Storage sprouting of potato tubers can be prevented by treatment with low concentrations of

Dr. $F$. Went removed the coleoptile tips and placed them in agar for one hour. The agar block then caused curvature in decapitated coleoptiles. What does this experiment demonstrate?

Leaf fall occurs when the abscission layer is formed due to a change in the content of:

Plants deficient in the element $Zinc$ show its effect on the biosynthesis of which plant growth hormone?

Mowing a grass lawn facilitates better maintenance primarily owing to:

In tobacco,enzymatic activity can be retarded by