Question

The name of pathogen of typhoid is

• A. Ascaris
• B. Amoeba
• C. Paramecium
• D. Salmonella

Hint:

Typhoid fever is caused by *Salmonella typhi* and is transmitted through contaminated food and water.

Answer 1

The Correct Option is D

Step 1: Understanding typhoid disease.
Typhoid fever is a bacterial infection that spreads through contaminated food and water. It primarily affects the intestinal tract and bloodstream.

Step 2: Identifying the pathogen.
- (A) Ascaris: This is a parasitic roundworm that causes ascariasis, not typhoid.
- (B) Amoeba: Causes amoebic dysentery, not typhoid.
- (C) Paramecium: A free-living ciliate, not a human pathogen.
- (D) Salmonella: Specifically, *Salmonella typhi* is the bacterium that causes typhoid fever.

Step 3: Conclusion.
The correct answer is (D) Salmonella, as *Salmonella typhi* is the causative agent of typhoid.