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Biology
Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their
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Q. Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their
NEET
NEET 2020
Organisms and Populations
A
Nutritive value
12%
B
Growth response
17%
C
Defence action
68%
D
Effect on reproduction
4%
Solution:
Nicotine, strychnine and caffeine are produced by plants for their defence action against grazers and browsers.