophytes and dinoflagellates

Sporophyte and gametophyte

Virus and viriods

2. Define:

Taxonomy

Systematics

Nomenclature

Key

Biodiversity

Metabolism

5 system classification 3. Expand:

ICBN

ICZN

TMV

RNA

DNA

PPLO

AIDS 4. Write short notes on the following:

Mycoplasma

Protista

True bacteria

Lichen

Mycorrhizae

Shapes of bacteria 5. Write a detailed note on taxonomic aids.

COMPUTER SCIENCE

1. What are the different types of computers? Paste their pictures with description. 2. Why RAM is known as destructive write memory? Expain with example. 3. Mention some features of various generations of computer and also paster pictures of computers associated with each generation. Highlight the innovations of each generation. 4. Create a chart showing input output and memory devices of computer in A$ size sheet and paste in your homework notebook. 5. Search for the advancement in technology and create a powerpoint presentation showing various advancements, their benefits and utility. (atleast 10 slides) 6. Create poster on any one of the following topic: • Save water • Honour killing • Social evils • Digital INDIA • global warming

PHYSICAL EDUCATION

NOTE: DO IN PHYSICAL EDUCATION FILE

Two games of students choice

1. Games history

2. Latest rules for the games

3. Fundamental skills

4. Dimension for ground/court

Athletics

1. All track & field events

Standard athletic track (400M)