Plant Growth Hormones

Which of following elements is required in the synthesis of plant growth hormone such as auxin ?

The following statements are given about different plant growth hormones : I. Cytokinin suppresses the synthesis of chlorophyll. II. Auxins control apical dominance. III. Gibberellins promote shoot elongation. IV. Abscisic acid enables seeds to withstand desication. Which of the above statements are correct?

Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone

Growth hormone acts

One of the commonly used plant growth hormone is pineapple to promote flowering is

One of the commonly used plant growth hormone in tea plantations is

One of the commonly used plant growth hormone in tea plantation is

Which of the following plant growth hormone increases the yield of sugar by increasing the length of stem in sugarcane?