The place where sporangium of a fern bursts open is called
A) Operculum
B) Annulus
C) Stomium
D) Ostiole
Answers
The answer is Option C.
The place where sporangium of a fern bursts open is called Stomium.
The stomium features thin walled cells with radial elongation and is present in the annulus. It controls the opening mechanism of the sporangium and breaks this open to release the pollen grains or spores.
The plural form of stomium is stomia.
The place where sporangium of a fern bursts open is called is the C) Stomium.
The ferns are plants that belong to the family of pteridophytes. It is the first basic group or sector in the plant family which is differentiated into various vascular systems. The spores that are produced by the fern to reproduce reach and gets dissipated out through the Stomium.
The Stomium is a very thin walled annulus that marks the region of dehiscence of a fern sporangium.