Question

A few organisms are known to multiply at ${100}^o-{108}^o$C. They probably comes under

• A. Thermophilic sulphur bacteria
• B. Thermophilic subaerial fungi
• C. Hot spring blue-green algae
• D. Marine archaebacteria

Answer 1

Answer: (C)

Hot spring blue-green algae

Blue-green algae or Cyanobacteria growing in a hot spring in a hydrothermal area are called as hot spring Blue-green algae. They are able to grow and multiply at 100${}^o$-108${}^o$C. They obtain their food from numerous minerals and nutrients dissolved from underground rock.

Thus, the correct answer is 'Hot spring blue-green algae.'