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

What is incorrectly marked in the following figure?

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

Immunosuppressive cyclosporin A is obtained from</h2></div>

A farmer had been using a particular insecticide for a long time. What consequences will it have on Insect population?&l…

In treatment of waste, biological treatment is</h2></div>

Select the correct statement from the following </h2></div>

<i>Sesbania rostrate</i> is preferred as green manure over other species because.</h2></div>