Zaymiey

🔬 Biology  ·  Reproductive Health  ·  NEET

Which STI is caused by the bacterium Treponema pallidum?

Answer: Syphilis.

  • A Gonorrhoea
  • B Syphilis
  • C Chlamydia
  • D Trichomoniasis

Correct answer: B. Syphilis

Explanation: Syphilis is caused by the spirochete bacterium Treponema pallidum. It progresses through primary, secondary, and tertiary stages if untreated.

Contraceptive Methods by CategoryNaturalabstinence,withdrawalBarriercondom (alsoblocks STIs)IUDCuT, LippesloopHormonalpills, injectables,implantsSurgicalvasectomy,tubectomyEffectiveness and permanence generally increase left→right; only barrier methods stop STI transmission

Contraceptive methods span a spectrum from temporary/natural to permanent/surgical; condoms stand out as the only method offering STI protection alongside contraception.

Concept context

Understand reproductive health, family planning, contraception methods, STIs, population control, and assisted reproductive technologies.

Read the full Reproductive Health notes →