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ROCKFORD CONVENT SR. SEC. SCHOOL

HOLIDAY HOMEWORK

CLASS XI

SUBJECT-ACCOUNTANCY

Chapter 6 - Accounting Equations

Do Additional Questions ( Ques. 21 to 36)

Chapter 9 - Journal

Do Additional Questions ( Ques. 31 to 37) & also do problem based on

missing information ( Pg.no. 9.75 to 9.81)

Chapter 11- Cash Book

Do Additional Questions ( Ques. 19 to 30)

Chapter 12 – Special Purpose Subsidiary Books

Do Additional Questions ( Ques. 11 to 16)

Assignment no.1

Assignment no. 2

ROCKFORD CONVENT SR. SECONDARY SCHOOL

HOLIDAY HOMEWORK CLASS XI

MATHEMATICS

Q1) Let A= {a.b.c.d.e} and B = {d,e,f,g} find (A-B) ∩(B-A)

Q2)In a group of 4400 people, 250 can speak english only and 70 can speak hindi only. Find

a) How many can speak both english and hindi?

b) How many can speak english?

c) how many can speak hindi?

Q3) In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read newspaper

I, 9 read both H and I, 11 read both H and T, 8 read both T and I, 3 read all the three newspapers, find:

a) the number of people who read atleast one of the newspapers.

b) the number of people who read exactly one newspaper.

c) the number of people who read none of the newspapers.

Q4)Draw Venn diagram for each of the following:

a) (A U B)' b) A'∩ B'

Q5) Write the intervals in set-builder form: (-3,0) [6,12] [-23, 5)

Q6)Let A= {1,2,3,4} and B= {x,y,z}. let R be a relation from A into B defined by R= {(1,x), (1,z), (3,x), (4,y)}

a) find the domain and range of R

b) Draw the arrow diagram of relation R

c) Represent R in tabular form.

Q7)Let R be a relation "less than" from A= {1,2,3,4,5} to B ={1,4,5}. Write down the cartesian product corresponding

to R. also find the inverse of R.

Q8) Find the domain of the following

f(x)=x2

+ 2x +1/x2

-8x +12

Q9) If f(x) = 𝑥+ , x≠ -1/2 then show that f{f(x)} = 𝑥+𝑥+

Q10)If f(x) = 2x +1, find the range if domain is {-1,2,3} and hence find the function.

Q11)Find the degree measure of a) (𝜋)c b) (-4)

c

Q12) The minute hand of a watch is 1.5 cm long. How far does its tip move in 40 minutes?

Q13)Prove that 315. cot (-405) + cot(495). tan(-585) =2

Q14) sin54

- sin72

= sin218 - sin

236

Q15)Show that tan3xtan2xtanx = tan3x- tan2x - tanx

Q16)If A+b = 45, prove that (cotA-1)(cotB-1) =2

Q17)prove that tan20tan40tan80= tan60

Q18)prove that cos2A + cos

2B - 2cosAcosBcos(A+B) = sin

2(A+B)

Q19)prove that sin10+ sin 20 + sin 40+ sin 50 = sin70 + sin 80

Q20)Prove that 𝑠𝑖 𝑥𝑐 𝑠𝑥− 𝑠𝑖 𝑥𝑐 𝑠 𝑥𝑐 𝑠 𝑥𝑐 𝑠𝑥−𝑠𝑖 𝑥𝑠𝑖 𝑥 = tan2x

Q21)cosA + cosB + cosC +cos(A+B+C) = 4 Cos+

Cos +

Cos +

Q22) 𝑠 𝑠 − 𝑠 𝑐 𝑠 + 𝑠 𝑠𝑆𝑖 𝑆𝑖 −𝑆𝑖 𝑆𝑖 +𝑆𝑖 𝑆𝑖 = Cot6A cot5A

Q23)CosACos(60-A)cos(60+A)= cos3A

Q24)find the value of √3cosec20- sec20

Q25)Sin4𝜋

+ Sin4 𝜋 + Sin

4 𝜋 + Sin

4 𝜋 =3/2

Practice from reference books

ROCKFORD CONVENT SR.SEC SCHOOL

CLASS - XI SUBJECT - BIOLOGY

Holiday assignment

___________________________________________________________________________

1. How does taxon different from category?

2. What is binomial system of naming organisms?

3. How is herbarium useful?

4. What are hotspots?

5. What is importance of museums?

6. What do you mean by hierarchy categories?

7. What is biodiversity?

8. What is red data book?

9. Define species.

10. Give two shortcomings of 2-kingdom classification.

11. How are diatomaceous earth formed?

12 Give two examples of ascomycetes.

13. Give two important features of phycomycetes.

14. What are lichens?

15. Explain the kind of nutrition and associations found in fungi.

16. What are viroids?

17. List the advantages of a seed in gymnosperms.

18. Explain important characters of pteridophytes.

19. What is alternation of generation? Explain this in bryophytes.

20. What is double fertilization?

21. Differentiate between chondrichythes and osteichythyes.

22. How does water flow throughsponges?

23.What is function of cnidoblasts?

24. Give characteristic features that help birds in flight?

25. What are primates? Give any two features of primates.

26. What is coelom? Explain its types also.

27. Explain biosphere reserves.

28. Compare salient features of Monera and Protista.

29. How are ascomycetes different from basidiomycetes?

30. Why seed plants are most successful of all land plants?

31. What arecoralloid roots?

32. How do algae differ from fungi?

33. What are agar and kelps?

34. What is metagenesis? Give one example.

35. Mention two modification in reptiles required terrestrial mode of life.

36. Differentiate between diploblastic and triploblastic animals.

37. Give four salient feature of Arthropoda.

38. Discuss general characters of class Mammalia.

39. Differentiate between polyp and medusa.

40. Give two major differences between chordates and non-chordates.

41. What is notochord? Give its function.

42. List four peculiar characters of phylum Mollusca.

43. What is heterospory? Give its significance.

44. Draw labelled diagram of blue green algae.

45. Define taxonomy.

46. Differentiate between slime molds and fungi.

47. Describe the criteria used for five kingdom system of classification.

48. Write the salient features of viruses.

49. Differentiate between gymnosperms and angiosperms.

50. Differentiate between metaterians and eutherians.

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ROCK FORD CONVENT SR. SEC. SCHOOL

Holidays Homework of Class 11th (COMMERCE)

SUBJECT- Business Studies

Forms of Business

Ques. 1 What do you understand by sole proprietorship firms? Explain its merits and limitations.

Ques. 2 Explain the various form of partnership firm.

Ques. 3 Why is it important to choose an appropriate form of organisation? Discuss the factor that determine

the choice of form of organisation.

Ques. 4 Distinguish between a joint Hindu family business and partnership.

Ques. 5 Write a short note on Karta ?

Ques. 6 Define partnership formation.

Ques. 7 Explain how a cooperative organisation is a democratic set up.

Ques. 8 What is meant by partner by estoppel?

Purpose of Business

Ques. 1 Explain the concept of business?

Ques. 2 How would you classify business activities?

Ques. 3 What are various type of industries?

Ques. 4 Compare business with profession and employment.

Ques. 5 Why does business needed multiple objective? Explain any five objective.

Ques. 6 Explain the concept of business risk and its causes.

Ques. 7 What are the type of utilities created by a business?

Ques. 8 What role does profit play in a newly setup business organization?

Ques. 9 The auxiliaries to trade help to remove the various bottleneck such as place, time, person, risk and

exchange. Explain how?

Ques.10 Difference between certain and uncertain risk.

Emerging mode of Business

Ques. 1 What is e-business?

Ques. 2 Difference between traditional and e-business.

Ques. 3 Define online trading. Elaborate the step involved in online trading.

Ques. 4 What is hacking?

Ques. 5 What is outsourcing? Explain the drawbacks of outsourcing.

Ques. 6 Define the functions and scope of e-business.

Ques. 7 Describe the major limitation of e-business.

Ques. 8 Describe the drawbacks of outsourcing.

Ques. 9 What is difference between Credit Card Authentication and Authorization?

Ques. 10 How can security of e-commerce transaction be ensured? Explain.

Small Business and Enterprises

Ques. 1 What is the purpose of NSIC ?

Ques. 2 Explain the role of DIC in promoting small-scale enterprises.

Ques. 3 Why does the Government of India insist on balanced regional development?

Ques. 4 What is the difference between small-scale enterprises and cottage Industry?

Ques. 5 How does small business help in improving economic condition in rural area?

Ques. 6 Describe the scope of small business in rural India.

Ques. 7 Describe briefly the problem of small-scale enterprises.

Ques. 8 What measures have been taken by the Government for promotion of small Business? Describe

briefly.

Ques. 9 Write a short note on Entrepreneurship? Explain the process of Entrepreneurship.

Ques.10 What is Startup Scheme? Explain the various scheme and ways to found Startup by Government of

India.

Presentation on the Below Topics

SSI

Private and Public Company

Cooperative Organisation