Revision Worksheet Chapter 2 – Land, Soil, Water, Natural Vegetation and Wildlife Resources Class 8 1. Which of the following areas is sparsely populated? (a) Plains (b) River valleys (c)Desert areas (d) Coastal regions 2. The thin layer of grainy substance covering the earth’s surface is called (a) Land (b) Soil (c) Rock (d) Sand 3. Which of the following methods is used to reduce soil erosion on steep slopes? (a) Shelter belts (b) Terrace farming (c) Mulching (d) Intercropping 4. Freshwater available and fit for human use is only about – (a) 2.7% (b) 70% (c)1% (d) 10% 5. The evergreen forests – (a) Shed their leaves in a particular season (b) Do not shed their leaves together in any season (c) Grow only in dry regions (d) Are found in tundra regions Fill in the Blanks 1. Land use depends on ______, soil, climate, minerals and availability of water. 2. ______ is a network of interactions among organisms and their environment. 3. ______ is known as a scavenger and cleanser of ...