7th Class Science Related to Competitive Exam Question Bank Natural Resources and Their Conservation

  • question_answer
    The given pie charts show the composition of three types of soil samples X, Y and Z. Which of the following is correct regarding these?

    A)  X is unable to hold water or nutrients.

    B)  Y is used for pot making.

    C)  Z provides good amount of oxygen to roots for breathing.

    D)  X is best suited for cultivation.

    Correct Answer: D

    Solution :

    'X' is best suited for cultivation as it contains all the types of soil (sand, silt and clay) in right proportion. Silt is the most fertile soil and clayey soil can hold enough water, whereas sandy soil is well aerated.


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