GK
SOIL AND AGRICULTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Stomata open at night in -
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CAM plants
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C3 plants
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C4 plants
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None of these
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Explanation:
Detailed explanation-1: -The majority of CAM plants are found in hot, dry, very arid regions with little water. CAM plants undergo photosynthesis. Therefore, the stomata of such plants only open at night and remain closed throughout the day in order to prevent excessive water loss through transpiration.
Detailed explanation-2: -They can do this because they. fix CO2 into organic acids during the night.
Detailed explanation-3: -The opening of stomata through night time is a physiological alteration to prevent loss of water through transpiration.-Sedum, Kalanchoe, Pineapple, Opuntia are some examples of CAM plants. These plants also carry out double carbon dioxide fixation.
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