Multiple choice

Which of the following does not grow in artificial media?

  1. Escherichia coli

  2. Rickettsias, chlamydias, Treponema pallidum

  3. Neisseria gonorrhoeae

  4. Mycobacterium leprae

  5. Both the options 2 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Rickettsias, chlamydias (obligate intracellular pathogens) and Treponema pallidum do not grow in artificial media. Mycobacterium leprae is grown in armadillos because of its low temperature.

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