Question

why do plant respire only at night

Answer 1

Because during the daytime plants carry out photosynthesis when they take in carbon dioxide and give out oxygen as the byproduct. At the night time as there is no sun so no photosynthesis take place and plants take in oxygen and give out carbon dioxide hence we can say that plants respire at only night time

Answer 2

plant respire all the time day and night .but photosynthesis only occurs during the day when there is sunlight. depending on the amount of Sunlight, plants can give in or out oxygen and carbon dioxide


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