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NEET Biology Organisms and population Question Bank Environment Abiotic and Biotic Factors

  • question_answer
    Deep black soil is considered to be highly productive due to high proportion of [CBSE PMT 1991]

    A) Silt and earthworm

    B) Clay and humus

    C) Gravel and

    D) Sand and

    Correct Answer: B

    Solution :

    Black soil predominantly with clay and humus. This soil is very fertile because most of minerals are present in it.


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