PLANT PHYSIOLOGY
PLANT GROWTH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which structure protects the seed?
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root
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cotyledon
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stem
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seed coat
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Explanation:
Detailed explanation-1: -A seed coat protects the internal parts of a seed. The seed coat has two layers. The outer layer is thick and known as the testa. The inner layer is thin and known as tegmen.
Detailed explanation-2: -The seed coat, or testa, is derived from the one or two protective integuments of the ovule.
Detailed explanation-3: -Hence, Seed coat, endosperm, and embryo are the three components of a plant seed. The seed coat protects the seed from harm caused by physical, mechanical, temperature, and water.
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