Which one is growth regulator produced by plants

Which one of the following is a growth regulator produced by plants?

Which one of the following is a growth regulartor produced by plants ?

Assertion :- Growth regulators are intrinsic and intercellular factors which controls development of plant. Reason:- Growth regulators are produced by plant cell itself and work in cells other than those in which they synthesise.

Which one of the plant growth regulators would you use if you are asked to:

Which of the following growth regulators in plants are influenced by light?

Which one of the plant growth regulators would you use if you are asked to : induce growth in axillary buds.

Which one of the plant growth regulators would you use if you are asked to : Induce growth in axillary buds.