Q. Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.
A) Gibberellin
B) Ethylene
C) Abscisic acid
D) Cytokinin
Explanation
[Solution] Spraying gibberellins on sugarcane elongates the stem and increases yield by as much as 20 tonnes per acre. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.