Starch is a white, powdery substance consisting of glucose which is used by plants as food. The presence of starch in leaves is evidenced enough of the process of photosynthesis being carried out in leaves as the formation of starch necessitates photosynthesis.
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Answer 1 :-
Starch is a white, powdery substance consisting of glucose which is used by plants as food. The presence of starch in leaves is evidenced enough of the process of photosynthesis being carried out in leaves as the formation of starch necessitates photosynthesis.
Answer 2 :-
(i) the coarse beard hair.
(ii) the fine soft underhair close to the skin.
Answer:
If photosynthesis occurs then this indicates presence of starch if photosynthesis does not occurs then there is no starch in leave