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

Biogas plants are more often built in urban areas.

Large holes in Swiss cheese are formed due to production of a large amount of <span class="katex"><sp…

Give two examples of microbial pesticides with their hosts.</h2></div>

Streptokinase is used for _______</h2></div>

Draw a neat labelled diagram of a typical biogas plant.</h2></div>

What is activated sludge?

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