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Question
What will happen to the rate of photosynthesis on a plant under the following circumstances?
(i) cloudy day in morning but bright sunshine in the afternoon
(ii) no rainfall in the area for a considerable time.
(iii) gathering of dust on the leaves
Solution
The rate of photosynthesis will:
(i) first decrease as there will be less sunlight and then increase during the afternoon
(ii) decrease due to less availability of water
(iii) decrease due to the closed stomatal pores
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