Holiday Homework SST.-7 th Class 1. Who is a cartographer? 2. Who was considered a foreigner in the past? 3. What are archives? Who used to collect manuscripts in the past? 4. List some of the technological changes associated with this period? 5. How were the affairs of jatis regulated? 6. What are the difficulties historian s faces in using manuscripts? 7. In what ways has the meaning of the term Hindustan changed over the centuries? 8. Prepare a chart showing different historical sources, used by historians to reconstruct history of our past? 9. What is an ecosystem? 10. Which are the major components of the environment? Explain with a suitable diagram. 11. What is biosphere? Explain with a suitable diagram? 12. What is an environment? What is its importance? 13. Make a list of different uses of water in our daily life. What happen if water has exhausted? 14. What do you mean by a rock cycle? Explain with a suitable diagram? 15. What is a rock? Name three types of rocks with their uses? 16. What are the three layers of the earth? How are extrusive and intrusive rocks formed? Explain with a suitable diagram? 17. What is universal adult franchise? In a democracy why is it important? 18. What do you understand by term all persons are equal before the law? Why is it important in a democracy? 19. Write a short note about Africo-Americans Civil Rights Movement.
20. Make 5 very short question/mcqs from first two chapters of each SST book (i.e. History, Civics & Geography of 7 th class). 21. Locate the following in the map of India:- a) Agra b) Ajmer c) Delhi d) Calcutta e) Mumbai f) Kanauj g) Tamil Nadu h) Karnataka i) Kerala k) Tarain Holiday home work (Summer Vocation-2016) Class-7 th Subject-science 1. Why do organisms need to take of food? 2. Distinguish between a parasite and saprophyte? 3. Show with the help of a sketch that plants are ultimate source of food? 4. Fill in the blanks (a)green plants are called----------since they are synthesize their own food. (b)the food synthesized by the plants is stored as ---------------- (c)in the photosynthesis solar energy is captured by the pigment is called---- (d)during the photosynthesis plants take in------------and release------------. 5. Name the following (a) A parasitic plant with yellow, slender and tabular stem. (b)a plant that has both autotrophic and heterotrophic ode of nutrition. (c) The pores through which leaves exchange gases. 6. Choose the correct option from the following: Which part of the plants takes in carbon dioxide from the air for photosynthesis? (i)root hair (ii) Stomata (iii) Leaf Veins(iv)Sepals 7. Choose the correct option from the following: (i) roots (ii)stem (iii)flowers (iv) leaves
8. Fill in the blanks (i)the main steps of digestion in humans are-----, ---------,----------, ---------, and-------- (ii)the largest gland in the human body is ---------- (iii)the stomach releases hydrochloric acid and-------juice which act on food. (iv)the inner wall of the of small intestine has many finger- like out growths called--------. 9. Mark T if the statement is true and F if it is false (a)digestion of the starch in the stomach. (T/F) (b)the tongue helps in mixing food with saliva. (T/F) (c)the gall bladder temporarily stores bile. (T/F). (d)the ruminants bring back swallowed grass into their mouth and chew it for some time. 10. Match the item in column I with those in column II Column -I Food component Carbohydrates Proteins Fats Column -Ii Product of digestion Fatty acids and glycerol Sugar Fatty acids 11. What are Villi? What is their location and function? 12. Where is the bile produced? Which component of the food does it help to digest? 13. Which part of the digestive canal is involved in (i) absorption of food------------------ (ii) chewing of food-------------------- (iii) killing of bacteria------------------ (iv) complete digestion of food---------- (v) formation of faeces------------- 14. Match the item in column I with those in column II Column - I Column - II Slavery glands Bile juice secretion
Stomach Liver Rectum Small intestine Large intestine Storage undigested food Silva secretion Acid release Digestion is completed Absorption of water Releases faeces 15. The silkworm is (a)a caterpillar,(b)a larva choose the correct option (i)a (ii)b (iii)both a and b (iv)neither a nor b 16. Which of the following does not yield wool? (i)yak (ii) Camel (jjj) Goat (iv) Woolly Dog 17. What is meant by the following terms? (a)rearing (b) Shearing (c) sericulture 18. Make the sketches of two stages in the life history of the silk moth which are directly related to the production of silk? 19. Match the word in column I with those in column II Column - I Scouring Mulberry leaves Yak cocoon Column - II Yields silk fibbers Wool Yielding animals Food of animal Reeling Cleaning sheared skin 20.Given below is a sequence of steps in the processing of wool, which are missing steps? Add them Shearing,----------------,sorting,----------------,------------------,----------------------. 21. Make sketches of the two stages in the life history of silk moth which are directly related to the production of silk. 22. Out of the o following, which are the two terms related to silk production? Sericulture, floriculture, morticulture, apiculture, and silviculture. 23 and 24 -.2Activities are given from book. 25 Draw a neat diagram digestive system of human being and labelled it?