List of top Biochemistry Questions

Screening is not useful in which carcinoma

A 23-year-old male presented with a history of fatigue and tiredness. On investigation, he was found to have Hb values of 9gm%, MCV of 101 FL. peripheral smear examination showed microcytic RBC and hypersegmented neutrophils. Which is most probable etiology ?

Which of the following anticancer drugs are competitive inhibitors of tyrosine kinase ?

What is the main feature of chemotaxis as observed in white blood cells ?

Loss of foot process is classical in case of ?

Which of the following is true about PAN ?

Which of the following factors play a major role in the initiation of thrombus formation ?

A 33-year-old man presents with a 5-week history of calf pain, swelling, and lowgrade fever. Serum levels of creatinine kinase are elevated. A muscle biopsy reveals numerous eosinophils also she had peripheral blood eosinophilia. Which of the following interleukins is primarily responsible for the increase in eosinophils in this patient?

A 30-year-old male came with complaints of swelling around the knee joint. Histopathological examination of the swelling demonstrated many giant cells interspersed with mononuclear cells. What is the probable diagnosis ?

According to NCEP-ATP III, which among the following have not been included in metabolic syndrome ?

30 years old came with complaints of easy fatigability, exertional dyspnea, and weight loss. She also complains of frequent falls. Physical examination revealed there was a bilateral decrease in vibration sense. Her hemoglobin levels were 8.2g%. She was treated with folate. Her anemia improved but neurological symptoms worsened. Which of the following is the most probable reason for her condition ?

A 30-year-old woman presents with thyroid swelling. On investigations, her TSH levels are found to be elevated. Postoperative reports showed lymphocytic infiltration and hurthle cells. A most probable diagnosis is ?

Which of the following will be seen on cardiac biopsy of a patient who had a post MI reperfusion injury?

Which of the following is the basis for the intestine-specific expression of apoprotein B-48 ?

A 45-year-old man who is a chronic smoker came to the clinic with a complaint of cough. The physician examines the patient and takes a biopsy, the picture in the biopsy was as the description below. Which of the following cellular changes has happened to this patient ?

True About Noncompetitive antagonist :

Which of the following dietary fiber is insoluble in water ?

V-Richest source of vitamin \(B_{12}\) ?

Werner syndrome associated with premature aging is caused due to a defect in which of the following ?

Addition of which Amino Acid will increase UV absorption

Which amino acid is used to synthesize Nitric oxide ?

The electron transport chain is a series of redox reactions that result in ATP synthesis. Which of the following is a cytochrome complex IV inhibitor?

A child presents to you with anemia, thrombocytopenia, and bony pain. On examination, hepatosplenomegaly was noticed. If light microscopy of bone marrow aspirate reveals “crumpled tissue paper” appearance, what is the enzyme defect?

Which of the following enzyme activities can be estimated in red blood cells to diagnose vitamin B2 deficiency?

The following is due to the deficiency of?