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

Why lyophilized cultures of microbes remain viable for several years?</h2></div>

Which of the following bacteria is associated with the production of bioinsecticide?</h2></div>

Where is the major part of sludge pumped in secondary treatment?

Sewage water is purified for reuse by the action of</h2></div>

Milk starts to coagulate when <i>Lactobacillus </i>is added to warm milk as a starter. Mention any …

Besides paddy fields, cyanobacteria are also found inside vegetative part of : </h2></div>

From which of the following species an antibiotic is generally not obtained?