HOLIDAYS HOMEWORK CLASS X SUBJECT : ENGLISH
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1 HOLIDAYS HOMEWORK CLASS X SUBJECT : ENGLISH Make a Scrap Book for the ISA Project Voice to Voiceless. The activity will be based on the Study on the following countries - India, Spain, China, Japan and North Korea. The students will be working in a group of five and each will work on a specific country. The Information will be collected on the basis of the following parameters: 1. Animals as Beast of Burden 2. Animals as Wild 3. Animals as Livestock 4. Animal Rights and Protection Acts
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3 Subject : MATHEMATICS REAL NUMBER (Assignment) CLASS X 1. Show that every positive even integer is of the form 2q, and every positive odd integer is of the form 2q+1 for some integer q. 2. Show that every positive integer is of the form 3q, or 3q+1 or 3q+2, for some integer q. 3. Show that any positive odd integer is of the form 4q+1 or 4q+3, for some integer q. 4. Show that square of an odd integer is of the form 4q+1 for some integer q. 5. Show that square of an odd positive integer is of the form 8q+1, for some integer q. 6. Show that n 2 1 is divisible by 8, if n is an odd positive integer 7. Prove that if x and y are odd positive integers, then x 2 + y 2 is even but not divisible by Prove that product of two consecutive positive integers is divisible by For any positive integer n, n 3 n is divisible by Use euclids division lemma to find HCF of i. 210 and 55 (ans 5) ii and (4) iii. 616 and 32 (8) iv. 850 and 680 (170) v. 240 and 1024 (16) 11. A merchant has 120 litre of oil of one kind, 180 litres of another kind and 240 litres of third kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be greatest capacity of such a tin? (ans: 60litres) 12. During a sale, colour pencils were being sold in packs of 24 each and crayons in packs of 32 each. If you want full packs of both and the same no. of pencils and crayons, how many of each would you need to buy? (4 packets of colour pencil and 3 packets of crayons) 13. Two brands of chocolates are available in packs of 24 and 15 respectively. If I need to buy if I need to buy equal no. of chocolates of both kinds, what is the least no. of boxes of each kind I would need to buy?(5 of first kind and 8 of second kind).
4 14. Prove that the following nos. are irrational nos. a. b. c. d. e. f. g. Q1 If mean of 4,6,8,10,x,14,16 is 10 then find the value of x. MATHS ASSIGNMENT ( ) STATISTICS CLASS X Q2 The mean of two observation is If two observations 6 and 9 are replaced by 8 and 14 respectively, find the new mean. Q3 The mean of the following frequency distribution is 14, find the value of k. x f k 5 Q4 The mean of following data is 50. find the missing frequency f1 and f2. C.I total frequency 17 f1 32 f Q5 The median of the distribution given below is Find the values of x and y, if the total frequency is 20. Class interval frequency 4 x 5 y 1 Q6 The following distribution shows the number of runs scored by some top batsman of india in one day international cricket matches: Runs scored Number of batsman 5 x 18 y If mode of the data is 3150, find the missing frequencies, when it is given that sum of the frequencies is 66. Q7 The following table gives the daily income of 50 workers of a factory: Daily income Number of workers Find the mode of the above data. also find the mean using empiricalformula, given that the median for the above data is Q8 Find the mode of the data,using an empirical formula, when it is given that median=41.25 and mean=33.75 Q9 which central tendency is obtained by abscissa of point of intersection of less than type and more than type ogive?
5 Q10 Draw less than ogive and more than ogive for the following distribution and hence find its median. Class interval frequency
6 Holiday Homework Class X SCIENCE Very Short Answer Type Questions: 1. What forms dental plaque? 2-. What is the result of dental caries? 3. What are the maintenance processes in living organisms? 4. Write the function of guard cells. 5, Name the materials taken up from the soil by the roots of terrestrial plants. 6. Name the respiratory pigment present in the red blood corpuscles of man. 7. Name the process by which plants exchange gases like CO2 and 02 through stomata. 8. Name the molecule which stores energy, released during cellular respiration. 9. During viqorous exercise, accumulation of which substance makes the muscles fatigued? 10. What are the raw materials used by an organism to obtain energy? 11. Where do plants get each of the raw materials required for photosynthesis? 12. What would be the consequences of deficiency of haemoglobin in our body? 13. Why production of starch is often used as a measure of photosynthesis although immediate product of photosynthesis is glucose? Name the set of conditions under which rate of transpiration is maximum. What is responsible for guttation? Short Answer Type Questions : 1. How multicellular organisms perform various functions? 2. Explain the cross-section of leaf diagrammatically. 3. List various functions of stomata. 4. Which is the actual site of photosynthesis in plants?
7 5. Mention the function of food vacuole formed in Amoeba. 6. List the functions of villi. 7.. Mention the uses of ATP in the cells. 8. How are the lungs designed in human beings for the exchange of gases? 9. How is oxygen and carbon dioxide transported in human beings? 10. Why is it necess~ry to separate the left side and right side of heart in mammals? 11. _Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? 12. What are the differences between autotrophic nutrition and heterotrophic nutrition? 13. )Vhat are the components of the transport system in highly organised plants? 14. What are the differences between the transport of materials in xylem and phloem? 15. List the events that occur during the process of photosynthesis. 16. Describe photosynthesis with a balanced chemical equation. 17. Draw a well labelled diagram of human alimentary canal. 18. (i) Write a short note on the given blood vessels. (a) Artery (b) Veins (ii) Mention the response of gall bladder to a fat rich meal. Name the bile pigments. 19. What are the methods used by plants to get rid of excretory products? 20. How are water and minerals transported in plants? 21. In the given diagram, label the part A, B, C and D.
8 22. What is the role of the acid in our stomach? 23. What is the function of digestive enzymes? 24. How is small intestine designed to absorb digested food? 25. What is the role of saliva in digestion of food? Long Answer Type Questions: 1. Diagrammatically represent the human respiratory system. 2. Differentiate between the following (a) Blood and Lymph (b) Erythrocytes and Leucocytes 3. What is the basic structural and functional unit of excretion and draw a labelled diagram of nephron? 4 Explain aerobic respiration in animals and mention its significance. 5. Draw a well labelled diagram of sectional view of human heart. Also explain how it pumps the blood to the various body parts. 6 How are fats digested in our bodies? Where does this process take place? 7. What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration. 8. Describe double circulation in human beings. Why is it necessary? 9. Compare the alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning. 10. Explain in detail the mechanism of excretion in human body. Prepare a family tree project on heredity by collecting the following information for two generations of your family. a) Blood group. b) Colour of eyes.
9 c) Height. d) Types of earlobe. e) Twins in the family. f) Complexion. g) Colour of hair. h) Genetics diseases such as diabetes, heart problem, obesity, cancer or any other. Summaries your findings, paste pictures of your family members of the two generations by making a family tree.
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12 HOLIDAY HOMEWORK SOCIAL SCIENCE CLASS-X Collect the pictures of historical events taken place in (Vietnam) from ). Make the albums on GOLDEN MOMENTS (Vietnam) How to prepare: Cover page Introduction Acknowledgement Index Information (INCLUDE) Name & Date of the event Reason Main leaders (if any) Effects Place A lot of pictures should be pasted.
13 HOLIDAY HOMEWORK ( ) S.U.P.W. (Computer) Class X 1. Computer Generations (Roll no 1-6) 2. Role of computer in education (Roll no 7-12) 3. Clouds Computing (Roll no 13-18) 4. Social Networking and its Impact(Roll no 19-24) 5. E- shopping(roll no ) 6. Storage Devices (Roll no 31-36) 7. IT Personalities (Roll no 37-42) 8. Computer Viruses (Roll no 43-48) 9. Artificial Intelligence (Roll no 49 above ) Note:- Make a Poster on the above said topic on A3 size sheet. Take help from internet and other resources. Insert pictures related to your Poster to make it attractive.
14 Holiday s homework French Class Make a French newspaper having three sections a) General News b) Sports c) Education (quiz, cross words, puzzles, slogans etc.) 2. Revise ch-1 & 2 for pre mid-term examination.
1) Autotrophic nutrition in plants 2) Nutrition in Human Beings. 3) transportation in human being 4) Excretion in human being
1 KENDRIYA VIDYALAYA VSN NAGPUR HOLIDAY HOMEWORK Class X A and X B (SCIENCE) Learn Chapter 1, 6 And 10 Worksheet on Chapter 1 and Chapter 6 Prepare presentation on 1) Autotrophic nutrition in plants 2)
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