Question

Which of the following cause plague?

• A. Salmonella typhi
• B. Leishmania hyphae
• C. Trichinella spiralis
• D. Yersinia pestis

Answer 1

The correct option is D

Yersinia pestis

The correct option is D.

Explanation of the correct option:

1. Plague is a bacterial infectious disease.
2. It is caused by Yersinia pestis.
3. The symptoms of plague include fever, weakness, headache, etc.

Explanation of the incorrect option:

Option A:

Salmonella typhi causes typhoid fever.

Option B:

Leishmania hyphae causes kala-azar in humans.

Option C:

Trichinella spiralis causes trichinosis in humans, and the symptoms include nausea, diarrhea, vomiting, fatigue, fever, abdominal pain, etc.

Final Answer:

Yersinia pestis causes plague.