Which PGR is most likely responsible for the phenomenon observed when a plant bends towards a light source, even if the light source is unidirectional and doesn't illuminate the entire plant?

Which plant hormone promotes seed dormancy, bud dormancy and causes stomatal closure?

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 hormone promotes seed dormancy?

Among the following features of ethylene, how many are antagonistic to abscisic acid?

a) Horizontal growth of seedlings b)Promotes abscission of plant organs

c) Effective in fruit ripening d) Breaking seed and bud dormancy

e) Initiates germination in some seeds