Q. The problem of necrosis and gradual senescence, while performing tissue culture can be overcome by

A) Spraying auxins
B) Spraying cytokinins
C) Suspension culture
D) subculture
Explanation

The ageing process of the leaves usually accompanies with loss of chlorophyll and repid breakdown of proteins called as senescence. Spraying of cytokinin delays senescence and increases the rate of chlorophyll formation.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.