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?

Which hormone is involved in the phenomenon of phototropism?

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

Which of the following movements in plants is due to the increased concentration of auxin?

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

Which of the following plant growth responses is utilized in the Avena curvature test?

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

Identify to which plant hormone, the given function belongs I. Initiates flowering in pineapples II. Induces flowering in mango III. Root growth and root hair promotion I II III

Auxins promote

The Avena curvature test primarily demonstrates the effect of auxins on which plant part?

Which of the following hormones does not naturally occur in plants?