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1 HOLIDAY HOMEWORK (2017-2018) CLASS XI NOTE: DO YOUR HOLIDAY HOMEWORK IN ASSIGNMENT NOTEBOOKS. ENGLISH Q1 Mr. Subramanian, a banker, and Dr. R. Madhavan, a peditrician, roamed the streets of Chennai every morning with their cycle filled with saplings. Armed with a desire for green Chennai, they would give these saplings to people to plant in their homes. They started the Global Greenways. They have personally planted 25,000 saplings. They are planning to celebrate the Green Week. Make a poster for putting up in various parts of the cities inviting people to this event. Invent all the necessary details. Q2 You are Vasundhra, a student of Class XI of Golden Era Public School. You have lost two books issued in your name from school library . Draft a notice to be put up on the school notice board regarding the books, in not more than 50 words Q3 Write a factual description of the muti-storeyed shopping mall in your locality. Describe details of layout, special facilities of ATM, restaurants, escalators etc. Q4 You are Anoop, studying in class XII. Browsing through your younger sibblings books has really impressed you. The new books published by N.C.E.R.T are not only pathbreaking, colourful, imaginative but they also contain information about the latest trends and people. Write a letter to the Editor of a daily newspaper, expressing your views regarding this encouraging trend. Q5 Read novel Up From Slavery by Booker T Washington. Attempt the character sketch of all the prominent characters in your note book MATHEMATICS Q: 1) A college awarded 38 medals in football, 15 in basket ball and 20 in cricket. If these medals went to a total of 50 men and only five men got medals in all the three sports, how many received medals in exactly two of the three sports? Q: 2) If A = { x : x = 4n + 1, n 5, n N } and B = { 3n : n 8, n N }, then find : (i) A (A - B) (ii) A (AB) (iii) (AUB) (AB). Q: 3) Illustrate by means of Venn diagrams that: (i) A (B U C) = (AB) U (AC) (ii) A (B C) = (AB) (AC) (iii) A (BC) = (A B) U (A C) (iv) A U (B C) = (AUB) (AUC) Q: 4) Let A, B and C be three sets such that A U B = C and A B = , then prove that A = C B. 2 Q: 5) Two finite sets have m and n elements. The total number of subsets of the first set is 56 more than the total number of subsets of the second set. Find the values of m and n. Q: 6) In a survey of 600 cadets in a school, 150 students were found to be interested in joining IAF and 125 interested in joining only IN. Find how many students were interested neither in IAF nor in IN? Q: 7) Solve the following system of linear inequalities graphically: x + y 4; 3x + y 4; x + 5y 4; x 3, y 3, x 0, y 0. Q: 8) Find the linear inequations for which the shaded area in the figure given below is the solution set y-axis Q: 9) For any two sets A and B prove by using properties of sets that: (i) (AUB) - (AB) = (A B)U(B A) (ii) (AB) U (A-B) = A (iii) (AUB) A = B A Q: 10) A survey 500 television viewers produced the following information; 285 watch football, 195 watch hockey, 115 watch basketball, 45 watch football and basketball 70 watch football and hockey, 50 watch hockey and basketball, 50 do not watch any of the three games. How many watch (i) all the three games (ii) exactly one of the three games (iii) exactly two of the three games (iv) hockey and football but not basketball (v) atleast one of the game. x=3 x = 2y y=3 x-axis 3 PHYSICS tension and m is mass per unit length of 4 CHEMISTRY Q1. A sample of nickel weighs 6.5425 g and has a density of 8.8 g/cm3. What is the volume? Report the answer to correct decimal place. Q2. Express the following in S.I. base units using power of 10 notation (a) 1.35 nm (b) 0.0426 in (c) 1 day (d) 48g . Q3. Calculate the number of atoms of the constituent elements in 53 g of Na2CO3. Q4. A solution of oxalic acid is prepared by dissolving 0.63 g of the acid in 250 cm3 of the solution. Calculate molarity of the solution. Q5. If 20.0 g CaCO3 is treated with 20.0g of HCl, how many grams of CO2 will be produced? Q6. A golf ball has a mass of 40g and speed of 45m/s. If the speed can be measured within accuracy of 2%, calculate the uncertainty in position. Q7. The energy associated with the first orbit in the hydrogen atom is -2.18x10-18 J atom-1. What is the energy associated with the fifth orbits? Q8. Write the electronic configuration of the following elements: (i) Fe 2+ (ii) Cr3+ (iii) N3- (iv) Mn2+ Q9. Write all quantum numbers for the last electron of Cu. Q10. Prepare a chart on any one of the following topics: (i) Structure of atom (ii) chemical bonding (iii) photo electric effect (iv) cathode ray tube. COMPUTER SCIENCE Q1 Define the following terms (i) Abstraction (ii) Bluetooth (iii) Compiler Q2. Convert the following numbers. Show all your working steps a) (111101.1111)2 (?)10 b) (FABA . DAD)16 (?)8 c) (34.765)10 (?)16 d) (377.345)8 (?)2 e) (00011100 .101010)2 (?)8 f) (17456. 4567)8 (?)16 Q3 Write twos complement of the following numbers (i) -22 (ii) +16 Q4 Write the equivalent C++ expressions for the following - (1) p=2(L+B) (2) z=2(p/q)2 (3) s=1/2mv2 (4) x=-b+(b2-4ac) /2a (5) (6) | ex 4ax| 5 Q5 Give header files for the following functions : cos(), fabs() , clrscr() , pow() ,gets( ), getch() Q6. Rewrite the correct code and underline each correction: int main( ) { coutvar sqrs=var*var cout6 7. How could you keep yourself healthy against modern lifestyle changes ? 8. How does participation in games and sports helps in developing physical fitness? 9. Last year, our school organized a programme Run for Unity. All the students and teachers of ours school were involved in this race. Such runs promote unity, peace and harmony among the people. After covering a distance of two kilometers, one student felt chest pain spontaneously. He complained to a teacher regarding pain. Immediately some of the teachers, who were running beside him, took him to the doctor for necessary check up. His blood pressure was measured and ECG was also performed. Doctor said that it was not the case of heart problem. It was surely the problem o second wind which is a usual phenomenon for individual who does not practise to run a race. Based on the above passage, answer the following questions: 1. What is the purpose of run for unity? 2. What values did the teachers show by taking the student to the doctor immediately? 3. Was the student enough physically fit? BUSINESS STUDIES Q1 Anish wants to start a wholesale business of readymade garments, but he is hesitating as it involves various problems such as customers for moving goods from place of production to market, informing customers about new designs and varieties added every season, threat of loss by fire or accident, storing the excess stock of goods, etc. He approaches his friend Sandeep who explained him about some branches of commerce, which can help Anish to overcome his hesitation. a) State the type of business Anish is planning to start. b) State which dimension of commerce can help Anish to overcome his problems. Quote the line for each type from above para. Q2 Explain the factors to be considered before starting a new business. Q3 Earning of profit cannot be objective of business anymore than eating is the objective of living. Do you agree with this statement? Give reasons to support your answer. Q.4 Why is commerce considered as backbone of industry and other business related activities? Q5 Harish the farmer produces wheat for selling in the market. He also sold his old car at a profit. Can these activities be termed as a business activity? Explain.. Q6 Rajiv is the sole owner of a shirt manufacturing factory. He took loan of Rs.30 lakhs from Jain finance company for expansion of his business. In beginning business was running well but later on he started facing losses and due to continuous losses he was not able to repay the loan. After receiving many reminders from finance company, Rajiv planned to close the business. He sold all his machines and other assets and collected Rs.20 lakhs. He requested the finance co. to settle the accounts by taking Rs.20 lac. The finance co. refused and plans to file a case against him in court. In court,Mr.Rajiv gave the argument that he has sold all his business assets and loan was taken by him for business and not for personal use. So finance co. must settle the account by taking Rs.20 lac.The court did not agree 7 with the argument of Rajiv and gave the decision in favour of finance company and order Rajiv to pay full loan amount by selling his personal asset. a) Name and explain the form of business carried by Rajiv? b) State the feature of business form which is kept in mind by court while taking decision. Q7 Which form of business is suitable for following types of business and why? (a) Cement factory (b) Hotels (c) Shopping malls (d) Consultancy business 1. Collect 3 important business news every week from the newspaper or business journals and paste them 0n A4 size sheets (separate folder is to be maintained for this) 2. Collect data (for past five years) on any 3 business firms who are actively engaged in exercising their social responsibility ACCOUNTANCY Q 1 Amit has incurred an expense of Rs 5,000 towards repairs .However the amount is yet to be paid. How will it be shown in the accounting equation. Q 2 Which accounting principle requires that life of a business be broken into smaller parts? Explain. Q 3 Sitar started his business on January 1, 2016 with Rs 8,00,000 and a loan of Rs 20,000 from a bank. He earned a profit of Rs 2,20,000 during the year. His total assets at the end of the year were Rs 14,10,000. Find out the amount of outsiders equity . Q 4 Explain accounting in terms of Identifying, Recording, Classifying, Summarizing, Interpreting and Communicating process. Q 5 Identify the two accounts involved in the following transactions. Also indicate which account will be debited and which will be credited with reason for each. Rs (a) Interest received 6,000 (b) Paid cash to Sahil 10,000 (c ) Deposited cash into bank to open an account 5,500 (d) Salaries paid to staff 20,000 (e) Purchased goods from Mohan on credit 7,500 Q 6 Define the following terminologies: (a) Purchases (b) Revenue (c) Creditors (d) Capital (e) Cost Q 7 Give one example of each of the following cases: (a) Increase in one liability and decrease in another liability. (b) Increase in assets and increase in liability. (c) Increase in one liability and decrease in another liability. (d) Decrease in owners equity and decrease assets. 8 Q 8 Show the effect of the following transactions on Accounting Equation: Rs (a) Pranshu started business with 10,00,000 (b) Purchased goods from Manoj on cash 2,00,000 (c) Sold goods to Megha costing Rs 25,000 20,000 (d) Rent paid 1,000 (e) Cash received from Megha in full settlement of his account 18,500 (f) Salary outstanding 2,000 (g) Purchased furniture 10,000 (h) Withdrew for personal use 13,000 (i) Sold goods costing Rs 20,000 at a profit on 10% & half the goods are sold on credit basis. (j) Commision received in advance Rs 100 and interest accrued Rs 500 Prepare 3 Flash Cards on Accounting Principles & Accounting Standards on A4 size sheet. ECONOMICS I Prepare chapter 1 and chapter 2 of Indian Economic Development for Unit Test . II Make a Power point Presentation on any suitable Economic issue in context of Indian economy: Some of the suggested topics may be as follows: RECESSION, LIBERALISATION, GLOBALISATION, PRIVATISATION, DEMOGRAPHIC STRUCTURE, OCCUPATIONAL STRUCTURE, FOREIGN DIRECT INVESTMENT, OUTSOURCING, EMPLOYMENT GENERATION, SUBSIDIES. Etc. III Read chapter Poverty and find out the answer of the questions given below: 1. Who are poor? 2. Are poor in India same as poor in any other developed country? 3. Why majority of people live in state of poverty in India? 4. List some steps that we can take to improve the conditions of poor. 5. What are the measures adopted by Indian government to eradicate poverty from the country? Read Chapter Environment and sustainable Development and find out answers of the questions given below: 1. What are the various reasons for environmental crisis? 2. What causes decline in quality of air in big cities like Delhi? 3. Enumerate some of the ways to control air pollution. 4. What is global warming? Why does it occur? 5. What are the various causes of land degradation? IV Answer the following question in assignment notebook: 1. How did discriminatory tariff policy contribute to the success of industrial revolution in Great Britain? 9 2. you have unlimited wants and limited resources to satisfy them. Explain this statement by giving two examples. 3. Underscore some of Indias most crucial economic challenges at the time of independence. 4 Do you think technical change in agriculture is more important than the institutional reforms? Give reason for your answer. 5. Briefly describe the main objectives and targets of Eleventh Five Year Plan. 6. Gross Domestic Product (GDP) of a country is derived from the different sectors of the economy, namely the agriculture sector, the industrial sector and the service sector. At higher levels of development, which sector is providing more value to GDP? Give reason. 7. Though public sector is very essential for industries, many public sector undertakings incur huge losses and are a drain on the economys resources. Discuss the usefulness of public sector undertakings in the light of this fact.


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