BVP Medical BVP Medical Solved Paper-2003

  • question_answer
    Humus is essential for plant growth because :

    A)  it is rich in nutrients and increases the water holding capacity of soil

    B)  it increases aeration of soil

    C)  it increases porocity of soil

    D)  all of the above

    Correct Answer: D

    Solution :

                     Death of plants and animals result in the addition of organic substanes to the soil. Humus is dark coloured, amorphous, completely decomposed organic matter produced as a result of microbial action. All the options in the given question are correct.


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