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ARMY PUBLIC SCHOOLDELHI CANTTHOLIDAY HOME WORKCLASS – XI(2019-20)“If a child is to keep alive his inborn sense of wonder, he needs the companionship of at least one adult who can share it, rediscovering with him the joy, excitement and mystery of the world we live in.”- Rachel Carson.HOLIDAY HOME WORK FOR ENGLISHMake a scrap book and compile the following in it:Read a national newspaper daily and select at least 5 articles ( social/ political) for the scrapbook,Pick out at least 20 new and difficult words. Find out their meanings and make at least two sentences of your own using them.Write two letters to the editor related to the articles you choose. Discuss the problems and offer solutions as well.Write about the different figures of speech used in literature. Discuss with suitable examples.Read about Khushwant Singh and also read any one of his works. Write a book review on the chosen work.Suggested readings:Train to PakistanThe End of IndiaKhushwantnama: Lessons of my LifeAbsolute Khushwant HOLIDAY HOME WORK FOR PHYSICSQ1 Search link between technology & Physics for the following scientific principles :(a) Laws of thermodynamics(b) Controlled nuclear fission( c) Digital logic(d) Light amplification by stimulated emission of radiation(e) Bernoullis principle in fluid dynamics (f) Total internal reflection of light(g) Trapping & controlling of atoms by laser beams & magnetic fieldsQ2 Give the major contributions / discoveries by the following scientists :(a) R.A Millikan(b) Niel Bohr( c) C.V Raman(d) M.N Saha(e) S.N Bose(f) Enrico Fermi (g) Edwin Hubble(h) Hideki Yukawa(i) S. ChandrasekharQ3 The sun,s angular diameter is measured to be 1920”. The distance D of sun from earth is 1.496x1011m. What is the diameter of sun ?Q4 Find the relative error in Z if Z= A4B1/3/ C D3/2Q5 Convert 3ms-2 into kmh-2 by using suitable conversion of units .Q6 Convert G= 6.67x10-11Nm2/kg2 into C.G.S system using method of dimensions Q7 State the no. of significant figures in the following :(1) 7.24x1011m(2) 0.0702m(3) 2.320 Kg(4) 1.0152 dynes/ cm2(5) 0.15690 Kgm-3Q8 In a vernier calipers instrument if 5th div. of main scale coincides with 10th div. of vernier scale, What would be the vernier constant of the instrument ?Q9 The length breadth & thickness of rectangular sheet of metal are 4.126m,1.105m & 2.06 cm respectively Give the area & volume of sheet to correct no. of significant figures.Q10 A physical quantity P is related to four observables a,b,c,d as follows : P = a2b3/cd1/2 . The % error in a,b,c & d are 2%, 1%, 3% &4% respectively. What is the % error in quantity PQ11 Check by method of dimns. the consistency of following physical equation : K = 12 MR2ω2 Where K is K.E of rotation, R is radius, ω is angular velocity,M is massQ12 If ( P+a/v2) (V-b) = RT , determine the dimensions of a & b , where P stands for pressure ,V for volume , v for velocity , R for gas constant & T for temp.Q13 Freq. of vibration of stretched string depends on (1) length l of string (2) tension T in string (3) mass per unit length M of string . Deduce formula for it using method of dimension.Q14 If each side of cube is measured to be 5.106 m , determine its total surface area & volume to correct significant figures .Q15 Resistance R =V/I , where V = (200+- 2) V & I = (5+- 0.1) A . find % error in RQ16 We measure period of oscillations of simple pendulum . In successive measurements the readings turn out to be 2.63 s , 2.56 s , 2.42s, 2.71s , &2.80 s . Calculate the absolute error , relative error & % error .Q17 A car is moving along a straight line say OP . It moves from O to P in 12 s & returns from P to Q in 9 sec. What are average velocity & average speed of car in going from (a) O to P(b) from O to P & back to Q ? 0_____40____80_____120____160____200_____240______280_____320_____360___400O Q P +x(m)Q18 The position of an object moving along x axis is given by : X = a+ bt2 where a = 4m , b= 2ms-2 & t is measured in seconds . What is the velocity of at t=0 sec. & t=1 sec. . what is the average vel. bet. t=2 s to t= 4 s. Q19 A ball is dropped from a ht. of 90 m on a floor . At each collision with the floor , ball loses 1/10 of its speed . Plot speed time graph of its motion between t=0 to 12 s .Q20 A man walks on a straight road from his home to market 2.5 km away with a speed of 5km/h . Finding the market closed , he instantly turns & walks back with a speed of 7.5km/h . What is the (a) mag. of average velocity (b) average speed of man over the interval of time :(1) 0-30 min. (2) 0-50 min. (3) 0-40 min.Q21 Use Fig. below and geometry to find (a) the average velocity of the particle in time t and (b) the time at which the velocity of the particle equals the average velocity.Q22 A particle starts from rest and undergoes accelerations as plotted in Fig. 3 below for the first three seconds. Plot a graph of (a) velocity v as a function of time t and (b) position x as a function of time t taking xo?= 0. Find (c) the maximum velocity during the period and (d) the distance moved by the particle in 3.0 s.HOLIDAY HOME WORK FOR CHEMISTRYIMake notes on important points on “ Environmental chemistry “.IIMake a power point presentation on “Environmental chemistry”.IIIFrame 1 , 2 and 3 marker questions (5 each type) on the following topics taught in the class from NCERT :Molar MassMole conceptSignificant figuresEmpirical and molecular formulaeBalancing of chemical equationsFormation of compoundsFamiliarization with the periodic tableWriting formulae of inorganic compounds.IVLearn the main definitions, scientific terms, and make a chart on important formulae from the chapter “some basic concepts of Chemistry”. HOLIDAY HOME WORK FOR MATHS 1) Make a list of formulae of the chapter 32) revise ch 33) solve 50 extra questions based on ch 3 other than NCERT(questions enclosed)4) make a ppt of the chapter alloted group wiseSolve the following questions in a separate notebook.Find the value of sin(π + x) sin(π – x) cosec2x.If cosx = - 25 , find the value of cos2x.Find the values of :3sin π 6 sec π3 – 4 sin 5π6 cot π42 sin2 (π)6 + cosec27π6 cos2π3If tanx = 12, find the value ofTan 2x(ii) sin 2xExpress each of the following into sum or differences:2 sin 5x cos 2xiii) 2 cos 5x sin 2xCos 7x c0s 3xiv) sin 11x sin 4xExpress each of the following as a product:Sin 11x + sin 5xCos 7x + cos 4xCos3x – cos 8xSin9x – sin5xWrite the principle solution of the following.Sinx = 32Tanx = 13Write the general solution of the following.Sinx = 12Cosx = 12Sinx = -323 tanx + 1 =0If sin2x = cos3x , and 0 ≤ x <1 , then find the value of x.Find the degree measure of the angle subtended at the Centre of a circle of diameter 200cm by an arc of length 22cm.Find the values of the followingTan 19π3Sin (- 11π3)Cot (- 15π4)Cosec ( -19π3)If sinx = 35 , cos y = - 1213 and x , y both lie in the second quadrant, find the value of Sin (x+y) b) cos (x-y)Show thatSin α + sin ( α + 2π3 ) + sin ( α + 4π3 ) = 0Find the value ofsin3x+sin5x+sin7x+sin9xcos3x+cos5x+cos7x+cos9xEvaluate : sin130 cos110 + sin110 cos130Solve the following equationsSin2x= - 12Tan3x = -1Cos3x= sin2xSin3x + cos2x =0If tan A = 56 , tan B= 111 , prove that A + B = π4Prove that Cosx –sinx = cos (θ+ π4)Solve: sin2x – sin4x + sin6x =0Solve the equationTan 2x = tan x2Prove that Cos6 cos42 cos66 cos78 = 1/16Find the value of tan (2212 )Prove that Cos10x + cos8x + 3cos4x + 3cos2x= 8 cosx cos33xIf 5 sinθ= 3. Find the value of secθ+tanθsecθ-tanθFind minimum value of sec2θ + cosec2θWrite and learn all the formulae.Prepare ch- setsSets and their reprentationsSubsets of a setOperations on sets ( union and intersection of sets)Difference of sets and complement of a setPractical problems on union and intersection of sets.Each student of a group will prepare the topic and will discuss and teach the other group members. HOLIDAY HOME WORK FOR BIOLOGY HOLIDAY HOME WORK CLASS 11 SUBJECT –BIOLOGY1- . Why are living organisms classified? 2- Why is the classification system changing every now and then? 3- What is binomial system of nomenclature? 4- What are different levels of hierarchy of classification? 5- Define the terms. Phylum, class, family, order and genus 6- Give full form of – (a) ICBN (b) ICZN 6. What are different taxonomical aids? Explain. 7.Why all organisms have not been described and identified ?8. The common name of rice is simpler than its technical name Oryza sativa.What then is the advantage of a technical name?9. Botanical garden are living herbaria. Comment.10. Describe briefly the various means of recording description of species. How does it help us?11. How euglenoids more advanced than blue green algaefrom evolutionary point of view ?12. What do the statement contagium vivum fluidum signify?13 . Anuradha while throwing away staled out-dated bread noticed green and black patches on it> She took the stale bread in her college laboratory observed it under the microscope.What might have she observed under the microscope ?Name the structure that Anuradha observed ?What values are associated with her observations?14. Why do mosses generally occur in regions which are moist?plete your practical file A experiment no. 1,observation B serial 1, 2, 3,draw all diagrams neatly with pencil only , label and draw margins HOLIDAY HOME WORK FOR PHYSICAL EDUCATIONPractical No. 1: Draw a neat and labeled diagram of 400 meter Track & Field with Computations.Practical No. 2: Draw a labeled diagram of field & equipment of any one game of your choice out of the below list. Mention the Indian history, rules & regulation, terminology & skills, famous sports person’s name of that game.Practical No. 3: Explanation & list of 2017 National Awardees (Dronacharya Award, Arjuna Award & Rajiv Gandhi Khel Ratan Award).Revision of Unit- 1 and Unit- 2.Note: Used only A4 sheets (Inter- Leaf sheets).Badminton, Football and Volleyball (any one).HOLIDAY HOME WORK FOR HOME SCIENCEMake a table of career options in the various areas of Home Science .Make a powerpoint presentation on Prevention from Preventable Diseases in Childhood (polio , diphtheria , pertussis, tetanus , measles , chicken pox , mumps , cholera , diarrhoea )Make a ppt on Managing Emergencies ie first aid for common emergencies . Prepare notes of the following chapters –Ch 1- Meaning and scope of Home Science.Ch 2-Introduction to Various Stages of LifeCh 3-Infancy (0-2years)Ch 4-Early ChildhoodCh5-ChildhoodCh6-Protection from Preventable Diseases5.Collect immunisation schedule cards for 0-5 years age group.6. Prepare a ppt on “Food ,Nutrition ,Health and Fitness “HOLIDAY HOME WORK FOR ACCOUNTANCYHOLIDAY HOMEWORKCLASS - XIACCOUNTANCYQ1. Distinguish between book-keeping and accounting.Q2. Explain various stages involved in Accounting process .Q3. Discuss any five limitations of accounting.Q4. ‘Accounting records financial transactions in terms of money.’ Explain.Q5. Discuss any five advantages of accounting.Q6. Explain ‘reliability’ and ‘understandability’ as a characteristic of accounting information.Q7.Mr. Bean started business for buying and selling of readymade garments with Rs. 8,00,000 as initial investment. Out of this he paid Rs. 4,00,000 for the purchase of garments and Rs. 50,000 for furniture and Rs. 50,000 for computers and remaining amount was deposited into the bank. He sold some of the ladies and kids garments for Rs. 3,00,000 for cash and some garments for 1,50,000 on credit to Mr Dean. Further, he brought men’s garments of Rs. 2,00,000 from Mr Clean. Mr. Bean withdrew Rs. 20,000 from the business for his domestic use. From the above, answer the following: (a) What is the amount of capital? (b) What fixed assets did he buy? (c ) What is the value of purchases? (d) Who is the creditor and state the amount ? (e) Who is the debtor and what is the amount receivable from him? (f) What is the amount of drawings of Mr. Bean ? Q8. In the Financial year 2018 -19 , the total sales of the firm were Rs.7,00,000 , Out of which Cash sales were Rs. 4,50,000 . The total expenses for the year were Rs. 5,00,000 , Out of which Rs.2,10,000 are still Outstanding . Determine Income of the firm for 2017 -18 as per : (a) Cash Basis of Accounting (b) Accrual Basis of Accounting Also Explain with reason Income from which source is more Reliable and Why ? HOLIDAY HOME WORK FOR GEOGRAPHY1. Prepare an Atlas based on maps given in Textbook II NCERT, ‘India physical environment’Administrative divisions of IndiaPosition of India in the worldPhysical divisions of IndiaMajor rivers of IndiaAnnual average rainfall in IndiaMajor soil typeNatural vegetation of IndiaBiosphere reserves of IndiaEarthquake hazard zones of IndiaDrought prone areas of India2. Prepare a power point presentation on any one physiographic division of India of your choice. It should include details of origin, location and other characteristics. Minimum 10 slides.3. Prepare a comparative report on any one HIMALAYAN river and one PENINSULAR river.4. Prepare a project on the various theories regarding the origin of the earth with special emphasis on the big bang theory.HOLIDAY HOME WORK FOR HISTORY1. Go to the CBSE site - cbse.nic.in ;check the topics for the project work ,collectinformation on any topic for the project file.2.Frame 20 questions of 2 marks, on the Theme Two-Writing and city life.3.Read Themes 1&amp;2 and learn the questions and answers from Theme- 14.Visit The National Museum especially the section on the Harappan and write a report onit in about 5 pages and pastes photos of your visit on another 5 pages.5. Watch at clippings\videos on any theme from the textbook and write a report on whatyou have seen it in not more than 5 pages.6.On the outline maps of the World, mark and namea.The important places mentioned in Theme One- From the beginning of timeb. Theme Two-Writing and city life.mark and name the important Bronze AgeCivilisations,rivers Tigris and Euphrates, and important Mesopotamian sites.eg. Uruk, Mari.HOLIDAY HOME WORK FOR ECONOMICSDraft a questionnaire on any one of the topics given below. You have to conduct survey on at least 50 families and analyse the data. ? 1 You are a District Education Officer who wants to assess the literacy levels and the reasons for dropping out of school children. ? 2 Suppose you are a vigilance officer of an area and you receive complaints about overcharging of goods by traders i.e. charging a high price than the MRP. Visit a few shops and prepare a report on complaints. ? 3 You are the chief health officer of a rural block. Identify the issues to be addressed through a project study. This may include health and sanitation problems in the area. ? 4 You are a bank officer and want to survey the saving habits of the people by taking into consideration income and expenditure of the people. Prepare a report. ? 5 Any other topic of your choice . HOLIDAY HOME WORK FOR PSYCHOLOGYHOLIDAY HOMEWORK – Class XI PSYCHOLOGY – 2019-2020Section A - The following weblinks to be visited for more information and better understanding of what Psychology is all about.History of Psychology to Psychology ways to understand lessons from Harry Potter Series B - Notebook work CompletionStudents to complete their notebook work.Psychology notebooks to have all the following:Concept Map for each chapterNCERT answers1/2/3/4/6 marker questionsIntext Answers Important terms from the textbook Names of Psychologists from each chapterMCQs from the chapter Creating & Analyzing Questions from each chapter All of the information pertaining to notebook work will be posted in class group. HOLIDAY HOME WORK: CLASS XISubject: Political Science2019-2020Book 1: Indian Constitution at WorkChapter 1Attempt the following questions on delta sheetsWhat is a Constitution? (1M)Which body created the Constitution and in how much time? (1M)What is referendum? Do you think the Indian Constitution was put to referendum? (2M) Describe the functions of the India Constitution. (4M)What were the recommendations /proposal of the Cabinet Mission with regard to composition of the Constituent Assembly? (4M)Read the passage and answer the questions that follow. (5M)The framers of the Constitution were not averse to borrowing from other constitutional traditions. Indeed, it is a testament to their wide learning that they could lay their hands upon any intellectual argument, or historical example that was necessary for fulfilling the task at had.From which Constitution have we borrowed the concept of Fundamental Rights? (1M)Describe briefly any two Fundamental Rights. (2M)Write the provisions that India has adapted from the British Constitution. (2M)Project Work For Internal AssessementStudents are required to collect all the necessary material (Pictures, cartoons, news clips, articles from other sources) and do the research work related to the ic: Lok Sabha Elections-2019 Activity: Analyse this election and submit a project report by including the following details.Importance of elections in a democratic country.Role of the Election Commission.Differentiate between General election and Assembly election.List the new political parties with their symbols who contested this election.Highlights of the campaigns and the slogans used by the various political parties.Any controversial issue or misconduct that have been part of this election.Voter turnout in various constituencies.Result details.Analyse the result with the help of a bar graph or pie chart. Any other relevant, unique or interesting aspect of this election.General Instructions The project should be well researched and pictorial.It will be done as a group activity.The project file will be made by each student individually including all necessary details like title page, heading, sub heading, acknowledgement etc. Each group will cover different aspects of the topic.Read newspapers daily, and collect relevant news clippings, pictures, cartoons from magazines. HOLIDAYS HOME-WORK (2019-20) CLASS 11TH BUSINESS STUDIES QUESTIONS BASED ON - CASE STUDY Q1 DhirubhaiChaurasiya operates a textile business. His family is joint and has a lot of ancestoral property. All the 15 family members are a part of this business. He is the eldest male member in the family so he heads the business. He is liable to all the creditors of the business as he is the decision maker. Dhirubhai’s grandson has just born a few days ago and he is also the member of the business. (a) Which form of business is being undertaken by DhirubhaiChaurasiya ? (b) Identify the features of this form of business based on the information given.(any 3) (c) Textile business is part of which type of industry according to you Q2 ‘Multi- Industries Private Ltd.’ is a big company of Private Sector. It produces several agricultural products like sugarcane, cotton,etc. This company uses all it's own agricultural products as the Raw Material instead of selling them in the market. The sugarcane is used to produce sugar and similarly, the cotton is to make cloth. The company has established its sugar and cloth mill at a place where the people were very much worried due to unemployment. In this way, the company provided employment to about 500 local people. Besides, the company paid a special attention to greenery all around its factories. The company's business is growing fast. To which sub-type of Industries are related the different products described in the above paragraph?Q3 Chanchal and komal are two twin Sisters. They have completed their studies. Now they are in search of employment. After a thorough study they decided to set up a flour mill. Their main job was to purchase wheat from the market and have it ground into flour. Their flour was available in the packings of 5Kg, 10Kg, and 50Kg. They named their brand ‘Maan Ka Dular’ and also decided that they would have only 8% profit on cost. Their activity of buying and selling became continuous. In no time, their brand became popular in the market. The main reason of their popularity were ‘superior quality and low price’.the business was running very well but one day their factory caught a terrible fire they have to suffer a heavy lost the brave sisters did not lose their heart gradually their business was back to normal now they are fully satisfied with their business.on the basis of the information given in the above paragraph tell to which aspects of business is it related.quoting the relevant lines write about five points in the context of (a).Q4 Rajat runs a chemist shop in a small town near a government hospital. Due to his proximity to the hospital, he is able to cater to large number of customers. Though Rajat can supply generic medicines which are comparatively much cheaper, he normally supplies the medicines from pharma companies, as it helps him in catering much greater profit margins as compared to generic medicines.Answer the following questionIdentify any TWO objectives of business other than earning profits.Q5 Mohan, Sohan and Ramesh are brothers living in a village Mohan is a farmer. He grows sugar cane in his field sohan is manufacturer of sugar who is doing the business with his friends Rohan Singh and Jitender. Ramesh is a transporter. He sells the sugar in the city using his truck. This year the sugar got spoiled due to heavy rain. Sohan his friends reduced the wages of his workers to cut down their losses. 1. Classify the business activity undertaken by Mohan & Ramesh.2 . What type of business risk is faced by them ? Explain Q5 “Every day Amul collects milk from 2.12 million farmers (many illiterate) & converts the milk into branded packaged products & delivers goods all over the country. The story of Amul started in Dec, 1946 with a group of farmers been to free themselves from intermediaries, gain access to the market & there by ensure maximum returns for their efforts” According to you, Amul is part of which type of industry ? Q 6 Reena is a sole proprietor. Over the past decade , her business has grown from operating a neighbourhood corner shop selling accessories su.ch as artificial jewellery , bags, Nail polish to a retail chain with three branches in the city. Although she looks after varied functions in all branches , she is wondering whether she should form a company to better manage the business. She also has plans to open branches countrywide. Explain 4 benefits and 4 limitations of remaining a sole proprietor.Q7 Somi, a tailor by profession was working in a famous boutique in kamla Nagar. He was a skilled worker with many years of experience at hand and saving worth 5 lakh he finally decided that he would start his own boutique. He rented a shop in Rohini He was not sure about his venture as now he would not have any security of income. But soon he started getting lot of work due to his efficiency & his profits increased. (a) Which type of economic activity was sonu undertaking when he was working in a boutique ? (b) Which form of business organisation did he opt for later ? (c) Identify any 2 merits & 2 demerits you can recognise of the form of business opted by him SHORT/LONG ANSWER- QUESTIONS Q 1. Organic Tea Ltd is a Singapore based company dealing in import of tea from India and re-exporting it to many South East Asian countries.It has a huge godown near the sea port where it has made scientific arrangements for storing tea till it is re-exported.Name the type of trade in the above case (b)Name the aids to trade being utilized by Organic Tea Ltd and which utility does it create.Q2 Classify the below given business into different types of industries(3)(a) Cosmetics manufacturing (b) Animal husbandry (c)Quarrying(d) Lumbering(e) Warehousing(f) Advertising Q3 MrAtulKapoor is confused as to which form of business he should follow for his garment business. You are his friend. Help him by rationally discussing the different factors so that he can take a sound business decision. Q4 MrRajnesh sold his furniture & bike on OLX as he was shifting base to London. Is this a business activity ? Which element of busines is being referred to here ? Q5 . NathuLal prepares ‘sonpapri’ for customers during Diwali season every year. He prepared more ‘Sonpapari’ than he could sell this year. He employed women and children also and paid them less salary manufacturing on the packages. This way he generated profit for himself. (a) Do you think he is fulfilling all the objectives of business ?(b) If not which aspects of this objective are not being fulfilled ?Q6. Write the name of form of business organisation found only in India. Q7 . Name two types of business in which sole proprietorship is very suitable. Q Q8. Name the person who manages a Joint Hindu Family business. . Q9. Enumerate the two conditions necessary for formation of Joint Hindu Family business. Q.1Q Give an example of activity which is economic in one side and non economic on other side.Q11 Which business activity removes all the hindrances in the process of exchange? It is also considered as the backbone of industry and other business activities. Discuss the various functions of this activity in briefQ12 Drkumar is an orthopedic surgeon in Jaipur Golden Hospital and DrMahajan, his friend is a Pedetrician who has set his own clinic. DrMahajan’s wife, Ms. Rajni operates her Jewellery store. Compare & differentiate the nature of tasks undertaken by them Q.13 Why is business considered an economic activity? Q14. It a person sells his domestic computer at a profit, will it be considered a business? Also explain the characteristic of business which is being stressed upon in the above said example. Q15. Name the economic activity in which specialised knowledge is required.Q16. Why is the insurance known as a teritary industry? Q17. Write four differences among business, profession and employment. Q18. “No business is risk free” in the light of this statement, explain the concept of business risk and its any three causes. Q19. Explain any four objectives of business Q20 Define commerce, why is it of great importance in modern life? Q.20 Distinguish between primary & secondary industry. Give examples. Q.21 Define business. Explain the characteristics of business (any four) Q.22 “Commerce is the sum total of activities that remove hindrances in the free flow of goods from producers to consumers.” Explain. Q.23 Explain any six factors that are important to be considered while starting a business. Q.24 Write difference among industry, commerce and trade on any five basis. Q.25 “Profit maxmisation can’t be the sole objective of a business”. Explain.Q26. In which type of secondary industry various raw materials are combined together to make the final produQ27. A person sells his old car at a profit . Can it be termed as business Activity. ?Q28 Tea is mainly produced in Assam, while cotton in Gujrat&Maharastra but they are required for consumption in different parts of the country. How can this hindrance of place be removed ? Also under what business activity will it becategorised. ................
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