The <span class="katex"><span class="katex-html" aria-hidden="true"><span c…

The primary treatment of sewage water involves.</h2></div>

Explain biogas plant with a labelled diagram.</h2></div>

Those animals or plants or microbes which destroy crops and their products are known as?</h2></div>

Depending on the type of raw material used for fermentation and the type of processing, different types of alcoholic dri…

(i) Expand BOD.<br> (ii) At a particular segment of a river near a sugar factory, the BOD is much higher than the …

A compound produced by an organism that inhibits the growth of another micro-organism is called</h2></div>

Methanogenic bacteria are not found in</h2></div>