Azolla a type of an aquatic fern, is used as a biofertiliser in a paddy field due to its ability to fix the atmospheric …

They help in increasing soil fertility.</h2></div>

The magnitude of BOD of wastewater describes ?</h2></div>

Antifeedant compound is extracted from</h2></div>

Which of the following statement is incorrect?</h2></div>

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

<i>Azolla</i> is used as a biofertilizer, because it</h2></div>

Which of the following are biopesticides?</h2></div>