Name a food product prepared by the action of bacteria.</h2></div>

A nitrogen fixing microbe associated with the fern Azolla in rice fields is:</h2></div>

Antibiotics inhibit the growth of or destroy</h2></div>

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

Which one of the following is not used in organic farming?</h2></div>

<i>Azolla </i>is used as a biofertilizer because <br> </h2></div>

<span>Inoculation of which one of the following free living bacteria has been reported to increa…

Pyrethrum is extracted from</h2></div>