Most active nitrogen fixing blue-green algae of rice fields is</h2></div>

<i>Azolla</i><span> is used as a biofertilizer, because it</span></h2></div&gt…

Which of the following is used in the preparation of soy sauce?</h2></div>

Citric acid used in the production of beverages, toffees, chocolates is obtained by fermentation of _______ by <i>…

Secondary treatment is carried out for removal of;<span><br> </span></h2></div>

Koumiss is fermented milk where a mixture of lactic acid bacteria and yeast are used.

In rumen of cattle, methanogens help in the breakdown of cellulose.

The most potent biofertilizer for sugarcane is?</h2></div>