Vibrio and Campylobacterales
- Previous year questions on Vibrio and Campylobacterales 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.
- 16 live questions in Vibrio and Campylobacterales.
- 1 of 16 questions carries a verified exam year: 2018.
- Microbiology is worth about 20 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 5 Sept 2026.
Q1.red leg disease is caused by ?
- Aaeromonas✓ Correct answer
- Bpseudomonas
- Chistoplasmosis
- Dshigella hemolyticus
Q2.An individual experiences diarrhoea after eating raw shellfish. What is the most probable cause of the problem?
- ACampylobacter jejuni
- BSalmonella choleraesuis
- CShigella dysenteriae
- DVibrio parahaemolyticus✓ Correct answer
Q3.Mark the false statement regarding gullwing shaped bacteria
- AAssociated with contaminated poultry bird products
- BMicroaerophilic at 37 degree C✓ Correct answer
- CCauses inflammatory diarrhoea
- DIn children it causes Guillain barre syndrome
Q4.Cholera toxin irreversibly stimulates the cAMP-dependent pump in intestinal cells resulting in
- ACl- rich watery diarrhea✓ Correct answer
- BK+ rich watery diarrhea
- CNa+ rich watery diarrhea
- DCa+ rich watery diarrhea
Q5.Which of the following statements is true of cholera enterotoxin?
- AAppears to produce its effect by stimulating adenyl cyclase activity in mucosal cells✓ Correct answer
- BCauses destruction of the intestinal mucosa allowing for invasive infection
- CCauses a net efflux of ions and water from tissue into the lumen of the large intestine
- DIs a protein with a molecular weight of about 284,000
Q6.Which of the following is a Microaerophilic bacteria?
- ACampylobacter✓ Correct answer
- BVibrio Cholera
- CPseudomonas
- DBacteroides
Q7.El- tor and classic vibrio true is
- AElTor is more common✓ Correct answer
- BElTor is more severe
- CClassical is associated with more carriers
- DAll of the above
Q8.True about C. jejuni
- AGram-positive bacillus
- BSymptoms may initially mimic cholecystitis
- CMost often occurs several days after consumption of undercooked chicken.✓ Correct answer
- DPenicillin in drug of choice
Q9.True statement about H. pylori is
- AHelicobacter pylori are characterized by curved gram-positive bacilli, multiple polar flagella, microaerophilic, and urease activity
- BClinical manifestations include Type A gastritis
- CIt is transmitted fecal-oral route✓ Correct answer
- DThe most rapid test to detect H. pylori is the PCR
Q10.Which of the following is microaerophilic -
- ACampylobacter✓ Correct answer
- BVibrio
- CBacteroides
- DPseudomonas
Answer key
Q1: A. aeromonas; Q2: D. Vibrio parahaemolyticus; Q3: B. Microaerophilic at 37 degree C; Q4: A. Cl- rich watery diarrhea; Q5: A. Appears to produce its effect by stimulating adenyl cyclase activity in mucosal cells; Q6: A. Campylobacter; Q7: A. ElTor is more common; Q8: C. Most often occurs several days after consumption of undercooked chicken; Q9: C. It is transmitted fecal-oral route; Q10: A. Campylobacter.
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