First slide

Post-fertilisation: Structures and Events

Question

Which of the following is crucial for storage of seeds to be used as food throughout the year and to raise crops in the next season?

Easy

A

Abundant presence of water in the seeds.
B

High metabolic activities in the seed.
C

Dehydration and dormancy of matured seeds.
D

Presence of perisperm in the seeds.

Solution

As the seed matures, its water content is reduced and seeds become relatively dry (10-15 per cent moisture by mass). The general metabolic activity of the embryo slows down. The embryo may enter a state of inactivity called dormancy.
Dehydration and dormancy of mature seeds are crucial for storage of seeds which can be used as food throughout the year and also to raise crop in the next season.

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