MCQ - A plant whose stomata open during night and close by day A) Tradescantia B) Mango C) Bryophyllum D) Hydrilla
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In xerophytes the stomata open in night and remain closed during day as an adaptation to conserve water. For example CAM plants are desert succulents in which stomata opens at night time and carbon dioxide is fixed into organic acids, like malic acid and oxaloacetic acid.
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Ans : c) bryiphyllum Stanton during night and close by day
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