alleryThe protective sheath that encloses the plumule in a grass embryo is the:
APericarp
BColeoptile
CColeorrhiza
DScutellum
Answer & Solution
Correct answer: B. Coleoptile
**Coleoptile** = protective sheath around the plumule (shoot apex + leaf primordia) in grasses.
**Coleorrhiza** does the same for the radicle.
Both protect the young seedling tip during emergence.
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