BHAI PARMANAND VIDYA MANDIR Class X, Holidays Homework (2016-17)

ENGLISH

1. Read all of the following novels and write critical analysis of anyone on an A4 sheet placed in a

folder. Discussions will be held on all the novels in the class.

a) White Tiger (Arvind Adiga)

b) Freedom is Not Free (Shiv Khera)

c) The Alchemist by Paulo Coelho

d) The Adventures of Huckleberry finn (Mark Twain)

e) Kim (Rudyard Kipling)

2. Prepare charts on the following topics according to the roll no and prepare topic to teach/

present in the class.

Determiners (Roll No 1-8)

Parts of speech (Roll No 9-16)

Forms of Verbs (Roll No 17-24)

Reported speech (Roll No 25-32)

Active and passive voice (Roll No 33-40)

3. Complete the following units in the workbook itself:

a) Reported speech c) Tenses

b) Subject Verb Agreement

4. Read the novel ‘The Story of My Life’ (Chapter 1-14) and answer the following questions in a

separate register in 150-200 words.

a) What role did Miss Anne Sullivan play in Helen’s life?

b) Before Anne Sullivan arrived, what strategies were used by Helen’s family members in order to

communicate with her?

c) How did the first Christmas event prove out to be a great event? Which remarkable gift was

received by Helen on this day and what happened to it?

d) Describe Helen’s feelings when she reached Perkins Institute for the blind.

e) Describe Helen’s trip to Baltimore. How was her journey to Boston different from this trip?

f) How did Helen learn that nature is not always kind? What made her come out of her fear of

climbing trees?

g) What was the controversy relating to the Frost king? Describe the cross questioning and

investigation that Helen was subjected to? Why was her teacher sent away?

h) Describe the passionate outburst of Helen when she was handed a ragged doll by her Aunt and a

new doll by her teacher.

i) Write a brief character sketch of Michael Anagnos.

j) Write a brief character sketch of Alexander Graham Bell.

5. based on the unit ‘Health and Medicine’ and ‘Education’ from M.C.B answer the following questions

on A4 size sheets and place them in a folder: (Word limit 100-120 words)

a) Education is the key to success .With reference to the same write an article on the topic “Gyanaya

Danaya cha Rakshanaya” ( our school motto)

b) Health is an important aspect of human life. The government as well as public both are responsible for

maintaining the standard of it. You are a resident of Shanti Vihar, Delhi. Being a responsible citizen of

the locality, Write a letter to the Editor of The Times of India, Delhi regarding the poor insanitary

condition in the locality which is giving a break to many epidemics like Dengue, Malaria etc.

MATHS

ASSIGNMENT

1 mark

1. Give H.C.F. of (16,100) = 4, then L.C.M. is

(a) 200 (b) 400 (c)600 (d)800

2. For two positive number a and b , then exists two unique numbers q and r such that :

(a)a=bq+r, r>0 (b)a=bq+r;0<r>b (c) a=bq+r, 0<r<b (d) a=bq+r, 0 r < b

3. The decimal expansion of the rational number 43/(24x5

3) will terminate after

(a) 3 places (b) 4 places (c)5 places (d)1 places

4.The graphical representation of the pair of equations x+2y-4+0 and 2x+4y-12=0

represents.

(a)Intersecting lines (b) Parallel lines (c) Coincident lines (d) All of the above

5. If one of the zero of the polynomial 5x2+13x+a is reciprocal of the other then find value of a.

6. Write the number of real roots of the equation (x -1)2 + (x - 2)

2 + (x)

2

7.Find the zeroes of polynomial 2x2+5x+3 .

8.If (x+a) is a factor of 2x2+2ax+5x+10, then the value of a

9. Which of the following will have a terminating decimal expansion:

(a) 125/441 . (b). 35/50. (c) 77/210 (d) 129/225

7'7

17

10. If α and β are the zeroes of the polynomial f(x)=x2+ x + 1, then (1/α) + (1/β)

= ?

(a) 1 (b) -1 (c) 0 (d) None of these

.2 Marks

11.Find the largest number that divides 2053 and 967 and leaves a remainder of 5 and 7

resp.

12 Find the largest number that will divide 398, 436 and 542 leaving remainders 7, 11 and 15

resp.

13.Find the LCM and HCF of 84, 90 and 120 by applying the prime factorization method.

14. Find the smallest number which when increased by17 is exactly divisible by both 520

and 468.

15. Find the Zeroes of the polynomial f(x)=4√3x2+5x-2√3, and verify the relationship

between zeroes and its coefficient.

16. Find the values of a and b for which the equations has infinite solution.

2x-3y=7;

(a+b)x-(a+b-3)y =4a+b

17. For what value of a and p the given system of equation has infinite solutions

(2p-10)x -3y-5=0

3x+ (q-2)y-3=0

18. Find the value of k for which the system of linear equation

2x+5y=3 and (k+1)x +2(k+2)y =2k will have infinite solution.

19. (i) Write the conditions to be satisfied by q so that a rational number p/q a non

terminating repeating decimal expansion.

(ii) Find the value of k for which the system of equations x - ky = 2 and 3x +

2y = -5 has a unique solution.

20. The HCF of two numbers is 145 and their LCM is 2175 .If one number is 725, find the

other number.

(3 Marks) 21. Find the values of a and b, if the sum and the product of the roots of the

equation 4ax2+4bx+3=0 are 1/2 and 3/16 respectively.

22. Solve the following pair of linear equation by substitution method .

7x+11y=3

8x+y=15

23. Solve the following pair of linear equations:

= 15

24. Solve the following pair of linear equation

+ 5y = 7,

+ 4y = 5

25. Solve the following pair of equation.

5 / (x+y) - 2 / (x-y) = -1

15 / (x+y) + 7 / (x-y) = 10 where x+y & x-y not equal to 0

26. A person can row a boat at the rate of 5 km/hr in still water. He takes thrice as much

time in going 40 km upstream as in going 40 km downstream. Find the speed of the

stream.

27. One pipe can fill a tank in (x-2) hours and the other pipe can empty the full tank in (x+2)

hours. If the tank is empty and both the pipes are opened together, the tank is filled

completely in 24. hours. Find how much time will the second pipe take to empty the

tank?

28. Prove that √17 is irrational.

29. Use Euclid's division Lemma to show that the cube of any positive integer is either of the

form 9m,9m+1 or 9m+8 for some integer m.

30. The denominator of a fraction is 4 more than twice the numerator. When both the

numerator and denominator are decreased by 6, then the denominator becomes 12

times the numerator.

31. If a and b are the zeroes of the quadratic polynomial f(x)= x2+px+q, form a polynomial

whose zeroes are (a+b)2 and (a-b)

2

32. If a and b are the zeroes of the quadratic polynomial f(x)= 3x2-4x+1, form a polynomial

whose zeroes are a2/b and b

2/a.

4 Marks

33. Solve the following system of equations graphically : 2x - y =1 and x + 2y = 13

Also determine the ordered pairs where the line cut the x axis. Hence determine the area

of a triangular region so formed by these lines with y axis.

34. Find the zeroes of the polynomial p(x) = 2x4 + 7x

3 -19x

2 -14x +30 if two of its zeroes are

√2 and-√2.

35. If d is the HCF of 468 and 222, find x and y satisfying d = 468x + 222y. Also show that

x and y are not unique.

36. Find the zeroes of the polynomial f(x) = x3 -5x

2 - 2x + 24 , if it is given that the product its

two zeroes is 12.

37. Find the values of a and b so that x4 + x

3 + 8x

2 + ax + b is divisible by x

2 + 1.

38. The sum of a two digit number and the number formed by interchanging the digits is 132.

If 12 is added to the number, the new number becomes 5 times the sum of the digits.

Find the number.

39. A and B. are friends and their ages differ by 2 years. A's father D is twice as old as A and

B is twice as old as his sister C. The age of C and D differ by 40 years. Find the ages of A

and B.

40. A boat covers 32 km upstream and 36 km downstream in hours. Also, it covers

40 km upstream and 48 km downstream in 9 hours. Find the speed of the boat in still

water and that of the stream.

41. After covering a distance of 30 km with a uniform speed there is some defect in a train

engine and therefore , its speed is reduced to 4/5 of its original speed: Consequently, the

Train reaches its destination late by 45 minutes. Had it happened after covering 18 km

more, the train would have reached 9 minutes earlier. Find the speed of the train and the

distance of journey.

42. The students of a class are made to stand in rows. If 3 students are extra in a row, there

would be 1 row less. If 3 students are less in a row there would be 2 rows more. Find

the number of students in the class.

43. Prove that 6 + is irrational

44. If and are the zeroes of the polynomial a + bx + c, then find the value of:

(a)

+

(b)

+

(c)

)+

)

45. If and are the zeroes of the polynomial 2 - 4x + 1, then find the value of

+

JOT DOWN ALL THE KEY POINTS CH-1( REAL NUMBERS) .THE SAME WILL BE

EVALUATED IN FA-2 INDIVIDUAL ACTIVITY.

SCIENCE

CHEMISTRY

1. Give one example where corrosion is an advantage rather than disadvantage.

2. Write chemical name, formula and common name for any 5 chemicals used in our daily life.

3. A green salt on heating decomposes to produce a colourless suffocating gas and leaves behind a

reddish brown residue. Name the salt and write the decomposition reaction.

4. What is the relation between oxidation and oxidizing agent in a redox reaction? Write two examples of

redox reaction showing this relationship.

5. Rewrite the following reaction by correcting and then balancing

(a) KClO3 KCl2 + O2

(b) Ca+ O CaO

(c) NH3 +CuO Cu + N + H2O

(d) Pb+ CuCl2 PbCl

(e) CO2 +CaOH CaCO3 + H2O

HOTS

1. A compound `X` is used for drinking, has pH =7. Its acidified solution undergoes decomposition

in presence of electricity to produce gases `Y` and `Z` The volume of Y is double than Z. Y is

highly combustibl whereas Z is supporter of combustion .Identify X, Y & Z and write the

chemical reactions involved.

2. An aqueous solution of metal nitrate P reacts with sodium bromide solution to form yellow ppt of

compound Q which is used in photography. Q on exposure to sunlight undergoes decomposition

reaction to form metal present in P along with reddish brown gas. Identify P&Q . Write the chemical

reaction & type of chemical reaction.

3. Bhawana took a pale green substance A in a test tube. and heated it over the flame of a burner. A

brown coloured residue B was formed along with evolution of two gases with burning smell of

sulphur. Identify A & B. Write the chemical reaction involved.

4. A student took 2-3 g of a substance X in a glass beaker & poured water over it slowly. He observed

bubbles along with hissing noise. The beaker becomes quite hot. Identify X.What type of reaction is

it?

5. A reddish brown vessel developed a green coloured solid X when left open in air for a long time.

When reacted with dil H2SO4 , it forms a blue coloured solution along with brisk effervescence due to

colourless & odourless gas Z. X decomposes to form black coloured oxide Y of a reddish brown metal

along with gas Z, Identify X, Y, & Z.

6. A substance X used for coating iron articles is added to a blue solution of a reddish brown metal Y, the

color of the solution gets discharged Identify X and Y & also the type of reaction.

7. A student burnt a metal A found in the form of ribbon. The ribbon burnt with a dazzling flame & a

white powder B is formed which is basic in nature. Identify A & B. Write the balanced chemical

equation.

8. A student dropped few pieces of marble in dilute HCl contained in a test tube. The gas evolved was

passed through lime water. What change would be observed in lime water? Write chemical reactions

for both the changes observed.

9. Astha has been collecting silver coins and copper coins. One day she observed a black coating on

silver coins and a green coating on copper coins. Which chemical phenomenon is responsible for these

coatings? Write the chemical name of black and green coatings

10. A teacher took a hard glass tube open on both ends and placed some copper turnings/powder inside

it. He heated the tube strongly for about 15-20 min. till the copper turnings/powder turned black. Now,

he fitted corks with holes on both sides of the tubes. He prepared H2 gas by reaction of zinc with

sulphuric acid and passed this gas over the black material; inside the tube.

a) Why has copper turned black? Write the reaction involved.

b) Name two different types of reactions to which this reaction belongs.

c) Identify oxidizing and reducing agents of this reaction.

Activity: (1) How can you perform an experiment to see that metals react with alkalies to liberate

hydrogen gas?

(2). A student has mixed the solutions of lead (II) nitrate and potassium iodide.

(i) What was the colour of the precipitate formed? Can you name the compound? Precipitated?

(ii) Write the balanced chemical equation for this reaction.

(iii) What type of reaction is it?

BIOLOGY

1. A farmer flood his field everyday thinking that watering in this manner will result in better yield of his

wheat crop. What will be the result of this action of the farmer?

2. Plant growing in desert region have deep roots and sunken stomata. Why?

3. What is the internal energy reserve in plant and animals?

4. Why stomata of desert plant are closed during day and open during night?

5. Why sportsman runs he get muscle cramps?

6. Why rate of breathing increases during exercise?

7. What happens to glucose, amino acid, water that enters the nephrons along with filtrate?

8. How is leakage of the blood prevented from blood vessels?

Activity

1. Topic: To find out the range of haemoglobin in different age groups. 2. Respiratory problems commonly found in persons working in mines and stone crushing factories and

flour mills PHYSICS

1. Two conducting wires of same material and of equal length and equal diameter are first connected in

series and then in parallel in a circuit across the same potential difference. Calculate the ratio of heat

produced in series and parallel combination.

2. A wire is doubled over itself. What will be the new resistance if the original resistance is 10Ω?

3. How much energy is required to move a charge of 5C between two points having a potential

difference 10V?

4. Two lamps one rated 100 W and at 220 Volt and other 60 W at 220 Volt are connected in parallel to

an electric main supply. What current is drawn from the line, if the supply is 220 Volt?

5. A current of 1.2 A is drawn from a cell for 2 minutes. Calculate the no. of electrons flows in the

circuit.

6. How three resistors 2 ohm, 3 ohm and 6 ohm be connected to get an overall resistance of a) 4 ohm and

b) 1 ohm?

7. Draw an electric circuit having a battery of 6v, two resistors 2 Ω & 3 Ω connected with a key & an

ammeter?

8. The potential difference across a resistor of resistance 6 Ω is 150 v. Calculate the current passing

through the resister.

9. Why does a conductor heats up when a current is flowing through it? Explain.

10. Write the appliances used in your house under the heading of 5 A and 15 A current rating and write

them in tabular form.

SOCIAL SCIENCE

1. Prepare a Comparative Analysis on the Sectors of Indian Economy

showing graphs, pie charts and data under the following heads:

a. Gross Domestic Product

b. Growth rate in each sector

c. Employment

2. Conduct a survey on Rainwater Harvesting Techniques existing in and around your locality. Prepare a

questionnaire for survey and write an informative report depicting pictures, data, illustrations etc.

3. Prepare a Map File showing following maps on an outline political map of India:

a. Soil Types

b. Protected and Reserved forests

c. Wildlife Sanctuaries and National Parks

d. Multipurpose projects with rivers

e. Major crops: Food, Fibre, Beverage and Non-food crops

4. Find out about the structure and working of local government in your area and explain with the help of

a Mind Map. Also find out the names of your Municipal councillor and the Municipal Chairperson or

Mayor.

5. Complete the assignments of History: ch-6 “Work, Life and Leisure” and Geography: ch -2

“Forest and Wildlife Resources”. Learn all the chapters of FA1 thoroughly.

Note: Do all the homework in A4 Size sheets and compile in one folder. Prepare a separate file for

Maps.

COMPUTER SCIENCE

Read the following Case study and generate the java codes for the desired outputs. Also print the

appropriate statements at the end including answer. (One sample is provided for Question 1.)

Q1. The HSBC Bank provides Car loan and Education Loan. Assign the initial values for the following:

Customer_Name

Loan_Type

Principal_amount

Interest rate

Calculate the Net amount to be paid at the maturity of loans.

Hint :

Consider the screen shot of the Output window (to be pasted) :

Q2. Wisdom Public School wants to computerize the employee salary section. The School is having two

categories of employees: Teaching and Non Teaching. The Teaching employees are further

categorized into PGTs, TGTs and PRTs having different Basic salary.

Assign the initial values for the following:

Name of the teacher

Category (PGT, TGT and PRT)

Basic salary

Loan Type Interest Rate

Car loan 10% Education Loan 7.4%

General Instructions:

Read Chapter -4 & 5 of Text Book.

Holiday Home Work should be done in spiral practical file.

Type- Interleaved Brand - Neelgagan / Lotus (only)

Write the coding in the Record file & also paste the screen shots of outputs. Follow the

pattern discussed in the class.

Calculate the following for further calculations:

DA (50% of Basic)

HRA (10% of Basic)

Deductions (4% of Basic)

Calculate Gross salary & Net salary accordingly.

Note: Outputs should be pasted along with the coding.

Q3. Gather the information about the following Java terminologies.

JVM

IDE

JEE

JME

JRE

JSE

JDK

Also find the software in which they are incorporated & Why?

Q4. List the names of JAVA based Games & Mobile Apps (at least 10). Enlist the Java version used for

its development.

Q5. Identify the type of viruses and search how they spread and effect system. Also write the

precautions to be taken to protect the system.

1. I am a piece of code that is secretly introduced into a system in order to corrupt it or destroy data.

.......................................................................................................................

2. I am a self-replicating computer program who uses a computer network to send copies of myself to

other nodes on the network without any user

intervention..............................................................................................................

3. I am a virus that infects executable files. ..............................................................

4. I am a virus that infects the boot record program on hard disks and floppy disks or the master boot

record on hard disks. ........................................................................................

5. I am a virus that is encoded as a macro embedded in a document, such as a word processing or

database document. ....................................................................................................

***

Note: All Homework should be done on A4 size sheet and should be compiled for each

subject in a separate folder and submit on 28th June 2016 to the class teacher

between 8:00 A.M to 10:00 AM

Grosssalary = Basicsalary + DA +HRA

Netsalary=Grosssalary - deductions

BHAI PARMANAND VIDYA MANDIR Surya Niketan, Anand Vihar, Delhi – 110092