Question

Endothelium develops from

• A. Endostome
• B. Exostome
• C. Chalaza
• D. Inner layer of integument

Answer 1

The correct option is D Inner layer of integument

The outer and inner integument of the ovule are of dermal derivation. The endothelium develops from the inner layer of integument. It is also called as integumentary tapetum. At maturity, it becomes about 14-cell layers thick. The middle layers give the shape of the ripe seed.

Thus, the correct answer is option D.