Vernalization stimulates flowering in

Auxins are mainly produced by

Indole acetic acid generally inhibits the growth of

Native auxin (Endogenous) is transported in the plant

Which of the following cell is totipotent ?

Primary precursor of I.A.A. is –

The biological activity of I.A.A. is tested by –

Indole-3 acetic acid called as auxin was first isolated from

Cell elongation in internodal regions of the green plants takes place due to

Apical dominance means –