Question

Fibrous thickening of hygroscopic nature are found in .......... part of anther.

• A. Epidermis
• B. Tapetum
• C. Middle layer
• D. Endothecium

Answer 1

Answer: (D)

Endothecium

In the middle of the epidermis and middle layers of an angiosperm anther sac wall, there is a single layer of radially elongated cells called endothelium is present. The cells of endothecium are hygroscopic as they have fibrous thickening in their cell walls and thus, help in the dehiscence of the mature anther.

So the correct option is 'Endothecium'.