NEET Biology Human Reproduction Question Bank Pollution

  • question_answer
    Green house effect is due to the presence of  [CBSE PMT 1989, 91; CPMT 1998, 99; AIIMS 2000]

    A) Ozone layer in the atmosphere

    B) Infrared light reaching the earth

    C) Moisture layer in the atmosphere

    D) layer in the atmosphere

    Correct Answer: D

    Solution :

    About 50% of increase in earth's temperature is due to; 20% due to chlorofluorocarbons.


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