Here is Question No. 19 a part of our series on UPSC Prelims 2021.
Q19. Consider the following:
- Bacteria
- Fungi
- Virus
Which of the above can be cultured in an artificial/ synthetic medium?
a) 1 and 2 only
b) 2 and 3 only
c) 1 and 3 only
d) 1, 2 and 3
Answer: (a)
- The first statement is true. Synthetic culture media can be used to cultivate bacteria. Researchers have constructed a synthetic genome that is four times bigger and much more complicated than any that has ever been produced by rewriting the DNA of the bacterium Escherichia coli.
- The second claim is true. In artificial culture media, fungi can grow. Aspergillus fumigatus, Alternaria, Penicillium notatum, and
- Cladosporium herbarium were four significant fungi for allergology that were cultivated on a pure synthetic media. The third statement is untrue. Because viruses have no internal metabolic machinery and must replicate entirely within the host cell,they cannot be cultured in artificial culture conditions.
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