Which shape of bacteria has been represented in the following diagram?

Which one of the micro-organism is used for production of citric acid in industries?<br> </h2></div>

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

Why are some molecules called bioactive molecules? Give two examples of such molecules.</h2></div>

Viruses are defined as</h2></div>

What is the full form of VAM?

All microbes are harmful to humankind.

The major gas in biogas production is ___________.</h2></div>