Most commonly used green manure plants are</h2></div>

Explain how <i>Rhizobia </i>are useful for farmers.</h2></div>

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

Mention a product of human welfare obtained with the help of the following microbe <i>Saccharomyces cerevisiae&amp…

What measures are to be taken to save paper?</h2></div>

Refer to the given dichotomous key and select the correct option.<br> I.   (a) Fibre obtained fr…

Which of the following is not organic waste?

Besides dung, the weed that can be used in biogas production is</h2></div>