Question

Syphilis is caused by

• A. Treponema pallidum
• B. Leptospira
• C. Pasteurella
• D. Vibrio

Answer 1

The correct option is A Treponema pallidum

• Syphilis is a sexually transmitted disease caused by spirochaetal bacterium Treponema pallidum.

• Transmission of syphilis is almost always through sexual contact or congenitally through the placenta to a fetus or at birth from an infected mother.

• Hence syphilis is caused by Treponema pallidum.

• So, the correct answer is 'Treponema pallidum'.