Question:

Consider the following list of bacteria and the infections they cause in humans. 

Which one of the following combinations correctly matches these micro-organisms and the infections they cause in humans? 
 

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When matching diseases with causative organisms, remember that many pathogens have well-established associations with certain infections.
Updated On: Dec 24, 2025
  • P-2; Q-1; R-4; S-3
  • P-2; Q-3; R-1; S-4
  • P-3; Q-4; R-1; S-2
  • P-3; Q-4; R-2; S-1
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The Correct Option is C

Solution and Explanation

We are asked to match each bacteria with the infection it causes. Let's go through the options systematically.
- Staphylococcus aureus (P): Known to cause postoperative infections.
- Shigella sp. (Q): Causes diarrhoea.
- Neisseria sp. (R): Known for causing meningitis.
- Yersinia pestis (S): Causes plague.
Now, match the correct pairs: - P → Postoperative infection (Option 3)
- Q → Diarrhoea (Option 4)
- R → Meningitis (Option 1)
- S → Plague (Option 2)
Thus, the correct combination is P-3; Q-4; R-1; S-2, which matches Option (C).
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