Which of the following pairs serves as a biofertilizer?</h2></div>

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

Biogas is produced by:</h2></div>

Who is the father of microbiology?</h2></div>

In paddy fields, cyanobacteria serve as an important bio-fertiliser.

What are flocs?

Wastewater treatment generates a large quantity of sludge, which can be treated by?</h2></div>

Enriched vitamin tablets are produced from</h2></div>