'Flocs' is?</h2></div>

Which one of the micro-organism is used for production of citric acid in industries?<br> </h2></div>

What measures are to be taken to save paper?</h2></div>

A sewage treatment process in which a part of decomposer bacteria present in the wastes is recycled into the starting of…

If the nitrogenase enzyme has been inactivated by radiation, there will be no _________.</h2></div>

Identify the odd one out ?<br> </h2></div>

The heat treatment that destroys harmful bacteria and also causes little nutrient damage is</h2></div>

Which one of the following is not used as biofertilizer?</h2></div>