Question

The central sterile column of tissues present in the sporophyte of
Anthoceros. (Express in one word)​

Answer 1

The central sterile column of tissues present in the sporophyte of Anthoceros. :- endothecium

Answer 2

Explanation:

Columella is the central pith-like cylindrical portion of the theca, composed of parenchyma cells. The distal cone-shaped end of the columella projects into the concavity of the operculum and at the basal constricted end it is connected with the apophysis. It is a sterile tissue that provides water and nutrients, required for the development of spores in the spore sac.

So, the correct answer is 'Columella"