Microbes in Human Welfare — Prelims Questions

Which of the following pairs correctly matches a microbe with its industrial product?

Which of the following statements about secondary sewage treatment is incorrect?

Which of the following is a free-living, nitrogen-fixing bacterium?

Which of the following bioactive molecules is used as an immunosuppressive agent in organ transplant patients?

Which of the following microbes is used for the production of biogas?

Which of the following is an example of a biocontrol agent that belongs to the genus *Nucleopolyhedrovirus*?