Civil Services Prep

Prelims 2021 · Science and Technology · Question 69

Consider the following:<br/>1. Bacteria<br/>2. Fungi<br/>3. Virus<br/><br/>Which of the above can be cultured in artificial/synthetic medium?

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

1 and 2 only

  1. Bacteria — Most bacteria can be grown on artificial culture media like nutrient agar/broth. Verdict: Correct.

  2. Fungi — Fungi are routinely cultured on synthetic/artificial media such as Sabouraud agar or potato dextrose agar. Verdict: Correct.

  3. Virus — Viruses are obligate intracellular parasites; they cannot grow on ordinary artificial media and require living cells/eggs/tissue culture. Verdict: Incorrect.

Hence, only 1 and 2 can be cultured in artificial/synthetic medium.

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