Exams › NEET › Biology

Seed dormancy is due to the

1. ethylene
2. abscisic acid
3. IAA
4. starch

Correct answer: abscisic acid

Solution

Abscisic acid (ABA) is the plant hormone that induces and maintains seed dormancy, helping prevent germination under unfavorable conditions. It also counteracts growth-promoting hormones like gibberellins.

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 →