microbiology MCQs – Page 11

Practise focused microbiology questions with marked answers for exam preparation and subject revision.

microbiology Mcqs
501. The causative organism of syphilis is___________?
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A. Borrelia burgolorferi

B. Leptospira interrogans

C. Treponema pallidum

D. Chalamydia trachomatis

502. In small intestine, cholera toxin acts by______________?
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A. ADP ribosylation of the G regulatory protein

B. Activation of GTPase

C. Inhibition of adenyl cyclase

D. Active absorption of NaCI