A.Dead bacteria
B.Oxygen
C.Carbondioxide
D.Hydrogen sulphide
E.None of the above
Related Mcqs:
- Bacteria which grow either in the presence or absence of oxygen___________??
- Stanley Miller in his classical experiment on formation of amino acids passed an electric discharge in the mixture of:
- The presence of high coliform counts in water indicates __________?
- Those bacteria which are fully dependent upon their host for nutrition are called__________??
- The word Archaeobacteria (a division of bacteria) derived from Greek means___________??
- Nitrifying bacteria are the examples of___________??
- Purple non-sulphur bacteria is an example of___________??
- Most of gases exhibit drop in temperature upon expansion. However, this may not be true in case of
- Nitrogen gas returns to the atmosphere by the action of ____________.
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
