12.The outer covering of Endosperm separates the embryo by a proteinaceous layer called : A. Sporopellenin B. Aleurone layer C. Pericarp D. Periderm
Option B.Endosperm is the tissue that surrounds and nourishes the embryo in the seeds of flowering plants. The outer most layer of the endosperm is rich in protein and is called aleurone layer.
