Class XI

ENGLISH

  1. Write a debate (for/against) “Standard of living can be raised, but only at a great cost.” In 150-200 words.
  2. Write a speech in about 150 words on the topic “Delhi – A city of crime.”
  3. Write an article in about 200 words on “Drugs are Fatal to Health.”
  4. Write a notice about your institute going to start fresh batches in foreign languages shortly. You are Varsha/Varun.
  5. Write a speech for the morning assembly on “The role of teachers in a society”. You are Navita/Naved.

Holiday assignment

Question-1

Question-2

Question-3

Question-4

Question-5

Question-6

Question-7

Question-8

MOTION IN A STRAIGHT LINE

Q1.A car travels at a rate of 30 km h-1 for 5 minutes and then at 40 km h-1 for 10 min .find

(i)The total distance travel by the car

(ii) The average speed of the car

Q2.Acar covers the first half of the distance between two places at a speed of 40 km h-1 and the second half at 60 kmh-1. What is the average speed of the car ?

Q3.In a car race ,car A takes t sec. less than car B at the finish and passes finishing point with a velocity of v m sec-1 more than B .Assuming that the car starts from rest and travels with constant acceleration a1,a2 respectively, show that v=(a1a2) t.

Q4.The displacement of a particle starting from rest (at t=0) is given by x=3t2-t3. Calculate the time at which acceleration of the particle becomes zero .

Q5.the relation between time t and distance x is given by t=Ax2+Bx, where A,B are constant what is acceleration ?

Q6.A bus moving on a straight road with a speed of 126 km h-1 is brought to rest after 200 sec. Calculate

(i)Acceleration of the bus

(ii)Time taken by the bus to come at rest

Q7.A balloon rises vertically upwards with uniform velocity 15 m sec-1 releases a ball at height of 100m .Calculate the time taken by the ball to hit the ground (take g=10 msec-2)

Q8.The velocity time graph of the body is shown in the fig. plot the corresponding acceleration time

Graph for the body. V(ms-1)

5

2 4 6 t(s)

Q9.Drops of water from the roof of a house 6 m high fall at regular interval . The first drop reac

hes the ground at an instant of time when third drop leaves the roof . Find the height of the second drop at that instant.

Q10. A police man moving on a highway with a speed of 30 km h-1 fires a bullet at thief’s car speeding away in the same direction with a speed of 192 km h-1 .If the muzzle speed of the bullet is 150 msec-1 with what speed does the bullet hit the thief’s car

Holiday Homework

Class XI (Biology)

  • Prepare a Herbarium file of 20 plants.
  • Prepare 5 plates for plants present in your school premises on which Scientific name along with local name and family of the plants written.
  • Complete the given worksheet.
  1. What is taxonomic hierarchy? Define the term taxon.
  2. Define the term identification, nomenclature and classification.
  3. Define Keys and Herbarium.
  4. Name the phylogenetic system of classification.
  5. Who gave five kingdom of classification? Give the important characteristics and examples of each kingdom.
  6. What is binomial system of classification? Who proposed it? Give the principles of binomial nomenclature.
  7. How is viroids different from viruses?
  8. Give a comparative account of the classes of kingdom Fungi under the following

(i) mode of nutrition (ii) mode of reproduction

9.What is heterospory? Briefly comment on its significance.

10.Write a note on lifecycle and different types of alternation of generation.

11.List difference between the natural and artificial system of classification in plants.

12.How is a Key helpful in the identification and classification of an organism?

13.Describe briefly four major groups of protozoans.

14. Name the organism in which heterocyst is present. Explain its features. Which feature make it suitable for nitrogen fixation?

15.Taking the example of bacterial cell, describe the structure of prokaryotic cell.

Std. 11 C/D

Accounts

  1. Learn the meaning, Importance, Objectives and users of Accountancy.
  2. Learn and revise all accounting terms (explained)
  3. Learn and Revise all Accounting Principles and Accounting Concepts
  4. Learn Indian and International Accounting Standards.
  5. Accounting Equation Ques. No. 20 to 34.

ग्रीष्मावकाश गृहकार्य

कक्षा -ग्यारह

विषय –हिंदी

1-अपठित गद्यांश व काव्यांश करो । ( वार्षिक परीक्षा कक्षा ग्यारह)

२-अनुच्छेद लेखन करो –विषय- कम्प्यूटर :मेरे जीवन में अथवा भारत की सामाजिक समस्याएं ।

2-महानगरों में आवास की समस्या विषय पर लगभग १५० शब्दों में फीचर लेखन कीजिए ।

3-दूरदर्शन केन्द्र के निदेशक को नवीन साहित्यिक रचनाओं पर कार

4-यक्रम प्रसारित करने कार्य आग्रह करते हुए लगभग १५० शब्दों में

5-विमान पाठ १व २ पढ़ो ।

ECONOMICS

CLASS – 11

1 Revise the meaning, scope and importance of statistics.

2 Visit any mall and examine the prices of necessary comfort and luxury goods and mark the demand of the product.

HOLIDAY HOME WORK

Business studies

Class 11

  1. Visit any public & private bank & compare their working .Prepare one report on it

Collect different vouchers like deposit slip, withdrawal form, draft forms &

Maintain in file.

  1. Learn & Revise the chapter.—Nature and purpose of business.

HOLIDAYHOMEWORK

CLASS11

MATHEMATICS

CHAPTER: P.M.I

Q1.By the PMI ,prove that all nN
13+23+33+………….+n3=n2(n+1)2/4

Q2.Using PMI, prove for all nN

10n+3×4n+2+5 is divisible by 9

Q3. By P.M.I. prove that for all nN

+ + +……………….+ =

Q4. Prove by P.M.I. that for all n∈N

Xn – yn is divisible by x-y, x ≠y

Q5. Prove by P.M.I. , prove that for all n∈N

1+2+3+4+……….+n< (2n+1)2

Q6. Prove by P.M.I ,for all n∈N

1×3 +3×5 +5×7 +………..+(2n-1)(2n+1) = n(4n2+6n-1)/3

CHAPTER: SETS

Q1. Write solution sets of equation x2+2x+1=0 in roster form.

Q2. What universal sets(s) would you propose for each of the following-

(i)The set of right triangles (ii) The set of isosceles triangels

Q3. Write the following intervals in set –builder form:

(-3,0) , [6,12], [-23,5]

Q4.If x={a,b,c,d] and y={f,b,d,g} ,find

X-Y , Y-X , X∩Y

Q5.If u={1,2,3,4,5,6,7,8,9},A={2,4,6,8} and B={2,3,5,7}, verify that-

(AUB)’=A’∩B’ , (A∩B)’=A’UB’

Q6.Show that AᴜB=A∩B implies A=B

Q7.In a survey of 400 students in a school, 100 were listed as tacking apple juice, 150 as taking orange juice and 75 were listed as taking both apple as well as orange juice . Find how many students were taking neither apple nor orange juice.

Q8. Show that if AB, then C-B⊂C-A.

Q9. A collage awarded 38 medals in football, 15 in basketball and 20 in cricket, if these medals went to total of 58 men and only 3 men got medals in all three sports, how many received medals in exactly two of the three sports/

Q10. For any set A and B, show that P(A =P(A)∩P(B)

Q11. Let A,B and C the sets such that AᴜB =AᴜC and A∩B=A∩C. Show that B=C

Q12. Show that if A⊂B, then C-B⊂C-A.

Q13. In a survey it was found that 21 people liked product A, 26 liked product B and 29 liked product C. If 14 people liked A and B, 12 people liked product C and A, 14 people liked product B and C and 8 liked all 3 products. Find how many liked product C only.

Q14. Show that for any sets A and B, A=(A∩B)ᴜ(A-B) and Aᴜ(B-A)=(AᴜB)

Q15. Let A and B be sets . If A∩X=B∩X= and AᴜX =BᴜX and some set X, show that A=B.

Q16. In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read newspaper I, 09 read both H and I, 11 read both H and T, 08 read both T and I, 03 read all 3 newspapers, Find:

(i)The number of people who read at least 1 of the newspaper.

(ii)The number of people who read exactly one 1 newspaper.

HOLIDAY HOMEWORK FOR CLASS XI (IP)

  1. WAP to input a two digit number and print its reverse.
  2. WAP to input any 3 digit number and print the sum of all its digits.
  3. WAP to input marks of student in 5 subjects and calculate the total & percentage marks.
  4. WAP to input any number and print whether it is an even number or odd number.
  5. WAP to input length and breadth of a rectanglecalculate and print its area, perimeter and diagonal.
  6. WAP to input radius of circle calculate and print its area and circumference.
  7. WAP to input principal amount, rate of interest & time and calculate Simple Interest.
  8. WAP to input principal amount, rate of interest & time and calculate Compound Interest.
  9. WAP to input two numbers and check whether first is a factor of second number or not.
  10. WAP to input your first and last name separately and display it together on one line.
  11. WAP to input day, month and year of your birth separately and display it together in following format:-Your DOB is 12-12-1984
  12. WAP to input sides a, b and c of a triangle calculate and print its area using Herons formula.
  13. Differentiate between following-
  14. ‘a’ and “a”
  15. = and = =
  16. int and double data type
  17. primitive and reference data type
  18. Implicit and explicit conversion
  19. Write output of following-

  1. int x=10;
x=x++ + ++x;
Sopln(x); /
  1. int x=5;
int y = x++ * 2 + ++x * 5;
Sopln(x); /
  1. int x = 7, y=8;
int z = x+y/2;
Sopln(x);

Lucknow public school

Home assignment Class 12

(PHYSICAL EDUCATION )

PROJECT :》

● Modified AAHPER administration for all item .

●Conduct Barrow 3 item Test on 10 students.

●Procedure for Asanas ,Benefits & Contraindications for any two Asanas each lifestyle disease

●Procedure for administering Senior Citizen Fitness Test for 5 elderly family members.

Theory

Q.1 Meaning and Objectives of planning .

Q.2 Write short note

Sports day ,Health Run , Run For Fun ,Run For Specific & Run For Unity

Q.3 Draw knockout fixture

(7,9,11,13,17,19,& 21 teams )

Q.4 Draw league fixture of

( 5,6,8,9,14 & 17 teams according to staircase or cyclic method