B. D. PUBLIC SCHOOL, BUDDHA COLONY, PATNA SUMMER VACATION ASSIGNMENT – 2015 CLASS – XI Dear children, The Summer Vacation is often taken as synonymous with fun and frolics, getting up late in the morning, playing for longer hours with friends, going on trips and watching fun-filled shows on television. But dear children, a successful warrior keeps a laser-like focus on his target, and I hope, like a true warrior, you would also focus all your attention on your target without wasting your precious time of summer vacation on useless exercises. It‟s time for you to refresh yourself while revising your lessons. You should use this summer vacation to prepare yourself for AISSCE-2017 and other competitive examinations. Remember, success usually comes to those who are too busy to be looking for it. Summer vacation gives you an opportunity to contemplate over your acts & achievements and explore future possibilities. It‟s not possible for any one to go back and make a new brand start, but anyone can start from now and make a brand new ending. Now, it‟s time for you to start and make a brand new ending, breaking all the past records. Here is the “ Summer Vacation Activity Treasure Box” for you which will mould you for a better and successful forthcoming year. Therefore, get ready to hunt your Activity Treasure Box now and set a new record in the coming examinations. _____________________________________________________________________ _ ENGLISH Read the following passage and answer the questions that follow. The singing of this song threw the animals into the wildest excitement. Almost before Major had reached the end, they had begun singing it for themselves. Even the stupidest of them had already picked up the tune and a few of the words and as for the clever ones, such as the pigs and dogs, they had the entire song by heart within a few minutes. And then, after a few preliminary tries, the whole farm burst out into „Beast of England‟ in tremendous unison. The cows lowed it, the dogs whined it. They were so delighted with the song that they sang it right through five times in succession, and might have continued singing it all night if they had not been interrupted. a) Pick out five common nouns from the passage b) Parse the following sentences of the passage (i) The singing of this song threw the animals into the wildest excitement. (ii) They were so delighted with the song that they sang it right through five times in succession. c) Pick out five adjectives from the passage and name their kinds. d) Pick out five main verbs from the passage and write their forms. 2. Put the verbs into the story in the correct form ( feel, put, look, run, scream not believe, blow say, arrive, not wait). When the Dixons________ at their holiday villa, they realized that something was wrong. But what was it ? The villa ________ nice, and the children seemed happy but for some reason they _______ that the place was dangerous. The villagers ______ that there were ghosts but the Dixons _______ in ghosts . They opened the front door and _______their cases down. At that moment, a woman _______ and a cold wind ________through the house ________. The Dixons -2______to find out what or who it was. They turned and _______back to the car and drove away from the village forever. 3. Your school is organizing an excursion to Dehradun for the students of class XI. Draft a notice in not more than 50 words for your school notice board giving all the necessary details. Invite the names of those who are interested in going. You are Ramesh / Ramya, Co-ordinator, of school activities of B.M. Senior Secondary School, Agra. 4. You have lost your leather wallet containing your examination Entry Ticket for class XII, while travelling by bus from Banshankari to M.G. Road in Bengaluru. Write a notice in not more then 50 words, to be published in “Deccan Herald”. You are Pranav/Parveen, 12 Gandhi Road, Bengaluru . 5. You have noticed many stray animals on the road during the busy hours of the day. These animals cause traffic Jams as well as accidents. You have already written to the concerned authorities but no action has been taken so far. Write a letter to the Editor, The Hindu, drawing attention of the Municipal Commissioner, Chennai. You are Shantha/Suresh, 12 M.G. Road, Chennai. 6. Write an article in 150-200 words on the topic „Poverty is the cause of all evils‟, to be published in the Young world of „The Hindu‟ , Chennai. 7. Regular Practice of Yoga can help in maintainig good health and even in prevention of so many ailments. Write a speech in 150-200 words to be delivered in the morning assembly on the usefulness of yoga. 8. „Direct to Home‟ lessons relayed on TV channels are no substitute for actual classroom. Write an article in 150-200 words on „Can DTH classrooms ever replace schools or colleges ?‟ You are Jyoti/Jagan. 9. A inter-school debate is being arranged on the topic “Globalization: Its Positive Effects”. You are Sukumar / Sukanya of Maxwell International School, Greater Kailash, New Delhi- 110019. You are selected to participate in the said contest. Write a debate on the same. ( word limit : 150- 200) 10. You are Sumit / Sunita of Springdale Sr. Secondary School , Dwarka, New Delhi. Your school has arranged a debate contest on Republic Day. The topic selected is “ Justice delayed is justice denied”. Write a debate in 150-200 words. Physics 1. What is Physics ? 2. Name the contribution made by the following physicists. a) Maxwell b) Max Plank c) C.V. Raman d) de Broglie. 3. Name two Indian physicists who have been awarded Nobel Prize in Physics. 4. “The most incomprehensible thing about the word is that it is comprehensible” who said this ? What does this mean ? 5. List the characters of nuclear forces. 6. Match the scientist‟s name against their discovery:A) Scientist B) Discovery a) Faraday (1) Law of gravitation b) Rutherford (2) Quanta model of hydrogen atom c) Chadwick (3) Unification of light and electromagnetism. d) Bohr (4) Theory of relativity e) Newton (5) Inelastic scattering of light f) Maxwell (6) Law of Electromagnetic induction g) Salam (7) Expansion of universe h) Einstein (8) Neutron i) Raman (9) Nuclear model of atom -3j) Hubble (10) Unification of weak and electromagnetic interaction. 7. Distinguish between fundamental and derived units. 8. Fill in the blanks :a) The volume of a cube of side 1 cm is equal to _______ m3. b) The surface area of a solid cylinder of radius 2 cm and height 10cm is equal to -------(mm)2. c) A vehicle moving with a speed of 18 Km/hr covers ------ m in 1 sec. d) The relative density of lead is 11.3. Its density is ------ g cm-3 or ------ K gm-3. 9. A parsec is a convenient unit of length on the astronomical scale. It is the distance of an object that will show a parallax of 1” ( second ) of arc from opposite ends of a baseline equal to the distance from Earth to the sun. How much is a Parsec in terms of meters ? 10. A SONAR ( Sound navigation and ranging ) uses ultrasonic waves to detect and locate objects under water. In a submarine equipped with a SONAR, the time delay between generation of a probe wave and the reception of its echo after reflection from an enemy submarine is founded to be 77 sec. What is the distance of the enemy submarine ( speed of sound in water = 1450 m/sec) . 11. Write the full form of (i) RADAR (ii) SONAR 12. Write the order of following length in meters:a) Radius of earth b) The height of average man. c) Thickness of sheet of paper d) The radius of hydrogen atom. 13. Write the order of following intervals in second a) Time between two heart beats. b) Time of earth‟s revolution c) Time of earth‟s rotation d) Human life 14. Distinguish between fundamental and derived units . 15. Fill in the blanks :a) 1 micron = ------- m b) 1 Fermi = ---------m 16. Fill in the blanks :a) The volume of a cube of side 1 cm is equal to ------- m3. b) The surface area of a solid cylinder of radius 2 cm and height 10 cm is equal to ------ (mm)2 c) A vehicle moving with a speed of 18 km/hr covers ----- m in 1 sec. 17. Define the following a) Astronomical unit b) Light year c) Parsec. 18. Fill in the blanks :a) Light year is the unit of -------b) S.I. unit of angle is -------c) The standard atmospheric pressure equal ------- dyne/ cm2. d) Hertz is the unit of ---------e) Watt second is the unit of -------19. Write the ratio of S.I unit to CGS unit a) Surface Tension b) Coefficient of viscosity c) Torque. 20. Define the following terms ( units ) a) meter b) kilogram c) second d) Ampere e) mole. Business Studies 1. Learn & memorize all assignment questions of chapter -1. 2. What is sole proprietorship ? Describe its features. 3. Describe the merits & demerits of sole proprietorship 4. What is partnership ? What are its different types . 5. Describe features, merits & demerits of partnership. 6. Describe the types of partners. -47. What is partnership deed ? What is its importance ? 8. What is J.H.F. business ? What is its features? 9. What is dayabhaga & mitakshara types of JHF ? 10. What are the merits & demerits of JHF? Economics 1. Prepare a Brief Project Report on Earthquake in Bihar ? 2. Draw a Bar Diagram. Month Sales Jan 10 Feb 20 March 30 April 40 May 50 3. What is Economics ? Explain it‟s importance in our life ? 4. What is scarcity ? Do you agree it is always present inside the society ? 5. Prepare a Project Report for Development of Nepal in way of Suggestion? Accountancy 1. Solve the practical problem of Journal Entry ( ABD Publication ) 2. Make a project file containing the details of one month Business Transactions and Record Journal Entry. __________