Why are most of the seeds so hard and durable?

Due to the drying up of the tissues

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To protect the embryo

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To protect the plumule

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To survive the winter season

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Solution

The correct option is B
To protect the embryo

In angiosperms , the male and female gamete unite to form the zygote, which forms the embryo. The embryo after many stages of cell division and cell differentiation ultimately transforms into a new plant. So, for the propagation of the generation, embryo of angiosperms needs to be protected against the harsh environment. This is done by the seed, which encloses the embryo. Therefore, seeds usually have a seed coat which is a hard outer covering and protects the seed from harsh enviornmental conditions and mechanical damage.

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Similar questions

Q. Assertion: The seed dormancy helps the seeds to survive through an unfavourable season. e.g., a very cold winter or a very hot summer.
Reason: The dormancy of the seeds is regulated by hormones or by temperature and restricted oxygen uptake by hard seed-coat.

Q. contain the embryo, in a protective cover along with the supply of food for it to survive.

Fill in the blanks :
(a) In bean seeds, ___ grows faster and the seeds are brought___ ground.
(b) ___ is a protective layer of radicle and ___ protects the rolled plumule.
(c) A seed is protected by ___ and ___
(d) Seeds absorb water through ___ which also helps in the diffusion of respiratory gases.
(e) Rice, wheat, and maize are rich in ___ food.

Q. __________ contain the embryo, in a protective cover along with a supply of food for it to survive.

Why are most of the seeds so hard and durable?

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