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Question
Which of the following is not an inhibitory substance governing seed dormancy?
Which of the following is not an inhibitory substance governing seed dormancy?
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Solution
The correct option is C Gibberellic acid.
The correct option is C.
Explanation for Correct option:
- Gibberellic acid is a plant hormone that breaks seed dormancy by activating enzyme α - amylase.
- The hormone abscisic acid and phenolic acid are responsible to induce seed dormancy.
Explanation of the incorrect option:
Option A:
Phenolic acids, also known as phenol carboxylic acids, are aromatic acids that contain a phenolic ring and a carboxyl functional group.
Option B:
A natural water-soluble vitamin which is also called vitamin C.
Option D:
Abscisic acid stimulates the closure of stomata in the epidermis and increases the tolerance of a plant to various kinds of stresses.
Final answer:
Gibberellic acid is not an inhibitory substance governing seed dormancy.
Gibberellic acid.
The correct option is C.
Explanation for Correct option:
- Gibberellic acid is a plant hormone that breaks seed dormancy by activating enzyme α - amylase.
- The hormone abscisic acid and phenolic acid are responsible to induce seed dormancy.
Explanation of the incorrect option:
Option A:
Phenolic acids, also known as phenol carboxylic acids, are aromatic acids that contain a phenolic ring and a carboxyl functional group.
Option B:
A natural water-soluble vitamin which is also called vitamin C.
Option D:
Abscisic acid stimulates the closure of stomata in the epidermis and increases the tolerance of a plant to various kinds of stresses.
Final answer:
Gibberellic acid is not an inhibitory substance governing seed dormancy.
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