Which of the following is not archaebacteria?
| 1. | Halophile | 2. | Thermoalkalophiles |
| 3. | Methanogens | 4. | Thermoacidophiles |
Which organisms are responsible for the production of biogas?
| 1. | Archaebacteria | 2. | Eubactetia |
| 3. | Mycoplasma | 4. | Protists |
The characteristic feature of eubacteria is -
| 1. | Rigid cell wall |
| 2. | Flagellum in motile ones |
| 3. | Chlorophyll a |
| 4. | all of these |
Cyanobacteria do not possess which feature?
| 1. | Unicellular |
| 2. | Colonial or filamentous |
| 3. | Form blooms in polluted water bodies |
| 4. | Only marine algae |
Find the incorrect match.
1. Heterocyst-Archaebacteria
2. Gelatinous sheath- BGA
3. Methanogen- Biogas
4. Chlorella- protista
Chemosynthetic bacteria does not use which inorganic substrate?
| 1. | Nitrites | 2. | Nitrates |
| 3. | Chlorides | 4. | Both 1 and 2 |
Which of the following features does not go with characteristics of chrysophytes
| 1. | Diatoms+ Desmids |
| 2. | Rarely photosynthetic |
| 3. | Plankton |
| 4. | Found in both type of aquatic habitat ie marine and fresh water |
Euglenoids do not possess this feature-
| 1. | Always photosynthetic |
| 2. | Pigments like higher plants |
| 3. | Pellicle provides flexibility |
| 4. | Found in stagnant water |
Which of the following shows the coordinated movement of cilia?
1. Trypanosoma
2. Entamoeba
3. Paramoecium
4. Plasmodium
We usually observe some colourful growth on moist bread and rotten fruits, what does it belong to?
| 1. | Bacteria | 2. | Fungi |
| 3. | Algae | 4. | None of the above |