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

Biogas plants are more often built in urban areas.

Give scientific reason.<div>Microbial enzymes are used instead of chemical catalysts in chemical industry.<br&g…

<b>How <i>Bacillus thermogenesis</i> is used as a biopesticide.</b></h2></div>

Which of the following is wrongly matched?</h2></div>

Which one of the following is useful in rice fields?</h2></div>

Biofertilizer is best depicted by</h2></div>

Why are blue green algae not popular as biofertilisers? </h2></div>