Koumiss is fermented milk where a mixture of lactic acid bacteria and yeast are used.

______ is a non-symbiotic aerobic nitrogen fixer.</h2></div>

Which one of the following is used in the production of citric acid?</h2></div>

Which of the following gas is responsible for the puffed-up appearance of the dough?

Which one is a biological in sewage treatment?<span><br> </span></h2></div>

<span>Define the term biofertilizers. How does each of the following serve as a biofertilizer?&l…

Who discovered the biggest bacteria in 1997?</h2></div>

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