Q. Which of the following is an example of a defence used by plants against herbivores? I. Production of caffeine, tannin quinine II. More production of non-woody tissues III. Productions of hairs, thorns, spines IV. Production of hormone-like chemicals that interfere with insect metamorphosis Select the correct pair
A) I and II
B) II, III and IV
C) I, II and III
D) I, III and IV
Explanation
Production of caffeine, tannin, quinine are the examples of secondary metabolites, which are secreted by plant against herbivores. Production of hormone like chemicals throns, spines also the strategy of plant to avoid grazing or herbivores. Production of non-woody is not the adaptation for plant from predation
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.