Chemistry

Ch.1- Basic Concepts of Chemistry

Ch.2- Atomic Structure

1. What is the SI unit of molarity?

2. Express the following numbers to four significant figures.

i) 5.607892 ii) 1.78986×103

3. Calculate the mass of one litre of mercury in grams and in kilograms if the density of liquid mercury is 13.6gcm-3.

4. How many atoms are present in 52µ of He?

5. Convert the following in kilograms:

i) 0.91×10-27 (mass of electron)

ii) 1fg (mass of human DNA molecule)

iii) 500Mg (mass of jumbo jet [loaded])

iv) 3.34×10-24g (mass of hydrogen molecule)

6. Calculate the amount of water (g) produced by the combustion of 16g of methane.

7. How many moles of methane are required to produce 22g Co2(g) after combustion?

8. A solution is prepared by adding of 2g of a substance A to 18g of water. Calculate the mass per cent of the solute.

9. Calculate the morality of the NaoH in the solution prepared by dissolving its 4g in enough water to form 250ml of the solution.

10. The density of 3M solution of Nacl is 1.25g ml-1. Calculate molality of the solution.

11. A solution is prepared by dissolving 18.25g of sodium hydroxide (NaOH) in distilled water to give 1.000 L of solution. Calculate the molarity of NaOH in the solution.

12. How many moles and how many grams of sodium chloride (NaCl) are present in 250cm3 of a 0.500 M NaCl solution.

13. Naphthalene ball contains 93.71% carbon and 6.29% hydrogen. If its molar mass is 128g mol-1, calculate its molecular formula.

14. The density of 3 molal solution of NaOH is 1.110 gml-1. Calculate the molarity of the solution.

15. Calcium carbonate reacts with HCI to give CaCl2 and Co2 according to the reaction.

12 2223 oHgCOaqCaClaqHclsCaCO

What mass of CaCO3 is required to react completely with 28mL of 0.75 MHCI?

16. How much copper can be obtained from 100g copper sulphate (CuSO4)?

17. How many electrons in an atom may have the following quantum numbers?

18. A 100 watt bulb emits monochromatic light of wavelength 400nm. Calculate the number of photons emitted per second by the bulb.

19. Calculate the mass of a photon with wavelength 3.6A.

20. According to de Broglie, matter should exhibit dual behavior, that is both particle and wave like properties. However, a cricket ball of mass 100g does not move like a wave when it is thrown by a bowler at a speed of 100 km/h. Calculate the wavelength of the ball and explain why it does not show wave nature.

21. Table tennis ball has a brass of 10g and a speed of 90m/s. If the speed can be measured with an accuracy of 4% what will be the uncertainty is speed and position?

22. What designation is given to a subshell having

i) n=4, l=1 ii) n=4 l=2

iii) n=2, l=0 iv) n=4, l=3

23. a) List two main differences between orbit and orbital.

b) If an electron is moving with a velocity of 600m/s which is accurate upto 0.005%, then calculate the uncertainty in its position. (h=6.626×10-34 Js and mass of the electron=9.11×10-3)

24. Calculate the wavelength and energy of radiation emitted for the electronic transition from infinity to stationary state of the hydrogen atom.

25. The mass of an electron is 9.1×10-31 kg. If its K.E. is 3.0×10-25J, calculate its wavelength.

Biology

Chapter-1 and 2

1. Write the universal rules of nomenclature?

2. Define classification?

3. Draw taxonomic categories showing hierarchial arrangement in ascending order?

4. Define following:

i) Taxon ii) Key

iii) Genus iv) Specie

v) Systematics

5. What are the features of living organisms?

6. Name and explain four major groups of protozoans.

7. What is a mycoplasma?

8. Differentiate between photosynthetic atutotrophic bacteria and chemosynthetic autotrophic bacteria.

9. Define the term: phycobiont and mycobiont.

10. Name and explain the steps involve in sexual cycle of fungi?

11. What is symbiosis? Explain giving examples.

12. Classify different types of Bacteria on the basis of different shapes?

13. What are methanogens? Write there industrial applications?

14. What is contagium vivum fluidum? Why it is called so?

15. Tabulate the characteristics of the five kingdoms?

16. Draw diagram for Bacteriophage?

17. What are the characteristics features of:

i) Euglenoids ii) Dinoglagellates

18. Give a comparative account of the classes of kingdom monera and protista under the following:

i) mode of nutrition

ii) mode of reproduction

19. Find out what do the terms ‘algal bloom’ and ‘red’tides’ signify.

20. Comment

i) Cellular organization of the body is the defining features of life forms.

21. Write a short note on

i) Viroids

ii) Lichens

22. Prepare a table or organisms given below showing their taxonomic categories Man, Housefly, Mango, Wheat

23. Classify the given fungi in classes: - Basidiomycetes, Deuteromycetes, Ascomycetes, Phycomycetes, Mucor, Ustilago, Albugo, Aspergillus, Rhizopus, Trichoderma.

24. Define alternation of generation.

25. Give full form of ICBN, ICZN.

Accountancy

Chapter-1. Introduction to Accounting

1. What is the process of accounting? Explain.

2. Define Book Keeping? What is the function of Book Keeping?

3. What is the difference between book keeping and accounting?

4. What do you mean by accounting? Explain its advantage and disadvantage.

5. Explain double entry system of accounting

Chapter-2. Basic Accounting Terms

1. Define the following basic accounting terms.

i) Revenue ii) Drawing

iii) Cost iv) Business Transactions

v) Capital vi) Liabilities

vii) Assets viii) Purchases

ix) Expenditure x) Loss

Chapter-3. Theory Base of Accounting, Accounting Standards and International Financial Reporting Standards.

1. Define accounting standards. What are its main objectives?

2. Explain the following assumption.

i) Going concern assumption

ii) Accrual assumption

iii) Accrual Assumption

3. Explain the following Accounting Principles

i) Accounting Entity principle

ii) Money measurement principle

iii) Matching principle

iv) Dual Aspect Principle

Chapter-5. Accounting Equation

1. Explain the Accounting equation

2. Practical problems

Q.No. 4, 8, 11, 14, 16, 22, 25, 26 and 27

Chapter-6. Accounting Procedure –Rules of Debit and Credit

1. Explain the traditional classification of accounts

2. Explain the modern classification of accounts

3. Practical Problems

Q.No. 2, 5, 7, 8, 12

Chapter-5. Origin Transactions- Source Documents and preparation of vouchers

Project file

i) Cash memo ii) Invoice or Bill iii) Pay-in-slip iv) Cheque v) Debit note vi) Credit note vii) Cash voucher viii) Non-cash voucher

Political Science

Home Science

Hindi

Business Study

What is Business?

What are the types of Economic Activity?

How will you classified the human activity?

4. Explain social objectives.

5. Explain the role of profit in Business.

How many types you can classified of Industrial product?

7. Write the funtions of commerce.

8. Classify the trade on the basis of Geographical area.

9. Write the causes of Business Risk.

10. Make the structure of Business Activities.

11. Write any three points of difference between business and profession.

12. Explain secondary Industries.

13. "Can profit be the sole objective of a Business" Explain it.

14. Write the Economic objective of Business.

15. What is Profession?

16. Write any five characteristics of Business.

Classify the industry and explain primary industry.

18. Explain teritary services.

19. Meaning of Business Risk?

20. Explain Auxiliaries to trade.

21. Write the benefit of E-business.

22. Write the features of profession.

23. Tata power is planting trees on roadsides of several big cities. Name the objective Tata

Power is engaged.

24. What is Employment?

25. A business should have multiple objectives. Discuss.

Physical Education

What is the meaning of physical fitness?

What is meant by life style?

Explain "Personal Hygiene" as a component of positive life style?

4. Define heredity.

5. Explain: What do you mean by indicators of health?

Write the components of positive life style.

7. What do you meant by health status indicators?

8. How can health threat can be prevented through life style change.

Lesson-2

9. Define physical education.

10. What is the aim of physical education?

11. What is the integrated physical Education?

12. Write Principal of adapted physical education?

13. Write objectives of physical education.

14. Write the aim of central advisory board of physical education and recreation.

15. Explain: Administration Related careers.

16. Describe the aim of National Institute of Sports.

17. Explain teritary services.

Do In Your Practical File

1. Write benefits of medicine Ball, Thera Tube and Pilates.

2. Measure B.MI of ten members from family or neighbourhood and show graphical

representation of the data.

3. Draw a neat diagram of standard Track and field events.

4. Mention the latest records of Indian, world and olympic level.

OR

Badminton, Judo, Swimming, Table Tennis, Teakwando and Tennis.

English

Assignment 1. How did the sparrows show on the last day that they had not come for the bread?

2. Why does the author say that this grand mother was never pretty but always beautiful?

3. What chief qualities of the grandmother do you get in the lesson 'The portrait of a lady'?

4. Why was the grandmother distressed and dissatified with the teaching in the English school?

5. Why did grandmother always accompany the author to his school?

6. How did the island Ile Amsterdam look like?

7. Why did the captain get no replies from their may day calls?

8. How did the captain to the ship calculate the ship's position for reaching the island Ile

Amsterdam?

9. What injuries did the captain get during the wavestrom?

10. After wave strom there was water, water, everywhere, 'How'?

11. How long has the ghost been in cantervilli chase?

12. Who was Miss Virginia Eotis? What kind of person was she?

13. Who was Washington Otis?

14. Why was Canterville Chase haunted?

15. What was Mr. Hiram B Otis's view about ghosts?

16. Who was Tut At what age did he die?

17. Who discovered his tomb and when?

18. When and why was king Tut's mummy taken out of his tomb?

19. What did the tourists do at that time?

20. What was the fate of the contents?

21. Why did the artifacts cause a sensation at the time of discovery?

22. What is the narrator's mood when he begins the story 'The Summer of the Beautiful white Horse'?

23. How did the narrator know that his cousin mourad couldn't have bought the horse?

24. Why couldn't the narrator believe that his cousin Maurad had stolen the horse?

25. Describe the incident which confirms that the narrator's uncle Khosrove was indeed cray.

26. Describe the narrator's experience when he rode the white horse alone.

27. Why were Maurad anxious to take the horse back before everybody was up and about?

28. Why did the narrator insist on keeping the stolen horse for a year? Why did Mourad oppose the

idea?

29. Have you come back? said the woman I thought that no one had come back'.

30. Why did the narrator go to Number 46 Mareoni street?

31. How was the narrator convinced that she had made no mistake and had reached the right address?

32. How did the woman try to avoid the narrator?

33. Who was Mrs. Darling?

34. Who had given the narrator the address? Why had she waited a long time to go there?

35. Why did the narrator feel an urge to see her mother's belongings?

36. What type of the life and poet's mother lead in her childhood?

37. What else did the poet tell about his mother beyond her childhood days?

38. How did the poets mother feel looking at the snapshots some twenty-third years later?

39. The three stanzas depied three different phases name them.

40. What has the camera captured?

Writing Section

1. Write an article about Mis guided youth.

2. Write an article about corruption in India.

3. Write an advertisement for the job vacant.

4. Write an appliation for the job needed.

5. Make one dairy and tree regarding you son and grandson of the grandlady (Protrait).

6. Write one formal letter to M.C.D. Commissioner for the sewage problem in your

locality?

7. Write two words with their meaning which are never known before?

8. Write a notice head boy/head girl on the 8th annual day celebration.

9. Write two editing and two omission.

10. Write a report as being the reporter of school magzine how we celebrated our foundation

day?

Economics

Q.1. Collect newspaper articles related to the following topics and write 9 brief not about them

and make scrap file. (two articles on each topic).

Topics-

i) Rural economy

ii) Devolution of Indian Rupee

iii) Inflation

iv) Foreign Direct investment in India

v) Role of statistics in making the economic policies.

Q.2. Convert the following series into less than and more than series:

X 0-10 10-20 20-30 30-40 40-50 50-60

Y 3 7 10 15 8 4

Q.3. Given below the wages of 20 labours. Prepare discrete series from it.

15 10 20 15 5 20 10 54 20 25

30 25 10 15 25 10 5 20 25 10

Q.4. Given below the marks obtained by 25 students in an examination from this prepare less than and more than series:

22 28 30 32 35 36 40 41 43 44 45 46 48

49 52 53 34 56 56 56 58 61 62 65 68 39

Q.5. Correct the following simple frequency distribution into cumulative frequency distribution:

Classes 0-10 10-20 20-30 30-40 40-50

Frequency 10 15 25 30 10

Q.6. Correct the following inclusive series into exclusive form

Class Interval

0-9 10-19 20-29 30-39 40-49 50-59

Frequency 2 4 3 4 2 2

Q.7. Find class interval from the given information:

Mid value 5 15 25 35 45 55

Frequency 3 1 3 10 4 2

Q.8. Correct the following series into simple form:

Wages below

5 10 15 20 25 30

No. of workers

3 1 3 10 4 2

Q.9. Correct the following series into exclusive series:

Marks above

0 10 20 30 40 50

No. of students

50 48 40 22 10 2

Q.10. The mean age of 40 students is 16 years and the average age of another 60 students is 20 years. Find out the mean age of all 100 students together.

Q.11. Using shortcut method, determine arithmetic means:

X 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80

F 5 7 15 25 20 15 8 5

Q.12. Using step deviation method, calculate arithmetic means:

Class interval

20-25 25-30 30-35 35-40 40-45 45-50 50-55

Frequency 10 12 8 20 11 4 8

Q.13. Using step derivation method, find out arithmetic mean:

Class interval

10 20 30 40 50 60

Frequency 8 12 9 6 10 5

Q.14. Calculate arithmetic mean form the following table:

Marks Below

10 20 30 40 50 60 70

Frequency 18 35 58 73 88 96 100

Q.15. Find the missing value where mean is 52

Wages 10-20 20-30 30-40 40-50 50-60 60-70

Frequency 5 3 4 X 2 6

Q.16. Find the value of x where mean is 115

Wages 110 112 113 117 X 125 128 120

Frequency 25 17 13 15 14 8 6 2