Assertion (A): The levels of ABA may increase 100-fold during seed maturation.
Reason (R): The high levels of ABA in maturing seeds inhibit germination.

Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Abscisic Acid |
 66%
Level 2: 60%+

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Many mutants that are especially prone to wilting are deficient in:
1. ABA
2. Ethylene
3. Cytokinins
4. Gibberellins

Subtopic:  Abscisic Acid |
Level 3: 35%-60%

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