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The graph shows the relation between lig...

The graph shows the relation between light intensity and the giving off and taking up of carbon dioxide by the leaves of a plant. Why is most carbon dioxide given off when the light intensity is zero units.

A

Only respiration is occurring

B

It is only start of experiment

C

Only photosynthesis is occurring at this light intensity

D

Rate of photosynthesis equals repiration at this intensity.

Text Solution

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The correct Answer is:
A
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