Which hormone is primarily responsible for fruit ripening?

Abscission and dormancy are caused by

Identify two physiological processes induced by two different phytohormones having a common precursor, which is formed due to the catalytic activity of pyruvic dehydrogenase complex. I. more female folwers in cucumber. II. a-amylase production in barley grain. III. Acceleration of fruit ripening in tomato.

IV. Delay in sprouting of potato tubers. the correct combination is

Which of the following is the effect of a plant hormone, which is synthesized more in the absence of light?

The phytohormone that helps in germination of seed, is

Cytokinins are mostly

Study the following question

I. Who was the first to confirm the release of volatile?

Substance from ripened organs of plants?

II. Who discovered kinetin from herring sperm?

III. Who discovered GA?

Which of the following option correctly answer the given questions?

Plant hormone which induce the seed germination is

Which one is first to be discovered ?

The bioassay of auxin is

The shedding of leaves, flowers or fruits due to change in the hormonal balance in plants, is referred as