Which one of the following is a major constituent of Biogas?</h2></div>

Biopesticides are</h2></div>

Blood cholesterol lowering statins are obtained from</h2></div>

Which one of the following is a free-living obligate anaerobic bacterium?</h2></div>

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

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

Which of the following is not the characteristic of a good antibiotic?

Why does milk get sour after a long time?</h2></div>