Q. Identify the phytohormone responsible for the given functions.
I. Horizontal growth of seedlings.
II. Swelling of the axis and apical hook formation in dicot seed.
III. Promoting senescence and abscission of leaves and flowers.
IV. Highly effective in fruit ripening.
V. Promotes rapid internode/petiole elongation in deep water rice plants.
Choose the correct option.

 177  139 Plant Growth and Development Report Error

Solution:

Correct answer is (d) Ethylene