Which of the following bacteria causes sorter's disease in sorter's?</h2></div>

'Flocs' is?</h2></div>

Which of the following is the cyanobacterial group acting as biofertiliser?</h2></div>

On which of the following factors does the type of gas produced depend?

Biofertilisers are the living organisms which. </h2></div>

In treatment of waste, biological treatment is</h2></div>

Methanogens converts</h2></div>

Primary treatment involves filtration and distillation.