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Succulents are known to keep their stoma...

Succulents are known to keep their stomata closed during the day to check transpiration. How do they meet their photosynthetic `CO_(2)` requirements ?

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Succulent plants grow in dry and xeric conditions so, they have to shut down the stomata during day time, to prevent water loss through transpiration. So and the gaseous exchange does not take place.
Thus plants have developed the mechanism to fix `CO_(2)` during night in the form of malic acid, which is a 4 carbon compound and store `CO_(2)`, release it during day, inside the photosynthetic cells.
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Knowledge Check

  • Which one of the following plants keep its stomata open during the night and close during the day?

    A
    Corn
    B
    Water lily
    C
    Pistia
    D
    Cactus

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