Question

Match items in List I with items in List II
List I: A. Rickettsia prowazekii, B. Variola major, C. Varicella zoster Virus, D. Borrelia recurrentis
List II: I. Relapsing fever, II. Epidemic typhus, III. Small pox, IV. Shingles

• A. A-I, B-II, C-III, D-IV
• B. A-IV, B-I, C-II, D-III
• C. A-III, B-IV, C-I, D-II
• D. A-II, B-III, C-IV, D-I

Hint:

Variola = Smallpox; Varicella = Shingles/Chickenpox.

Answer 1

The Correct Option is D

Step 1: Concept
Different pathogens (bacteria and viruses) are responsible for specific clinical diseases.

Step 2: Meaning
Identifying the causative agent is fundamental to medical microbiology.

Step 3: Analysis
- Rickettsia prowazekii (A): Causative agent of epidemic typhus (II), transmitted by body lice. - Variola major (B): The virus responsible for smallpox (III). - Varicella zoster Virus (C): Causes chickenpox and can reactivate later in life as shingles (IV). - Borrelia recurrentis (D): The bacterium responsible for louse-borne relapsing fever (I).

Step 4: Conclusion
The correct matching sequence is A-II, B-III, C-IV, D-I. Final Answer: (D)