The fixation of free nitrogen from the air in the nodules of roots of leguminous plants is done by symbiotic bacteria&lt…

Name any two species of fungus, which are used in the production of the antibiotics.</h2></div>

<i>Azolla</i><span> increases rice productivity, due to its association with</span><…

The microbial biofertilizers which can act both symbiotically and non-symbiotically to increases soil fertility are?<…

Which of the following symbiotic association is useful as biofertilizer?<br> </h2></div>

Which bacterium is known to form crystal protein?</h2></div>

<span>Application Based Questions :<br> The leaves of Azolla are used as biofertilizer. Co…

Purified antibiotic penicillin of <i>Penicillium notatum</i> was obtained by :</h2></div>