NEET Botany Seed Dormancy MCQ Question
Which of the following statements about seed dormancy are correct?
Mechanical abrasions can help overcome seed dormancy by breaking the seed coat barrier.
Seed dormancy can only be overcome through natural means, not through man-made measures.
Chilling conditions and certain chemicals can remove inhibitory substances causing seed dormancy.
Environmental changes such as light and temperature can also contribute to overcoming seed dormancy.
Correct Answer
Detailed Explanation
Statement A is correct as the NCERT context indicates that mechanical abrasions can break seed coat barriers. Statement B is incorrect because various man-made measures can also overcome dormancy. Statement C is correct regarding the role of chilling and chemicals like gibberellic acid. Statement D is also correct as environmental conditions play a role in overcoming dormancy.
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