INDIAN SCHOOL MUSCAT MIDDLE SECTION DEPARTMENT OF SOCIAL SCIENCE LAND,SOIL,WATER,NATURAL VEGETATION AND WILDLIFE RESOURCES

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1 INDIAN SCHOOL MUSCAT MIDDLE SECTION DEPARTMENT OF SOCIAL SCIENCE LAND,SOIL,WATER,NATURAL VEGETATION AND WILDLIFE RESOURCES NAME: CLASS VIII SEC: ROLL NO: DATE: /06/2017 I. FILL IN THE BLANKS : 1. The uneven distribution of population in different parts of the world is mainly due to varied characteristics of and. 2. It takes of years to make just one centimeter of soil. 3. Water shortage may be a consequence of variation in or annual precipitation or and of water sources. 4. River Yamuna is getting polluted due to, industrial overexploitation and. 5. is the process of collecting rain water from the roof tops and directing it to an appropriate location where it is stored for use. 6. Vultures in the Indian subcontinent were dying of shortly after scavenging livestock treated with, a painkiller. 7. The growth of vegetation depends primarily on and. 8. Animals are for collection and trade of hides, skins, nails, teeth, horns and feathers. 9. activities in several parts of the world have disturbed the natural habitats of many species. 10. Due to killings, several birds and animals have either become or are on the verge of extinction. II. NAME THE FOLLOWING : 1. Factors like topography, soil, climate, minerals and availability of water that determine land use: 2. Another name given to community lands: 3. Mass movement of rock, debris or earth down a slope: 4. The thin layer of grainy substance covering the earth s surface made up of organic matter, minerals and weathered rocks: 5. Breaking up and decay of exposed rocks, by temperature changes, frost action, plants, animals and human activity: 6. Rocks piled up to slow down the flow of water to prevent gullies and soil loss: 7. Growing different crops sown at different times in alternate rows to protect the soil from rain wash: 8. The city in Saurashtra region which is completely dependent on purchasing water from nearby talukas: 1

2 9. Two regions in Asia that are facing shortages in fresh water supply 10. Natural vegetation in areas of moderate rainfall where short stunted trees and grasses grow: 11. Natural vegetation comprising of mosses and lichens in the cold Polar regions: 12. A natural area designated to protect the ecological integrity of one or more ecosystems for the present and future generations: 13. Series of protected areas linked through a global network for conservation and development: 14. An international agreement between governments that aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival III. OBSERVE THE PICTURES AND ANSWER THE QUESTIONS THAT FOLLOW : 1. Label the soil horizons 1. O 2. A 3. B 4. C 2. The bare ground between plants is covered with a layer of organic matter like straw to retain soil moisture. Identify this method of soil conservation. 3. Broad flat steps or terraces are made on steep slopes so that flat surfaces are available to grow crops, reduce surface run off and soil erosion. 2

3 4. Ploughing parallel to the contours of a hill slope to form a natural barrier for water to flow down the slope is known as IV. ANSWER THE FOLLOWING IN TWO POINTS : 1. Why should we conserve our land resources? How can we do it? 2. Which factors affect the formation of soil? 3. How can we sensitise children about conserving natural vegetation and wildlife? 4. What causes forest fire? How can we control it? V. ANSWER THE FOLLOWING IN THREE POINTS: 5. Define the term land use List the factors that determine land use pattern 6. State the measures taken by the government to conserve natural vegetation and wildlife 7. Fresh water is the most precious substance on earth. Give reasons VI. ANSWER THE FOLLOWING IN FOUR POINTS : 8. Discuss the techniques to mitigate the effects of landslides 9. Write a short note on the methods of soil conservation. 10. Steps have to be taken to conserve our dwindling water resources. Elucidate any four measures to conserve water in the light of this statement INDIA TYPES OF SOIL 3

4 VII MARK, LABEL AND SHADE THE DIFFERENT TYPES OF SOILS ON THE GIVEN MAP OF INDIA: *********************************** 4

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