During biogas production microorganism used to bring about the anaerobic digestion is </h2></div>

What is activated sludge?

The germ theory of diseases was established by</h2></div>

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

What are Biopesticides?</h2></div>

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

Refer to the given dichotomous key and select the correct option.<br> I.   (a) Fibre obtained fr…

Streptomycin is prepared from ?</h2></div>