What would be expected to happen if:
(a) $GA_3$ is applied to rice seedlings

Which one of the plant growth regulators would you use if you are asked to:
(a) induce rooting in a twig

Which one of the plant growth regulators would you use if you are asked to:
(b) quickly ripen a fruit

Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate growth, meristem and growth rate.

Which one of the plant growth regulators would you use if you are asked to:
(c) delay leaf senescence

What would be expected to happen if:
(c) a rotten fruit gets mixed with unripe fruits

What would be expected to happen if:
(d) you forget to add cytokinin to the culture medium.

Why is not any one parameter good enough to demonstrate growth throughout the life of a flowering plant?

Which one of the plant growth regulators would you use if you are asked to:
(d) induce growth in axillary buds

List five main groups of natural plant growth regulators. Write a note on discovery, physiological functions and agricultural/horticultural applications of any one of them.

Why is abscisic acid also known as stress hormone?

‘Both growth and differentiation in higher plants are open’. Comment.

‘Both a short day plant and a long day plant can produce can flower simultaneously in a given place’. Explain.

What would be expected to happen if:
(b) dividing cells stop differentiating

Describe briefly:
(a) Arithmetic growth

Which one of the plant growth regulators would you use if you are asked to:
(e) ‘bolt’ a rosette plant

Describe briefly:
(c) Sigmoid growth curve

Which one of the plant growth regulators would you use if you are asked to:
(f) induce immediate stomatal closure in leaves.

Describe briefly:
(b) Geometric growth

Describe briefly:
(d) Absolute and relative growth rates