Question

Which one of the plant growth regulators would you use if you are asked to:
(a) induce rooting in a twig
(b) quickly ripen a fruit
(c) delay leaf senescence
(d) induce growth in axillary buds
(e) 'bolt' a rosette plant
(f) induce immediate stomatal closure in leaves.

Answer 1

a) induce rooting in a twig =Auxins
b) quickly ripen a fruit = Ethylene
c) delay leaf senescence = Cytokinins
d) induce growth in axillary buds= Cytokinins
e) bolt' a rosette plant = Gibberrellic acid
f) induce immediate stomatal closure in leaves.= Abscisic acid

hope it helps you mate

Answer 2

To induce rooting in a twig, Auxin must  be used.

Explanation:

• Auxin is the plant hormone which is involved in the differentiation and elongation of cells present in root and shoot of the plant.
• To induce rooting, cells at the root tip must get differentiated and elongated.

To make fruit ripen quickly, ethylene must be used.

Explanation:

• To make the fruit get riped, ethylene plays a vital role.

To delay leaf senescence and induce growth in axillary buds, cytokinins are used.

Explanation:

• Cytokinins are another class of plant hormones that are involved in the promotion of cell growth, inhibition of leaf decay, and axillary bud growth.

To 'bolt' a rosette plant, Gibbrerllins are used.

Explanation:

• As Gibberellins are involved in the promotion of seed germination and fruit development, it is used 'bolt' a rosette plant.

To induce immediate stomatal closure, Abscisic acid is used.

Explanation:

• As stomatal closing is induced by abscisic acid, it is used in the given condition.

Learn more about Plant hormones

Write the functions of plant hormones

https://brainly.in/question/1398789

State the function of plant hormones. Name a plant hormone which is essential for cell division.

https://brainly.in/question/5224312