Exams › NEET › Biology

The regulator which retards ageing/senescence of plant parts is:

1. cytokinin
2. auxin
3. gibberellin
4. abscisic acid

Correct answer: cytokinin

Solution

Cytokinins are known to delay senescence by maintaining chlorophyll, proteins, and overall metabolic activity in plant tissues. That is why they are called anti-aging hormones in plants.

Related NEET Biology questions

• Start of synthesis of chlorophyll in a plant seedling is stimulated by
• Typical growth curve in plants is:
• Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in:
• Coiling of garden pea tendrils around any support is an example of:
• Opening of floral buds into flowers, is a type of:
• Movement of leaves of Sensitive Plant, Mimosa pudica are due to:

⚔️ Practice NEET Biology free + battle 1v1 →