Describe the role of micro-organisms in industrial production.</h2></div>

The more variety a landscape has, the more sustainable it is.

Sewage water is purified by</h2></div>

Which one of the following is wrong statement?</h2></div>

What are the by-products of alcoholic fermentation?

Choose the correct answers from the alternatives given.<br> A free-living bacterium capable of fixing nit…

Penicillin was first commercially prepared in</h2></div>

The prickly pear weed (<i>Opuntia</i>) became a menace and it has been successfully controlled by&l…