List of top Microbiology Questions asked in NEET (PG)

A lady from West Rajasthan presented with an ulcer surrounded by erythema on the right leg. Microscopy of the biopsy from the edge of the ulcer showed organisms with dark staining nuclei and kinetoplast. What is the most likely causative agent?

Which of the following statements is true about Trichomonas vaginalis?

A patient with cervical lymphadenopathy and is found to be retropositive. A fungal culture depicts a velvety growth with red diffusible pigment on the underside, as shown below. Which is the most likely causative organism?

A woman with recurrent diarrhea is prescribed a broad-spectrum antibiotic. Which of the following is not true regarding Clostridium difficile infection?

A diabetic truck driver presents to you with cough and breathlessness. A diagnosis of pneumonia was confirmed, and histopathological examination revealed dichotomous branching, as shown below. What is the likely causative agent?

Which of the following is considered to be the best for the detection of Clostridium difficile?

A newly joined teacher develops rice water stools. The causative agent acts on which of the following receptors?

A 12-year-old boy presents with right upper quadrant pain, calf pain, conjunctival suffusion, icterus, and fever. Examination shows tender hepatomegaly. What is the most likely diagnosis?

A female patient presents with complaints of thick white vaginal secretions. Which of the following can be used to identify the likely species of the causative agent?

A patient presents with itching in the axilla. On microscopic examination of the skin scrapings, a red pigment-producing fungus with pencil – shaped macroconidia is seen. Which of the following is the most likely organism?

A militant presents with rashes all over his body sparing the palms and soles. On examination, he was febrile and lice were noted. Which of the following is responsible for his condition?

A photographer who recently returned from Africa presents to the emergency department with abdominal pain, hepatomegaly, and hemorrhagic manifestations. He died despite treatment, and an autopsy revealed intranuclear Torres bodies in the liver. Which of the following vaccines with which strain could have prevented it?

A child admitted with fever, rash begins behind ears, conjunctivitis, coryza, cough and koplik spot. Based on the clinical manifestations, choose the correct description of the pathogen?

Name the parasite whose microfilariae have a sheath with no nuclei at the tail end.

History of Pastry intake causing food poisoning. What is the causative agent

A patient presented with 70% burns. A test was done on a sample collected from the burnt site as shown in the picture in suspicion of the probable causative organism which is an obligate aerobe. What's the microbe?

A truck driver presented with a painless, demarcated ulcer on penis with inguinal lymphadenopathy. What is the best method of visualization of motility of the probable causative agent?

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 9gm/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?

A patient who was on steroids presented with nocturnal cough and chronic urticaria. BAL stain was done. Identify the organism.

Blood spill management

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

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