Q. No.
Which of the following is incorrect about bacteria?
(1) Simple structure
(2) Not so extensive metabolic activity
(3) Complex behaviour
(4) Can be autotrophic
Which of the following is not archaebacteria?
| 1. | Halophile | 2. | Thermoalkalophiles |
| 3. | Methanogens | 4. | Thermoacidophiles |
Hot spring hosts which kind of archaebacteria?
(1) Thermoacidophiles
(2) Thermoalkalophiles
(3) Thermophiles
(4) Thermoneutrophiles
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 |
The specialised cells to fix atmospheric nitrogen is called as
(1) Heterocyst
(2) Heterocyte
(3) Heterocoem
(4) Heterolog
Find the incorrect match.
1. Heterocyst-Archaebacteria
2. Gelatinous sheath- BGA
3. Methanogen- Biogas
4. Chlorella- protista
Which of the following is correct with respect to heterocyst
(1) Nostoc, Anabena
(2) Only Anabena
(3) Nostoc
(4) All eubactetia
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