Our Environment


Chapter 4 - Air

Practice Questions - Set 1

  1. What are the major gases of the atmosphere?
  2. What are the layers of the atmosphere? Arrange them in order.
  3. What are the important elements of climate?
  4. What is the connection between wind and pressure?
  5. What are the types of rainfall?



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Chapter 5 - Water

Practice Questions - Set 2

  1. What are the types of ocean circulation?
  2. What are the causes of various movements in the ocean?
  3. Why do we have water crisis despite more than 70% of the Earth's surface is covered with water?
  4. What are the stages of the water cycle?
  5. What are the types of precipitation?


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Chapter 6 - Natural Vegetation & Wildlife

Practice Questions - Set 3

  1. What are the types of natural vegetation?
  2. What are the characteristics of 
    (a) Tropical Deciduous Forests; (b) Tropical Evergreen Forests?
  3. Why are the Mediterranean forests known as orchards of the world?
  4. What are the differences between Temperate Grasslands and Tropical Grasslands?
  5. What types of animals are found in the polar regions?