NEET Biology Human Reproduction Question Bank Pollution

  • question_answer
    Which of the following is most poisonous [CBSE PMT 2001]

    A) CO

    B)

    C) C

    D)

    Correct Answer: A

    Solution :

    In human beings (carbon mono oxide) causes headache and difficulty in breathing. The haemoglobin has greater affinity to CO than oxygen. The Hb.CO reduces the oxygen carrying capacity of haemoglobin.


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