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Forests And Soil Test - 4

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Forests And Soil Test - 4
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following field of science deals with the study of soil?
  • Question 2
    1 / -0
    Which of the following terms describes the percentage of pore space in soil?
  • Question 3
    1 / -0
    Which of the following factors does not contribute in the improvement of quality of soil?
  • Question 4
    1 / -0
    What will be the nature of soil with pH 7?
  • Question 5
    1 / -0
    Select the incorrect statement:
  • Question 6
    1 / -0
    What type of particles is gravels?
  • Question 7
    1 / -0
    What does soil profile means?
  • Question 8
    1 / -0
    Which of the following processes is not correct with respect to soil formation?
    Solution
    The roots of the plants widen the cracks in the rocks, thus facilitating the breakdown of soil.
  • Question 9
    1 / -0
    Which of the following factors contribute to different colours of the soil?
  • Question 10
    1 / -0
    Select the correct order of size of rock particles found in the soil.
    Solution
    Cobble particles are the largest, followed by the particles of gravel. The particles of sand are very fine.
    Therefore, the correct order is: Sand < Gravel < Cobble.
  • Question 11
    1 / -0
    Which of the following characteristics hold true for clay?
  • Question 12
    1 / -0
    Which of the following metal is present more in red soil?
  • Question 13
    1 / -0
    How do the gravels form?
  • Question 14
    1 / -0
    Which of the following is the most fertile layer of soil?
  • Question 15
    1 / -0
    Which horizon of soil is called bed rock?
  • Question 16
    1 / -0
    Match the following:
    (A) Horizon A (i) Hard and difficult to dig with a spade
    (B) Horizon C (ii) Lumps of rocks with cracks and crevices
    (C) Bedrock (iii) Rich in humus
    Solution
    The Horizon A, also called the topsoil, is rich in humus.
    The Horizon C is made of lumps of rock, but there are cracks and crevices.
    Bedrock is hard and impermeable.

  • Question 17
    1 / -0
    Which of the following type of soil is also known as cotton soil?
  • Question 18
    1 / -0
    Which of the following characteristic is found mainly in laterite soil?
  • Question 19
    1 / -0
    What should be added to soil if it is alkaline in nature?
  • Question 20
    1 / -0
    Which of the following type of soil is gritty and pale brown in colour?
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