Write the difference between manure and biofertilizers.</h2></div>

In paddy fields, biological nitrogen fixation is chiefly brought about by.</h2></div>

Hydrocarbons were first isolated from plant latex by ______

Rhizobium is a free-living bacterium that fixes atmospheric nitrogen.

Which of the following is a transgenic crop?

Cultivation of Bt cotton has been much in the news. The prefix "Bt" means</h2></div>

The term antibiotic was coined by</h2></div>

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