The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:

The growth of tendrils in pea plants is due to the:

Which of the following phytohormone is not associated with the promotion of growth in plants?

Which of the following terms denotes the movement of the root of a plant towards moisture in the soil?

The growth of a pollen tube towards the ovule caused by a sugary substance as stimulus is an example of: