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
The guts of a cow and a buffalo possess:
1. Fucus sp
2. Chlorella sp
3. methanogens
4. cyanobacteria
Bacillus, Coccus, Vibrio, and Spirillum are four basic shapes of:-
1. Bacteria
2. PPLO
3. Mycoplasma
4. Both (2) and (3)
Match the organisms in Column I with habitats in Column II.
Column I | Column II | ||
(a) | Halophiles | (i) | Hot springs |
(b) | Thermoacidophiles | (ii) | Aquatic environment |
(c) | Methanogens | (iii) | Guts of ruminants |
(d) | Cyanobacteria | (iv) | Salty areas |
Select the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | (iv) | (i) | (iii) | (ii) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (iii) | (iv) | (i) | (i) |
4. | (ii) | (iv) | (iii) | (i) |
Which of the following is not archaebacteria?
(1) Halophile
(2) Thermoalkalophiles
(3) Methanogens
(4) Thermoacidophiles
Bacterial structure and behaviour are respectively:-
1. Simple, Simple
2. Complex, Simple
3. Simple, Complex
4. Complex, Complex
Hot spring hosts which kind of archaebacteria?
(1) Thermoacidophiles
(2) Thermoalkalophiles
(3) Thermophiles
(4) Thermoneutrophiles
Which of the following are found in extreme saline conditions?
1. Archaebacteria
2. Eubacteria
3. Cyanobacteria
4. Mycobacteria
Organisms called Methanogens are most abundant in a
(1) cattle yard
(2) polluted stream
(3) hot spring
(4) sulphur rock
Methanogens belong to
1. eubacteria
2. archaebacteria
3. dinoflagellates
4. slime moulds