Which is purely anaerobic?
(4) None of these
(4) None of the groups i.e., algae, fungi or mosses are purely anaerobic. Algae- The group algae includes most primitive plants with simple thalloid body. They are chlorophyll bearing photosynthetic aerobes.
Fungi- Generally aerobic but some unicellular forms like yeast can respire anaerobically (fermentation) which are beneficial and used in many industries for production of various products such as alcohol, enzymes, bread, etc.
Mosse- Includes simplest and primitive land plants which occupy a position between algae and pteridophyta.