Antibiotics inhibit the growth of or destroy</h2></div>

The microorganisms involved in floc formation during sewage treatment are </h2></div>

Write the main constituents of biogas.</h2></div>

Which of the following is wrongly matched?</h2></div>

<span>What makes cyanobacteria agriculturally important?</span></h2></div>

The main sources of biofertilizers are</h2></div>

(i) Why do farmers prefer biofertilizers to chemical fertilizers these days? Explain.<br> (ii) How do <i>Ana…

Which of the following plant is used as green manure?</h2></div>