DENDROLOGY AND SOCIETY
FAMILIES OF ANGIOSPERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the name for the outermost layer of a seed that helps to protect it?
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angiosperm
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radicle
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cotyledon
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seed coat
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Explanation:
Detailed explanation-1: -The outermost layer, testa, is the thickest. The inner layer is called tegmen. The seed is shielded from water and sunlight by its thick seed coat .
Detailed explanation-2: -Seeds are composed of three parts: the embryo, which will develop into a seedling, the endosperm and the seed coat, which is the outer protective envelope. The endosperm, which contains nutrients and is often compared to the placenta of mammals, can occupy the largest volume of the seed.
Detailed explanation-3: -seed coat. The outer protective covering of a seed. The seed coat develops from the integument of the ovule. Also called testa.
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