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NEST2020BiologyMicrobes in Human Welfare

An epidemic of milk-borne gastroenteritis caused by Salmonella was reported in an Indian city in 1985. Faecal samples from suspected individuals were inoculated into Selenite broth (high Selenium concentration) and incubated. After a thorough investigation, it was found that only Salmonella, and not the common gut bacterium Escherichia coli could grow in this medium. The basis of growth of Salmonella in Selenite brot

Options

  1. AAmensalism
  2. BSynergism
  3. CAdaptation
  4. DSelection

Correct answer

D. Selection

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