Class 5 Science Chapter 8 Test 3 Welcome to your Class 5 Science Chapter 8 Test 3 1. The amount of fresh water on the Earth is: About 1% About 30% About 70% About 97% 2. ________ consists of mostly silica grains. Clay Sand Silt None of these 3. What are the main types of soil? Silt, sand and rock Clay, humus, sand Sand, silt, and clay Silt, humus and clay 4. ________ is good for cultivation. Clay Sand Silt None of these 5. There are ________types of soil Two Three Four Five 6. ________ is soft, sticky and brownish in color. Clay Sand Silt None of these 7. ________ is found on coastal areas or river beds. Clay Sand Silt None of these 8. What is the role of living organisms in the soil? Making soil soft and airy Making soil hard Make soil unfit for cultivation Making the air dry 9. ________ is very hard when dry. Clay Sand Silt None of these 10. What is important in the natural manure? Minerals The decayed matter Sand Salts 11. ________ can hold more water. Clay Sand Silt None of these 12. ________ is used to make bricks and pottery. Clay Sand Silt None of these 13. The ________ soil feels gritty and coarse. Clay Sand Silt None of these 14. The texture of ________ is smooth and silky. Clay Sand Silt None of these 15. ________ is useful to make ________. Clay Sand Silt None of these 16. Clay particles are very ________ in size. Large Small Moderate Rocks 17. Silt is mixture of: Sand Clay Humus All of these 18. The outer layer of the Earth is called: External core Mantle Crust Inner core 19. Which type of the soil is good for growth of plants? Sandy Silty Clay Rock 20. The bacteria and other microorganisms in the soil convert the wastes of living animals and dead plants into useful nutrients. They increase the ________ of the soil. Water Mud Fertility None of these 21. The moisture present in ________ provides water and minerals to plants. Clay Sand Silt None of these Time is Up! Time's up
