Which of the following is NOT a waste product of plants?
-
A.
Tannins -
B.
Oxygen -
C.
Carbondioxide -
D.
Sap -
E.
Alkaloids
Correct Answer: Option D
Explanation
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.