Which of the following is NOT a waste product of plants?<...
Which of the following is NOT a waste product of plants?
Tannins
Oxygen
Carbondioxide
Sap
Correct answer is D
Plants need to excrete excess carbon dioxide and oxygen. Carbon dioxide is a waste product of aerobic respiration in plant cells. Oxygen is a waste product of photosynthesis. Also, Extracts from plants contains toxic alkaloids.
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