Question

In Maize, a tubular sheath covers the plumule. It is

• A. Coleoptile
• B. Coleorhiza
• C. Mesocotyl
• D. Scutellum

Answer 1

Answer: (A)

Coleoptile

A. The plumule is surrounded by a conical protective sheath, called coleoptile. It is capable of growth and covers the growing shoot tip.

B. Coleorhiza- The radicle is covered by a protective sheath called coleorhiza.

C. Mesocotyl- An elongated portion of the axis between the cotyledon and the coleoptile of a grass seedling.

D. In endospermic seed, the embryo consists of an upper shield shaped scutellum which is actually a reduced cotyledon.

So, the correct answer is 'Coleoptile'.