IRENE GOLD MICROBIOLOGY EXAM PREP
GUIDE 2026 CORE MICROBIOLOGY
CONCEPTS AND SOLVED ITEMS
◉ What organism causes meningitis in neonates?
Answer: Group B strep
◉ What gram positive rod causes tetanus?
Answer: Clostridium tetani
◉ What gram positive rod causes botulism?
Answer: Clostridium botulinum
◉ What gram positive rod causes pseudomembranous colitis?
Answer: Clostridium difficile
◉ What gram positive rod causes gas gangrene?
Answer: Clostridium perfringens
◉ What gram positive rod causes diphtheria?
Answer: Corynebacterium diphtheriae
, ◉ What gram positive rod causes listeria infection?
Answer: Listeria monocytogenes
◉ What gram negative diplococcus causes gonorrhea?
Answer: Neisseria gonorrhoeae
◉ What gram negative diplococcus causes meningitis?
Answer: Neisseria meningitidis
◉ What gram negative rod causes pneumonia in alcoholics?
Answer: Klebsiella pneumoniae
◉ What gram negative rod causes UTI?
Answer: Escherichia coli
◉ What gram negative rod causes ulcers?
Answer: Helicobacter pylori
◉ What gram negative rod causes diarrhea from contaminated food?
Answer: Salmonella
GUIDE 2026 CORE MICROBIOLOGY
CONCEPTS AND SOLVED ITEMS
◉ What organism causes meningitis in neonates?
Answer: Group B strep
◉ What gram positive rod causes tetanus?
Answer: Clostridium tetani
◉ What gram positive rod causes botulism?
Answer: Clostridium botulinum
◉ What gram positive rod causes pseudomembranous colitis?
Answer: Clostridium difficile
◉ What gram positive rod causes gas gangrene?
Answer: Clostridium perfringens
◉ What gram positive rod causes diphtheria?
Answer: Corynebacterium diphtheriae
, ◉ What gram positive rod causes listeria infection?
Answer: Listeria monocytogenes
◉ What gram negative diplococcus causes gonorrhea?
Answer: Neisseria gonorrhoeae
◉ What gram negative diplococcus causes meningitis?
Answer: Neisseria meningitidis
◉ What gram negative rod causes pneumonia in alcoholics?
Answer: Klebsiella pneumoniae
◉ What gram negative rod causes UTI?
Answer: Escherichia coli
◉ What gram negative rod causes ulcers?
Answer: Helicobacter pylori
◉ What gram negative rod causes diarrhea from contaminated food?
Answer: Salmonella