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 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 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 patient develops skin cancer and worsening hyperpigmentation following sun exposure. Which DNA repair pathway is most likely impaired?
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?
To diagnose a syndromic illness like meningitis, which PCR technique is most appropriate?
Which of the following, if given in large volumes, can lead to hyperchloremic metabolic acidosis?
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 patient has high phenylalanine levels despite normal phenylalanine hydroxylase. Which cofactor deficiency is most likely responsible?
A frameshift mutation from nucleotide insertion at position 4 of a 900-base mRNA is observed. What is the likely outcome?
Which structural component of Group A Streptococcus enables its attachment to pharyngeal epithelium by binding to fibronectin?
A patient with history of hypertension presents with renal stones. He was started on hydrochlorothiazide. Which statement is true regarding the choice of drug?
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 patient on long-term hydrochlorothiazide develops neuropathy, heart failure, and symmetrical paresthesia. Which nutrient deficiency is most likely responsible?
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 58-year-old patient has prolonged PT and factor IX deficiency. Parenteral vitamin K is planned. In which condition will this help?
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 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 with vitamin B12 deficiency presents with anemia, positive Romberg sign, and elevated homocysteine. Which amino acid is most likely deficient?
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?
In Hurler syndrome, which glycosaminoglycans accumulate and cause organ enlargement?