A) xerophytes
B) gametophytes
C) hydrophytes
D) none of these
Correct Answer: A
Solution :
In some succulents (xerophytes), stomata open during night and close during day time. Such stomata are known as scotoactive stomata. This mechanism helps to reduce, water loss due to transpiration in day. These are found in plants like Opuntia, Bryophyllum . etc.
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