UPTET paper2, Dec 2016 Q101
101Which one of the following plants keep its stomata open during the night and close during the day?
- Option : B
- Explanation : Cactus plant grown in water-deficient soils. These keep their stomata close during daytime to reduce water loss through stomatal transpiration. They fix CO, in night for photosynthesis by keeping their stomata open for gaseous exchange.
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