Antihaemorrhagic ergot alkaloids are got from _________.</h2></div>

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

Charcoal is the commonest source of energy.

Define antibiotics.</h2></div>

What are bio-fertilizers? Describe their role in agriculture. Why are they preferred to chemical fertilizers?</h2>…

What is the method of controlling pests in agriculture by the organic farmer?

Define: Biofertiliser</h2></div>

"Dodder" can transmit<br> </h2></div>