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

  • question_answer
    Which of the following gas is most harmful for plants [CPMT 1992]

    A)

    B)

    C)

    D)

    Correct Answer: C

    Solution :

    CO is major environment pollutant. It is a non-irritant but is highly toxic and impairs respiration. CO combine with haemoglobin of blood and reduces its  carry capacity.


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