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By which action a seed coat becomes permeable to water :
A
Scarification
B
Stratification
C
Vernalization
D
All of the above
Detailed Solution
Some seeds have hard, impermeable seed coats that do not allow water to enter, causing dormancy.
Scarification is the mechanical (rubbing, scratching) or chemical (acid treatment) breaking or weakening of the seed coat, which makes it permeable to water and gases.
Stratification is exposure of seeds to low temperature to break embryo dormancy, and vernalization is cold treatment to induce flowering.
So the seed coat becomes permeable to water by scarification.
Scarification is the mechanical (rubbing, scratching) or chemical (acid treatment) breaking or weakening of the seed coat, which makes it permeable to water and gases.
Stratification is exposure of seeds to low temperature to break embryo dormancy, and vernalization is cold treatment to induce flowering.
So the seed coat becomes permeable to water by scarification.