The shedding of leaves,flowers,or fruits due to a change in the hormonal balance in plants is referred to as:

Which one of the following plant hormones is $NOT$ a growth promoter?

What is ethylene gas used for?

Production of cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants?

Ethylene is a

Write the importance of Ethephon.