When a natural predator applied on the other pathogenic organisms to control them, this process is called as<br> &…

The sedimented and floating materials are removed by this treatement process.</h2></div>

Which is not used as a biopesticide?</h2></div>

Purified antibiotic penicillin of <i>Penicillium notatum</i> was obtained by :</h2></div>

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

The primary treatment of sewage water involves.</h2></div>

Biopesticides are</h2></div>

.........  is a <span>symbiotic relationship between fungal hyphae and roots of higher plants.&l…