The embryo of a grass seed is enclosed by two protective sheaths, a(n)________, which covers the young shoot, and a(n)________, which covers the young root.
A) cotyledon; radicle
B) hypocotyl; epicotyl
C) coleoptile; coleorhiza
D) scutellum; coleoptile
E) epicotyl; radicle

Question

Quizplus · Accepted Answer

The coleoptile is a protective sheath that covers the young shoot, while the coleorhiza is a protective sheath that covers the young root. The other options either do not accurately describe the protective sheaths (A, B, and D) or mix up the protective sheaths with other structures (E).

The Embryo of a Grass Seed Is Enclosed by Two