Critric acid used in production of beverages, toffees, chocolates is by fermentation of ______ by aspergillus niger.<…

Microbe used for biocontrol of pest butterfly caterpillars is </h2></div>

Sewage is broken down in<span><br> </span></h2></div>

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

Treatment of polluted water is carried out with the help of ?</h2></div>

During sewage treatment biogas produced includes</h2></div>

In sewage treatment, bacterial flocs are allowed to sediment in a settling tank. This sediment is called?</h2><…

Microorganisms used to increase the fertility of soil are called-</h2></div>