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DNB IHBT solved question papers

1,325 Previous year DNB IHBT theory questions, from papers spanning 2016 to 2025, each with a written answer.

What is in this DNB IHBT question bank

Every question below was typed out of an actual DNB IHBT theory paper, tagged with its year, month, paper number and marks, so you can revise one paper at a time or one topic across every year. DNB and DrNB theory question papers set by the National Board of Examinations, 2011 to 2026.

Questions
1,325
Recent years
2016 to 2025
Papers
Paper 1, Paper 2, Paper 3, Paper 4

Sample questions from DNB IHBT papers

Five questions exactly as they appeared on the paper. 1,320 more, plus written answers, with a subscription.

  1. 2025 · December · Paper 1 · 10 marks

    Describe the structure and function of red cell membrane with a well labelled diagram. Explain the principles of underlying antigen-antibody interactions.

  2. 2025 · June · Paper 1 · 10 marks

    Describe factors affecting antigen-antibody reactions in red cell serology.

  3. 2025 · December · Paper 1 · 10 marks

    Explain the role of the ABO blood group system in paternity testing and forensic science. Discuss how blood group inheritance patterns are applied to determine biological relationships, and describe the limitations of using ABO typing compared to modern DNA-based techniques.

  4. 2025 · June · Paper 1 · 4+3+3 marks

    Discuss the pathology of hyperfibrinolysis, laboratory assessment and management.

  5. 2025 · June · Paper 1 · 5+5 marks

    Describe expression of various antigens on platelets and their clinical significance.

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Common questions

How many DNB IHBT previous year questions are available?
1,325 DNB IHBT theory questions, from papers spanning 2016 to 2025.
Which years of DNB IHBT question papers are covered?
Recent papers on the site cover 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016.
Do the DNB IHBT questions come with answers?
Yes. Every question has a written long-form answer, a table answer and a mind map, available after sign-in. The sample questions on this page are shown without answers.

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