Question

Treponema pallidum, the causative agent of syphilis, belongs to which bacterial morphological classification?

Options

• Gram-positive cocci

• Spirochaete bacteria

• Gram-negative diplococci

• Intracellular bacteria

Answer 1

Treponema pallidum is classified as a spirochaete bacterium, which is a spiral-shaped bacterium. This distinguishes it from other bacterial STI pathogens. Spirochaetes are characterized by their distinctive helical or spiral morphology.