Most of the lichens are composed of

Options

A. blue-green algae and Basidomycetes
B. blue-green algae and Ascomycetes
C. red algae and Ascomycetes
D. brown algae and Phycomycetes

Answer

B

Explanation

(b) Lichens consist of the fungal component mycobiont, mainly Ascomycotina (only a few Basidiomycotina and Deuteromycotina) and the algal component, phycobiont which are mostly blue-green algae (Nostoc, Scytonema) or green algae (Trebouxia, Trentophila, etc.)