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?

Fruit and leaf drop at early stages can be prevented by the application of

Sprouting of potato under storage condition can be prevented by

I. Indole-3-acetic acid

II. 2-4, dichlorophenoxy acetic acid

III. 6 Indole butyric acid

IV. Naphthalene acetic acid

Above are the examples of which PGR?

Choose the correct statement

I. Cytokinin – Delay of leaf senescene

II. Auxin – Apical dominance

III. Ethylene – Seed germination

IV. Gibberellins – Immature falling of leaves

Choose the incorrect pair.

Auxin was isolated by

Auxin can be bioassayed by:

Which hormone (PGR) encounters the apical dominance induced by auxin?

The plant hormone used to destroy weeds in a field is

Study the following statement

I. Cytokinins are formed primarily in roots

II. Auxin and cytokinin are antagonistic in apical dominance

III. Kinetin (a modified DNA purine) was discovered from herring sperm

IV. Zeatin is auxin

V. Zeatin was firstly extracted from herring

Choose the incorrect one