The hormone which can replace long days and low temperature requirement for flowering in some plants is

Which growth hormone is responsible for bolting (internode elongation just prior to flowering)?

The rosette habit of cabbage can be changed by the application of

The size of grape fruits is enlarged by using which of the following plant growth hormones?

Gibberellic acid has been successfully used to induce flowering:

Gibberellins promote the formation of $.......$ flowers on genetically $.......$ plants in $Cannabis$,whereas ethylene promotes the formation of $.......$ flowers on genetically $.......$ plants.