Why do stomata close during water shortage?(a) To reduce CO2 availability(b) To trap water(c) To increase metabolic activity(d) To increase the surface area of leavesThis question was posed to me in examination.Origin of the question is Factors Affecting Photosynthesis in portion Photosynthesis in Higher Plants of Biology – Class 11

Why do stomata close during water shortage?(a) To reduce CO2 availabil

1.	Why do stomata close during water shortage?(a) To reduce CO2 availability(b) To trap water(c) To increase metabolic activity(d) To increase the surface area of leavesThis question was posed to me in examination.Origin of the question is Factors Affecting Photosynthesis in portion Photosynthesis in Higher Plants of Biology – Class 11
Answer» Right option is (a) To reduce CO2 availability The best explanation: During water shortage in plants, the stomata close in ORDER to reduce the availability of CARBON dioxide for carbon dioxide FIXATION, which is the FIRST part of the CALVIN cycle of photosynthesis.

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