Stomatal opening and CO $_{2}$ fixation take place at the night in?

Pearl millet, Sunflower and Pineapple

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Cactus, Agave and Amaranth

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Mustard, Maize and Bryophyllum

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Kalanchoe, Bryophyllum and Pineapple

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Solution

The correct option is A Kalanchoe, Bryophyllum and Pineapple
In CAM plants, stomata are open during the night and closed during the daytime. This is an adaptation of cutting transpirational loss of water. CAM plants grow in deserts and are exposed to high temperatures. Their stomata are open during the night for carbon dioxide uptake but closed during the day to prevent water loss. Kalanchoe, Bryophyllum and Pineapple are the examples of CAM plants.
Thus, the correct answer is option D.

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Stomatal opening and CO2 fixation take place at the night in?

Stomatal opening and CO $_{2}$ fixation take place at the night in?