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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. On

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Hard seed coat

Vedclass · Answer

(B) Seed dormancy is a state in which seeds are prevented from germinating even under environmental conditions normally favourable for germination. One of the primary factors responsible for seed dormancy is the presence of a hard and impermeable seed coat,which prevents the entry of water and oxygen required for metabolic activities. Additionally,the presence of growth inhibitors like Abscisic Acid $(ABA)$ also contributes to dormancy. Conversely,$GA$ (Gibberellic Acid) promotes germination and breaks dormancy. Therefore,a hard seed coat is a physical factor that causes seed dormancy.

Which of the following is responsible for seed dormancy?

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