Question:
Which of the following is not correctly matched?
Which of the following is not correctly matched?
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Check the oxygen requirements of microorganisms carefully; Entamoeba cannot survive in presence of oxygen, making it obligate anaerobe.
Updated On: Jun 19, 2026
- Only (ii)
- Only (iii)
- Only (iv)
- Only (i)
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The Correct Option is A
Solution and Explanation
Step 1: Understand the terms.
- Biological vector: organism that transmits pathogen (e.g., mosquito for malaria).
- Facultative anaerobe: organism that can survive with or without oxygen.
- Smart parasite: Plasmodium, causes malaria.
- Mechanical vector: non-living carrier or incidental carrier (e.g., cockroach).
Step 2: Check the matches.
- i) Biological vector → Female Anopheles mosquito-Correct
- ii) Facultative anaerobe → Entamoeba-Incorrect, Entamoeba is obligate anaerobe
- iii) Smart parasite → Plasmodium-Correct
- iv) Mechanical vector → Cockroach-Correct
Step 3: Identify the mismatch.
- Only the facultative anaerobe match is wrong.
Step 4: Conclusion.
- Hence, the option not correctly matched is Only (ii).
- Biological vector: organism that transmits pathogen (e.g., mosquito for malaria).
- Facultative anaerobe: organism that can survive with or without oxygen.
- Smart parasite: Plasmodium, causes malaria.
- Mechanical vector: non-living carrier or incidental carrier (e.g., cockroach).
Step 2: Check the matches.
- i) Biological vector → Female Anopheles mosquito-Correct
- ii) Facultative anaerobe → Entamoeba-Incorrect, Entamoeba is obligate anaerobe
- iii) Smart parasite → Plasmodium-Correct
- iv) Mechanical vector → Cockroach-Correct
Step 3: Identify the mismatch.
- Only the facultative anaerobe match is wrong.
Step 4: Conclusion.
- Hence, the option not correctly matched is Only (ii).
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