Which one of the following nutrients is not available in fertilizers?<br> </h2></div>

Which of the following is put into Anaerobic sludge digester for further sewage treatment?</h2></div>

What is the role of micro-organism in increasing the fertility of the soil?<br> </h2></div>

Mention the role of cyanobacteria as a biofertilizer.</h2></div>

<b>Which research institute is doing research on<i> Anabaena azollae </i>?</b></h2&g…

Name the scientist who reported the discovery of microorganisms.</h2></div>

Which of the following organism is used to obtain Streptokinase?

Cow dung is appropriately used as<br> </h2></div>