Discuss the role of fungi as biofertilizers.</h2></div>

What does the given figure represent?

The gases produced in a digestion tank have --------.<span><br> </span></h2></div>

Sewage sludge is used as a</h2></div>

Microbes are only present in hot and humid areas.

Which of the following is present in activated sludge?</h2></div>

Explain the scientific reason for growing <i>Azolla pinnata</i> in a rice field.<br>…

Which of the following statements is/are incorrect ? <br> (i) Cyanobacteria are autotrophic microbes widely distri…