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Question

Chemotaxonomy is based on

A
evolutionary relationship
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B
chemical constituents
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C
arrangement of stamen
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D
morphology
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Solution

The correct option is B chemical constituents
Chemotaxonomy or chemical taxonomy is the classification of plants based on the chemicals (secondary metabolites) produced by them. Secondary metabolites are produced from the primary metabolites (chemicals essential for plant growth such as carbohydrates, etc.). For example, alkaloids (nicotine, morphine), terpenoids (menthol, camphor), phenolics (tannins), etc.

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