Q. The host crop plants may be resistant to insects pests due to the I. morphological characteristics II. biochemical characteristics III. physiological characteristics Choose the correct option
A) I and II
B) II and III
C) I and III
D) I, II and III
Explanation
The host crop plant may be resistant to insect pests due to morphological, biological and physiological characteristics For Examples (i) Hairy leaves of plants resistance to jassids in cotton and cereal leaf beetle in wheat (ii) In maize, high aspartic acid, low nitrogen and sugar content protect them from stem borers
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.