Describe how biogas is generated from activated sludge. List the components of biogas.</h2></div>

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

Brandy is prepared by fermentation of wine.

Which of the following parts of a bacteriophage is labelled incorrectly?

Identify the set which has all organisms used in biological control of pests.</h2></div>

How Rhizobium helps in nitrogen fixation?</h2></div>

<span>How do mycorrhizae act as biofertilizers? Explain. Name a genus of fungi that forms a mycorrhizal associatio…

Viruses are defined as</h2></div>