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TNMGRMU Biochemistry Question Papers (2025-2021)

Four years of Tamil Nadu Dr. M.G.R. Medical University (TNMGRMU) Biochemistry question papers, available to view online or download via the GeckoMed app. Papers from 2025, 2024, 2023, 2022, and 2021 are included, with topic-wise analysis and most-repeated question highlights available in the app.

Sourced from the TNMGRMU official exam archive | Phase 1 / 1st Year MBBS | Updated 2026
Open Free in the GeckoMed App]

TNMGRMU Biochemistry Question Papers: All Available Years

Papers below cover all confirmed years for the TNMGRMU Phase 1 / 1st Year Biochemistry theory paper.

2025

Field

University

Detail

Tamil Nadu Dr. M.G.R. Medical University (TNMGRMU)

Field

Subject

Detail

Biochemistry

Field

Year

Detail

2025

Field

Phase

Detail

Phase 1 / 1st Year MBBS

Field

Total Marks

Detail

100

Field

Duration

Detail

3 hours

Field

Paper Type

Detail

Theory

2024

Field

University

Detail

Tamil Nadu Dr. M.G.R. Medical University (TNMGRMU)

Field

Subject

Detail

Biochemistry

Field

Year

Detail

2024

Field

Phase

Detail

Phase 1 / 1st Year MBBS

Field

Total Marks

Detail

100

Field

Duration

Detail

3 hours

Field

Paper Type

Detail

Theory

2023

Field

University

Detail

Tamil Nadu Dr. M.G.R. Medical University (TNMGRMU)

Field

Subject

Detail

Biochemistry

Field

Year

Detail

2023

Field

Phase

Detail

Phase 1 / 1st Year MBBS

Field

Total Marks

Detail

100

Field

Duration

Detail

3 hours

Field

Paper Type

Detail

Theory

2022

Field

University

Detail

Tamil Nadu Dr. M.G.R. Medical University (TNMGRMU)

Field

Subject

Detail

Biochemistry

Field

Year

Detail

2023

Field

Phase

Detail

Phase 1 / 1st Year MBBS

Field

Total Marks

Detail

100

Field

Duration

Detail

3 hours

Field

Paper Type

Detail

Theory

2021

Field

University

Detail

Tamil Nadu Dr. M.G.R. Medical University (TNMGRMU)

Field

Subject

Detail

Biochemistry

Field

Year

Detail

2021

Field

Phase

Detail

Phase 1 / 1st Year MBBS

Field

Total Marks

Detail

100

Field

Duration

Detail

3 hours

Field

Paper Type

Detail

Theory

TNMGRMU Biochemistry Exam Pattern

TNMGRMU Biochemistry theory papers follow the National Medical Commission (NMC) Competency-Based Medical Education (CBME) format. The paper covers metabolic pathways, molecular biology, clinical biochemistry, vitamins, and enzymes across long and short answer formats.

Component

Total Marks

Detail

100 (theory paper)

Component

Duration

Detail

3 hours

Component

Question Types

Detail

Long Answer Questions (LAQs) and Short Answer Questions (SAQs)

Component

Curriculum

Detail

NMC CBME

Component

Subject Coverage

Detail

Carbohydrate, Lipid and Protein Metabolism, Enzymes, Vitamins, Molecular Biology, Clinical Biochemistry

Component

Practical Assessment

Detail

Separate from the theory paper

Biochemistry under the NMC CBME curriculum increasingly connects metabolic pathways to clinical conditions. A question on glycolysis may ask you to explain the step blocked in a specific enzyme deficiency. A lipid metabolism LAQ may require you to link fatty acid oxidation to ketoacidosis. An enzyme question will almost always ask for clinical applications alongside the mechanism.

When practising TNMGRMU Biochemistry papers, do not treat pathways in isolation. Understand which disorders arise from which enzymatic blocks, and be ready to write both the normal mechanism and the clinical consequence in the same answer.


Most-Repeated Topics in TNMGRMU Biochemistry Papers

Based on analysis of TNMGRMU Biochemistry papers from 2021 to 2025. For year-by-year question-level data, open the GeckoMed app.

Topic Area

Glycolysis -- steps, enzymes, energy yield, regulation

Priority

High

Study Resource

Biochemistry Notes

Topic Area

TCA (Krebs) cycle -- reactions, regulation, clinical significance

Priority

High

Study Resource

Krebs Cycle Diagram

Topic Area

Beta-oxidation of fatty acids -- steps, energy yield

Priority

High

Study Resource

Biochemistry Notes

Topic Area

Urea cycle -- steps, enzymes, disorders (hyperammonaemia)

Priority

High

Study Resource

Biochemistry Notes

Topic Area

Enzyme kinetics -- Michaelis-Menten, Km, Vmax, inhibition types

Priority

High

Study Resource

Biochemistry Notes

Topic Area

Isoenzymes -- LDH, CK, AST, ALT; clinical use in diagnosis

Priority

High

Study Resource

Biochemistry Viva

Topic Area

Cholesterol -- synthesis, transport, lipoproteins (HDL, LDL, VLDL)

Priority

High

Study Resource

Biochemistry Notes

Topic Area

Gluconeogenesis -- substrates, steps, regulation, clinical significance

Priority

Regular

Study Resource

Biochemistry Notes

Topic Area

Ketone body formation and utilisation -- diabetic ketoacidosis

Priority

Regular

Study Resource

Biochemistry Notes

Topic Area

DNA structure and replication -- Watson-Crick model, semi-conservative replication

Priority

Regular

Study Resource

Biochemistry Notes

Topic Area

Transcription and translation -- central dogma, genetic code

Priority

Regular

Study Resource

Biochemistry Notes

Topic Area

Iron metabolism -- absorption, transport, ferritin, transferrin, deficiency

Priority

Regular

Study Resource

Biochemistry Notes

Topic Area

Fat-soluble vitamins -- A, D, E, K; sources, functions, deficiency diseases

Priority

Regular

Study Resource

Biochemistry Notes

Topic Area

Water-soluble vitamins -- B complex and C; deficiency diseases

Priority

Periodic

Study Resource

Biochemistry Notes

Topic Area

HMP shunt -- significance, disorders (G6PD deficiency)

Priority

Periodic

Study Resource

Biochemistry Notes

Topic Area

Liver function tests -- bilirubin, albumin, transaminases, clinical interpretation

Priority

Periodic

High = appears consistently across multiple years in the archive. Regular = appears in most but not all years analysed. Periodic = appears in some years; covers enough marks to be worth revising.

These categories reflect broad pattern trends, not verified per-paper counts. Cross-check against each year's paper in the GeckoMed app before finalising your revision list.


How to Study TNMGRMU Biochemistry Papers Effectively

  • Draw every pathway before writing about it. Biochemistry LAQs are pathway questions. Before writing a single word of your answer, sketch the pathway with enzymes, cofactors, and regulatory steps. A labelled diagram in the answer earns marks on its own and also structures the rest of your response. Practise drawing glycolysis, the TCA cycle, beta-oxidation, and the urea cycle from memory until they take under three minutes each.
  • Learn disorders alongside each pathway. Every major pathway has at least one associated disorder that TNMGRMU questions target. Glycolysis connects to haemolytic anaemia (pyruvate kinase deficiency). The urea cycle connects to hyperammonaemia. Beta-oxidation connects to ketoacidosis. Knowing the clinical connection makes both the mechanism question and the SAQ on the disorder answerable from the same block of revision.
  • Treat enzymes as a standalone revision unit. Enzyme kinetics, inhibition types, isoenzymes, and allosteric regulation appear across multiple question types in TNMGRMU papers. Revise all enzyme concepts together rather than scattering them across individual pathway chapters. This unit also prepares you well for the clinical biochemistry SAQs on liver function and cardiac markers.
  • Work through all four years in sequence. Start from 2021 to map the foundational topics, then move forward. Metabolism pathways and molecular biology appear consistently across years, but the balance between LAQs and SAQs, and the specific clinical angles used, shifts across the 2023-2025 papers. Completing all four years gives you a clear view of both stable and evolving question patterns.
  • Pair written papers with practical viva prep. Biochemistry practical exams at TNMGRMU test skills such as urine analysis, blood glucose estimation, and protein qualitative tests. These same areas appear as SAQs in theory papers. Working through Biochemistry Practical Viva Questions alongside theory papers covers both assessments efficiently.
  • Memorise normal lab values for clinical biochemistry. Serum bilirubin, albumin, transaminase ranges, fasting blood glucose, and creatinine values appear in clinical biochemistry questions. Knowing the normal range is often the first step required in the answer before you can interpret an abnormal result.
  • Use cross-university papers once TNMGRMU papers are complete. If you need additional practice after working through all four TNMGRMU papers, try RGUHS Biochemistry Question Papers or KNRUHS Biochemistry Question Papers. Pathway questions have high overlap across universities because the NMC CBME syllabus is standardised nationally.

Frequently Asked Questions

How many years of TNMGRMU Biochemistry question papers are available on GeckoMed?

GeckoMed has TNMGRMU Biochemistry papers for 2025, 2024, 2023, 2022, and 2021. TNMGRMU is a Tier-1 university on GeckoMed, so all 14 MBBS subjects have four-year coverage.

Are TNMGRMU Biochemistry papers available with answers?

Yes. The paper is available to view or download via the GeckoMed app. Topic-wise answer guides and most-repeated question analysis are included alongside each paper in the app.

Does the TNMGRMU Biochemistry paper follow the NMC CBME format?

Yes. TNMGRMU Biochemistry theory papers are conducted under the NMC CBME curriculum. The paper covers carbohydrate, lipid, and protein metabolism, enzymes, vitamins, molecular biology, and clinical biochemistry through LAQs and SAQs.

Which topics repeat most often in TNMGRMU Biochemistry papers?

Based on analysis of papers from 2021 to 2025, glycolysis, the TCA cycle, beta-oxidation, the urea cycle, enzyme kinetics, isoenzymes, and cholesterol metabolism appear most consistently. Full topic-frequency data is available in the GeckoMed app.

Can I use other universities' Biochemistry papers to prepare for TNMGRMU?

Yes. Pathway and enzyme topics are standardised across universities under the NMC CBME curriculum, so cross-university practice is useful. Prioritise TNMGRMU papers for format and question style familiarity, then supplement with RGUHS or KNRUHS papers once you have worked through all four TNMGRMU years.

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