List of top Microbiology Questions asked in NEET (PG)

A 25-year-old sewage worker presents with fever lasting a week, followed by sudden weakness. He has scleral congestion, jaundice, and oliguria. Lab findings show raised bilirubin. What is the most likely diagnosis?

A man from an endemic region has developed progressive leg swelling. Peripheral smear reveals a parasitic organism. Which pathophysiologic mechanism is most likely responsible?

A case of recurrent Neisseria gonorrhoeae infection is being evaluated. Which immunological investigation would best detect a complement pathway defect?

A case of brain abscess reveals Gram-positive, branching, filamentous organisms on microscopy. The organism is weakly acid-fast and grows on paraffin bait media. Which is the most likely etiologic agent?

A patient presents with chronic cough, weight loss, and intermittent low-grade fever. Fungal culture from respiratory samples shows a yeast with narrow-based budding. Which of the following is the most probable diagnosis?

A 5-year-old child presents with intense perianal itching, predominantly during nighttime. Microscopic examination reveals an egg. Which organism is most likely responsible for the condition?

A man presents with hemoptysis, fever, and breathlessness. Microscopic analysis of bronchoalveolar lavage reveals septate hyphae with acute angle branching. Which fungal infection is most likely?

Several residents in a village develop watery followed by bloody diarrhea after consuming unpasteurized milk. Stool microscopy reveals Gram-negative curved bacilli with polymorphonuclear leukocytes. Identify the most likely pathogen.

Which structural component of Group A Streptococcus enables its attachment to pharyngeal epithelium by binding to fibronectin?

A farmer presents with a necrotic ulcerative skin lesion. Microscopy using polychrome methylene blue stain reveals capsulated bacilli showing a positive McFadyean reaction. What is the most likely causative organism?

A patient presents with irregular swelling over the foot, multiple discharging sinuses, and black granules. A KOH mount is performed on the discharge. What is the most likely observation?

A young adult presents with facial pain and painful vesicular lesions in the mouth. Tzanck smear reveals multinucleated giant cells with intranuclear inclusions. What is the most likely causative organism?

To diagnose a syndromic illness like meningitis, which PCR technique is most appropriate?

A group of people had pastries late at night followed by bouts of vomiting early in the morning. What could be the cause?

A male presented with urethral discharge as shown in figure. What can be the cause?

A pregnant woman whose niece contracted varicella in the same house was negative for serum antibodies of varicella. What would this mean?

A child presented with bluish white spots in the mouth followed by a rash. What is the genome of probable diagnosis?

What is the vector for a parasite which has kinetoplast in one of its morphological forms?

A child presented with bloody stools and abdominal pain. What enrichment medium should be used for the faeces sample?

A known case of AIDS with productive cough and fever was found to have consolidation in the right infrascapular area. X-Ray chest showed right lower lobe consolidation with CD4 count of 55 per microlitre. What is the most common cause of this?

Swab is discarded in which color bin?

A female engineer works for 12-14 hours a day and gives a history of consuming only fast food. There are no vegetables or fruits in his diet. Her Hb count is 9 gm/dl MCV 120 fl. On examination, PS shows macrocytes. What will be the diagnosis?

A patient was suspected of having brucellosis. Serum sample was sent for a standard agglutination test. It came negative initially but after dilution of the serum sample, the test was positive. What could be the reason for the initial negative test?

Blood spill management