List of top Questions asked in NEET (PG)- 2025

Which of the following is not carried by the structure marked “A” in the image?

A child presents with gum bleeding, perifollicular hemorrhages, petechiae, and recurrent fractures. Which enzyme deficiency is most likely?

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 patient develops skin cancer and worsening hyperpigmentation following sun exposure. Which DNA repair pathway is most likely impaired?

A man survives 5 days without food. What is the brain's primary energy source during this prolonged fasting period?

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.

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?

In Hurler syndrome, which glycosaminoglycans accumulate and cause organ enlargement?

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

A patient with vitamin B12 deficiency presents with anemia, positive Romberg sign, and elevated homocysteine. Which amino acid is most likely deficient?

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?

A patient has high phenylalanine levels despite normal phenylalanine hydroxylase. Which cofactor deficiency is most likely responsible?

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 10-year-old patient has high total cholesterol, tendon xanthomas, and a family history of similar findings. Triglyceride levels are normal. What type of familial dyslipidemia is most likely?

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 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 frameshift mutation from nucleotide insertion at position 4 of a 900-base mRNA is observed. What is the likely outcome?

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

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?

A patient with orange-colored tonsils has a triglyceride level of 140 mg/dL and very low HDL cholesterol, 5 mg/dL. What is the most probable diagnosis?

A patient with history of hypertension presents with renal stones. He was started on hydrochlorothiazide. Which statement is true regarding the choice of drug?

Which of the following, if given in large volumes, can lead to hyperchloremic metabolic acidosis?

A 58-year-old patient has prolonged PT and factor IX deficiency. Parenteral vitamin K is planned. In which condition will this help?