Escherichia, Proteus and Klebsiella
- Previous year questions on Escherichia, Proteus and Klebsiella for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Microbiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 60 live questions in Escherichia, Proteus and Klebsiella.
- 1 of 60 questions carries a verified exam year: 2019.
- Microbiology is worth about 20 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 5 Sept 2026.
Q1.Hemolytic uraemic syndrome associate with
- AE. coli 0157✓ Correct answer
- BMalaria
- CParvovirus B19
- DBartonella henselae
Q2.The selective medium for E Coli 0157 : H7 is?
- AThiosulfate citrate bile salt sucrose agar
- BXylose Lysine Deoxycholate agar
- CSorbitol MacConkey agar✓ Correct answer
- DThayer Martin agar
Q3.In addition to ETEC another strain of E.coli that causes Travellers diarrhea is
- AEIEC
- BEHEC
- CEAEC✓ Correct answer
- DEPEC
Q4.Cystitis is most commonly caused by
- AE. coli✓ Correct answer
- BPseudomonas
- CProteus mirabilis
- DNeisseria gonorrhea
Q5.Maximum urease +ve is produced by -
- AH. pylori✓ Correct answer
- BP. mirabilis
- CK. rhinoscleromatis
- DUreaplasma
Q6.Enterohemorrhagic, enterotoxigenic and enteroinvasive are types of:
- AE. coli✓ Correct answer
- BKlebsiella
- CShigella
- DStreptococcus pneumoniae
Q7.Culture media used for O157:H7 Enterohemorrhagic E coli ?
- ASorbitol containing agar✓ Correct answer
- BMannitol containing agar
- CSucrose containing agar
- DDextrose containing agar
Q8.All of the following are true except-
- AE. coli is an aerobe and facultative anaerobes
- BProteus forms uric acid stones✓ Correct answer
- CE. coli is motile by peritrichate flagella
- DProteus causes deamination of phenylalanine to phenylpyruvic acid.
Q9.Which of the following property(ies) is/are seen in the members of family Enterobacteriaceae?
- AThey are catalase-positive
- BThey are oxidase-negative
- CThey ferment glucose
- DAll are true✓ Correct answer
Q10.Toxin acting on cGMP -
- AHeat stable E. coli toxin✓ Correct answer
- BHeat labile E. coli toxin
- CCholera toxin
- DShiga toxin
Answer key
Q1: A. E. coli 0157; Q2: C. Sorbitol MacConkey agar; Q3: C. EAEC; Q4: A. E. coli; Q5: A. H. pylori; Q6: A. E. coli; Q7: A. Sorbitol containing agar; Q8: B. Proteus forms uric acid stones; Q9: D. All are true; Q10: A. Heat stable E. coli toxin.
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