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Why do plants take oxygen though night and carbon dioxide in day time?

Posted by Aamna Nawaz 4 years ago

CBSE > Class 05 > EVS

2 answers

K.Alagar Swamy 4 years ago

0Thank You

Meghna Thapar 4 years ago

Plants give out carbon dioxide not only at night but during the day too. It happens because of the process of respiration in which plants take in oxygen and give out carbon dioxide. As soon as the sun rises another process called photosynthesis starts, in which carbon dioxide is taken in and oxygen is given out. All plants carry on respiration throughout 24 hours and thus give out carbon dioxide during the day as well as night. But photosynthesis happens only in presence of sunlight and so oxygen is released during daytime.

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