Answer:
(i) Photosynthesis is an
enzymatic process. The enzymes function within an optimum range of temperature
which is neither very low nor very high. At low temperature the activity of
enzymes is lowered due to which the rate of photosynthesis is also low. Again
when the temperature is very high, the activity of enzymes decreases which
leads to low rate of photosynthesis.
(ii) Green
light is least useful in photosynthesis, because chlorophyll does not
absorb
green light.
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