Class 4 Science Chapter 7 Test 1 Updated: 12 Jun 2022 383 Welcome to your Class 4 Science Chapter 7 Test 1 1. We produce kerosene, petrol, diesel, engine oil, grease, petroleum jelly and coaltar from the ______. Filter oil Crude oil Artificial oil No oil 2. About _______ of the Earth’s surface is covered by water. 71% 29% 11% 97% 3. Natural gas is obtained from the ______ CNG stations Laboratory Artificial source Earth 4. The basic material that humans get from land, sea or air is called _______resources. Artificial Natural Metal None of these 5. ______ not only provide us timber but are also natural habitats for animals. Deserts Ocean Forest None of these 6. Fast blowing air is used to generate _________. Heat Fuel Electricity None of these 7. Natural gas is used for: Heating and cooking Generate electricity Make fertilizers All of these 8. Air is present even in ______ Earth Soil Water All of these 9. The ______ percent of water is present in glaciers, streams, rivers and lakes. 71% 29% 3% 97% 10. ______ is used to make bricks and pottery. Glass Stone Clay None of these 11. Forests cover _______ of the total area of Pakistan. 5.2% 6% 25% 9% 12. About ________ of the Earth’s surface is land. 71% 29% 11% 97% 13. ______ found in the underground part of earth. Filter oil Crude oil Artificial oil No oil 14. About ______ of water on the Earth is in the oceans. 71% 29% 11% 97% 15. About ______ of the land is cultivated in the world. 9 % 10 % 11 % 14 % Time's up
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