Raw material used in formation of producer gas is</h2></div>

The effluent from the primary settling tank is taken for secondary treatment.

Storage grains produce aflatoxin due to growth of </h2></div>

Microbes those can be used as biofertilizer:</h2></div>

<i>Trichoderma harzianum</i> has proved a useful microorganism for</h2></div>

Yeast is important source of :</h2></div>

The nutritive medium for growing bacteria and many fungi in laboratory is called </h2></div>

Which one of the following is wrong statement?</h2></div>