<span>Biodegradable pollutant among the following is _______.</span></h2></div>

What is required for nitrogen fixation by <i>Rhizobium</i>?<br> </h2></div>

Which of the following bacteria causes sorter's disease in sorter's?</h2></div>

Pasteurization makes food stuffs free from</h2></div>

Waksman got Nobel Prize for his discovery of</h2></div>

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

IRRI proposed which one of the following for the prevention of fertilizers pollution in agriculture?</h2>…

Producer gas differs from biogas in having</h2></div>