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(D) Transpiration is the process of water loss from the aerial parts of plants,primarily through stomata. During the night,most plants close their sto

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Winter and summer nights

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(D) Transpiration is the process of water loss from the aerial parts of plants,primarily through stomata. During the night,most plants close their stomata to prevent water loss,as there is no photosynthesis occurring. Since the stomata are closed,the rate of transpiration is already minimal or negligible. Therefore,changes in external environmental factors like humidity or temperature have very little effect on the transpiration rate during the night compared to the day when stomata are open.

In which of the following situations would the transpiration rate be least affected by changes in humidity or temperature?

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