Question

In Dryopteris the opening mechanism of sporangium is effectively operated by [MHCET 2003]
A) Stalk
B) Stomium
C) Annulus
D) None of these

Answer 1

Hlo..

The answer is B) Stomium..

Hope it helps..

And here CutieBarbie :)

Answer 2

hiii,

In Dryopteris the opening mechanism of sporangium is effectively operated by Stomium

hope helps