Question

31.
5
Secondary metabolites such as nicotine, strychnine
and caffeine are produced by plants for their :
36
(1)
Growth response
Defence action
(2
(3)
Effect on reproduction
(4)
Nutritive value​

Answer 1

Answer:

answer is option 2) defence action

Answer 2

Secondary metabolites such as nicotine, strychnine  and caffeine are produced by plants for their defense action

• Within a phylogenetic group, particular metabolites are sometimes limited to a small collection of organisms.

• Secondary metabolites also perform a significant role in properly protecting plants against herbivorous defenses and other interspecies.  
• People use them as effective pigments, specific flavourings, medicines and even various recreational drugs.