$A$ hormone that initiates flowering and synchronising fruit set in pineapples is . . . . . . .

$A$ farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regulator can be applied to achieve this?

Which hormone exhibits the triple response?

Which of the following hormone promotes internode/petiole elongation in deep water rice?

Which of the following phytohormones promotes female flowers in cucumber?

What is the function of ethylene gas?