Question

Why during daytime green plants do not take in oxygen from outside?

Answer 1

Plant make their food(glucose) at day time in presence of sunlight and chlorophyll.
So they take Co2 not O2 because Co2 is required for synthesis of glucose....

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Hope you like my answer......:)

Answer 2

Heya friend! ^-^
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Its me Sheena,your friend here!
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Here is your answer >>>

During Daytime plants carry out Photosynthesis and give out oxygen in the presence of Sunlight using Carbon dioxide,water and chlorophyll.
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The oxygen given out during photosynthesis is used to carry out respiration in plants and hence plants do not need to take oxygen from outside as oxygen is a byproduct of photosynthesis.
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I hope this helped you...!

Regards

crystinia
(Sheena)
<Ace>

#Beprepared.
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