The role of bacteria in the carbon cycle is:

Microbes like $Spirulina$ can be grown on materials like:
$I$. Waste water from potato processing plants
$II$. Straw
$III$. Animal manure and sewage
$IV$. Molasses
Choose the correct option.

Identify the bacterium from the given options.

Which organisms have been used for human welfare for centuries?

The nutritive medium for growing bacteria and many fungi in the laboratory is called

Which of the following statements is false regarding microorganisms?