Which of the following are found in extreme saline conditions?
| 1. | Archaebacteria | 2. | Eubacteria |
| 3. | Cyanobacteria | 4. | Mycobacteria |
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the
1. thermoacidophiles
2. methanogens
3. eubacteria
4. halophiles
Methanogens belong to:
1. eubacteria
2. archaebacteria
3. dinoflagellates
4. slime moulds
Which one of the following statements is wrong?
| 1. | Golden algae are also called desmids |
| 2. | Eubacteria are also called false bacteria. |
| 3. | Phycomycetes are also called algal fungi. |
| 4. | Cyanobacteria are also called blue-green algae. |