Describe any two uses of bacteria in industry.</h2></div>

Activated sludge should have the ability to settle quickly so that it can:</h2></div>

Mixture of biogas contains</h2></div>

<p><i>Azolla</i> possesses symbiotic association with</p> </h2></div>

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

Which bacterium is used extensively as biopesticide?</h2></div>

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

Producer gas is obtained through the process of _____