The residue left after methane production from cattle dung is:</h2></div>

Name and explain the role of the cells present in cyanobacteria which help in nitrogen fixation ?</h2></div>

Match the columns and choose the appropriate option.<table class="wysiwyg-table"><tbody><tr>…

Sewage water can be purified for recycling with the action of</h2></div>

Which of the following is not true for a biogas plant?

<b>Which research institute is doing research on<i> Anabaena azollae </i>?</b></h2&g…

Biogas production is rate limited by</h2></div>

Define microbes.<br> </h2></div>