Q. Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their :
A) Growth response
B) Defence action
C) Effect on reproduction
D) Nutritive value
Explanation
[Solution] These alkaloids protect plants against herbivores (defence). Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.