RAJASTHAN PMT Rajasthan - PMT Solved Paper-1997

  • question_answer
    What will happen if \[{{O}_{2}}\] cone increased in environment?

    A) Photosynthesis will increase in \[{{C}_{3}}\] plants

    B)  Photosynthesis will decrease in \[{{C}_{3}}\] plants

    C)  Photosynthesis will increase in \[{{C}_{4}}\] plants

    D)  None of the above

    Correct Answer: B

    Solution :

    Excess of \[{{O}_{2}}\] may decrease photosynthesis because \[{{O}_{2}}\] complete with \[C{{O}_{2}}\] for hydrogen and may be reduced in place of \[C{{O}_{2}}\].


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