Plant Kingdom Question 319

Question: Which one controls dehiscence of sporangium in Dryopteris [CBSE PMT 1995]

Options:

A) Annulus

B) Tapetum

C) Sorus

D) Indusium

Show Answer

Answer:

Correct Answer: A

Solution:

They develop a thickening along their radial and inner tangential walls.

This layer is called annulus.