Botany-Seed Dormancy
NEET Botany Seed Dormancy Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): Seed dormancy can be overcome by mechanical abrasions.
Reason (R): Gibberellic acid is effective in breaking the seed coat barrier.
A
Both A and R are true, and R is the correct explanation of A.
B
Both A and R are true, but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option B
Detailed Explanation
Seed dormancy can indeed be overcome by mechanical abrasions, but gibberellic acid helps in overcoming dormancy by removing inhibitory substances, not specifically by breaking the seed coat barrier.
Found an issue with this question?