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    Question

    The half-leaf experiment demonstrate about the

    importance of which factor in photosynthesis?
    A O2 Correct Answer Incorrect Answer
    B CO2 Correct Answer Incorrect Answer
    C Sunlight Correct Answer Incorrect Answer
    D Chlorophyll Correct Answer Incorrect Answer

    Solution

    Moll's half-leaf experiment proves that CO2 is essential for photosynthesis. A part of the leaf is enclosed in a test tube containing KOH absorbed cotton. KOH absorbs CO2, while the other half is exposed to air.

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