Question

Lichens are a well-known combination of an alga and a fungus where the fungus has

• A. An epiphytic relationship with the alga
• B. A parasitic relationship with the alga
• C. A symbiotic relationship with the alga
• D. A saprophytic relationship with alga

Answer 1

Answer: (C)

Lichens are symbiotic associations i.e. mutually useful associations, between algae and fungi. The algal component is known as phycobiont and fungal component as mycobiont, which are autotrophic and heterotrophic, respectively. Algae prepare food for fungi and fungi provide shelter and absorb mineral nutrients and water for its partner.