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Photosynthesis

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  1. Stomata of CAM plants
    1. never open
    2. are always open
    3. open during the day and close at night
    4. open during the night and close during the day
Correct Option: D

To conserve water, the stomata of CAM plants open during night to take up CO2 and store it in the form of malic acid which is utilised during the time of photosynthesis.


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