Legume seeds exhibit dormancy because of

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(B) Seed dormancy is a state in which seeds are prevented from germinating even under environmental conditions normally favourable for germination. In

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Hard seed coat

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(B) Seed dormancy is a state in which seeds are prevented from germinating even under environmental conditions normally favourable for germination. In many legume seeds,the seed coat is physically hard and impermeable to water and oxygen. This hard seed coat acts as a mechanical barrier,preventing the embryo from imbibing water and exchanging gases,which is essential for the initiation of metabolic activities required for germination. Therefore,the primary cause of dormancy in these seeds is the hard seed coat.

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