True seed dormancy:
1.  is caused by conditions within the seed that prevent germination under normally ideal conditions.
2.  is caused by unfavourable environmental conditions.
3.  is seen in all seeds.
4.  does not have any evolutionary significance.

 61%
From NCERT
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Chemical inhibitors present in dormant seeds may include all the following except:
1.  Abscisic acid 2.  Phenolic acids
3.  Para-ascorbic acid 4.  Gibberellic acid
 82%
From NCERT
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Seed dormancy can be overcome by all the following methods except:
1.  Mechanical abrasions or vigorous shaking
2.  Microbial action
3.  Subjecting seeds to chilling conditions
4.  Treating seeds with abscisic acid or para-ascorbic acid
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

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