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Natural Resources Test - 4

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Natural Resources Test - 4
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following factors affects the formation of soil?
  • Question 2
    1 / -0
    Which layer of Earth`s crust is known as soil?
  • Question 3
    1 / -0
    Which process causes breaking of rocks?
  • Question 4
    1 / -0
    Which type of soil is rich in humus?
  • Question 5
    1 / -0
    Which of the following types of soil is gritty and pale brown in colour?
  • Question 6
    1 / -0
    Which of the following soils is the best for plant growth?
  • Question 7
    1 / -0
    Which of the following types of soil has the smallest sized particles?
    Solution
    Clayey soil has the smallest sized particles and it has therefore a fine texture and a high water holding capacity.
  • Question 8
    1 / -0
    What is the disadvantage of the sandy soil?
  • Question 9
    1 / -0
    Which of the following soil type is transported by wind?
  • Question 10
    1 / -0
    Which horizon of soil is called bed rock?
  • Question 11
    1 / -0
    Which of the following organisms do not decompose the organic matter in the soil?
  • Question 12
    1 / -0
    Which of the following is a biotic component that affects the fertility of soil?
  • Question 13
    1 / -0
    What should be added to soil, if it is alkaline in nature?
  • Question 14
    1 / -0
    Which of the following is the most fertile layer of soil?
    Solution
    Topsoil is the upper, outermost layer of soil, usually the top 2 inches (5.1 cm) to 8 inches (20 cm). It has the highest concentration of organic matter and microorganisms, making it the most fertile layer.
  • Question 15
    1 / -0
    Which of the following statement is true for top soil?
  • Question 16
    1 / -0
    The downward movement of water through soil due to gravitational force is called
  • Question 17
    1 / -0
    Which of the following statements is incorrect?
  • Question 18
    1 / -0
    Which of the following does not cause soil erosion?
  • Question 19
    1 / -0
    Which of the following correctly defines the term `soil erosion`?
  • Question 20
    1 / -0
    Which of the following does not prevent soil erosion?
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