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

It promotes bolting in beet,cabbages and many plants with rosette habit.

Which of the following hormones can replace vernalization?

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

Gibberellic acid has been successfully used to induce flowering:

Which of the following can be used to control dwarfism in plants?