Testa is the outer layer of the seed coat.

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Multiple Choice

Testa is the outer layer of the seed coat.

Explanation:
Testa is the outer protective layer of the seed coat, formed from the ovule’s outer covering (the integuments). This makes it the outermost layer surrounding the seed’s contents, shielding the embryo as it develops and disperses. The inner layer is the tegmen, located beneath the testa, while the endosperm is a separate nutritive tissue inside the seed, not part of the coat. So the term that names the outer seed-coat layer is testa.

Testa is the outer protective layer of the seed coat, formed from the ovule’s outer covering (the integuments). This makes it the outermost layer surrounding the seed’s contents, shielding the embryo as it develops and disperses. The inner layer is the tegmen, located beneath the testa, while the endosperm is a separate nutritive tissue inside the seed, not part of the coat. So the term that names the outer seed-coat layer is testa.

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