A plant hormone promotes bolting in rosette plants and is also antagonistic to the effects of abscisic acid on alpha-amylase activity. This hormone also plays a key role in apical dominance. Which of the following hormones fits this description?

Choose the incorrect pair.

6-furfuryl amino purine, 2-4 dichlorophenoxy acetic acid and indole-3 acetic acid are examples respectively for

Pick out the correct statements.

i. Cytokinins especially help in delaying senescence.

ii. Auxins are involved in regulating apical dominance.

iii. Ethylene is especially useful in enhancing seed germination.

iv. Gibberellins are responsible for immature falling of leaves.

The most common auxin is

Synthetic auxins are used for

In the Avena curvature test, if an agar block without auxin is placed on the decapitated coleoptile, what will be the observed response?

The hormone i.e. used to increase sugarcane yield is

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?

Which of the following is NOT a naturally occurring plant hormone but is synthetically produced for weed control?

The following statements are given about plant growth hormones:

I.Cytokinins suppress the synthesis of chlorophyll.

II.Auxins control apical dominance.

III.Gibberellins promote shoot elongation.

IV.Abscisic acid enabling seeds to withstand desiccation.

Which of the above statements are correct?