NBCE Part 1 - Microbiology exam 2023 with 100% correct answers

Made first microscope - correct answer -Von leeuwenhoek Washing hands to reduce puerperal fever - correct answer -Semmelweis Disproved spontaneous generation - correct answer -Pasteur Antiseptic surgery - correct answer -Lister Koch's postulates - correct answer -Organism must be observed in every case of dz Organism must be isolated and grown in pure culture Organism must cause the dz when injected into susceptible animal Organism must be recovered from experimental animal and its identity confirmed. Father of immunology, devised first drugs against bacteria. Key-in-lock concept - correct answer -Ehrlich Discovered penicillin - correct answer -Fleming Killed polio virus - correct answer -Salk Prokaryotes have - correct answer -No definite nucleus No nuclear membrane Eukaryotes have - correct answer -True nucleus with nuclear membrane. External layer: Protects bacteria from phagocytosis - correct answer -Capsule