ಮುಖ್ಯ ವಿಷಯಕ್ಕೆ ಹೋಗಿ

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 112

Which scientist/physician first introduced vaccination?

Robert Koch
Élie Metchnikoff
Edward Jenner
Joseph Lister
None of the above / More than one of the above

ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (C) Edward Jenner

ವಿವರಣೆ

Edward Jenner used cowpox to protect against smallpox, founding vaccination.

(A) ತಪ್ಪು
Wrong: discovered TB and cholera bacteria.
(B) ತಪ್ಪು
Wrong: discovered phagocytosis.
(C) ಸರಿ
Correct: Jenner developed the smallpox vaccine (1796).
(D) ತಪ್ಪು
Wrong: pioneered antiseptic surgery.
(E) ತಪ್ಪು
Wrong: only one of the options A–D is correct.