Exam prep

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Paper pattern

A · answer 10 of 12 · 2 marks each · about 30 words20

B · answer 5 of 7 · 5 marks each · about 200 words25

C · answer 3 of 5 · 10 marks each · about 500 words30

External total75

Usual 75-mark UG pattern (10 × 2, 5 × 5, 3 × 10). Confirm against your own college's question paper.

Mock paper

Make a full practice paper in the same shape as the exam, picked from our question bank. Write your answers on paper, timed, then check them against the sheets.

Likely questions

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Section A · 2 marks · define or list

Define biochemistry.Unit I What are uncouplers? Give an example.Unit I What is a holoenzyme?Unit I Define Km.Unit I What are free radicals? Give two examples.Unit I Define reducing sugars. Give two examples.Unit II What is meant by the amphibolic nature of the TCA cycle?Unit II What is the Cori cycle?Unit II Mention any two functions of NADPH.Unit II What are high-energy compounds? Give two examples.Unit II What is a zwitterion?Unit III Define transamination. Name its coenzyme.Unit III What is S-adenosylmethionine (SAM)? Mention its function.Unit III What are conjugated proteins? Give two examples.Unit III Name the stop codons.Unit III Define essential fatty acids. Give two examples.Unit IV What are MUFA and PUFA? Give an example of each.Unit IV What is the role of carnitine in fatty acid oxidation?Unit IV Name the ketone bodies. Where are they formed?Unit IV Why is HDL called 'good cholesterol'?Unit IV Why can fatty acids not be converted into glucose?Unit V State Chargaff's rule.Unit V What is a codon? What is an anticodon?Unit V What are restriction endonucleases?Unit V Define nutrigenomics.Unit V

Section B · 5 marks · explain

Explain the relationship between biochemistry and nutrition.Unit I Write a short note on the chemiosmotic theory.Unit I Classify enzymes according to the IUB system with one example for each class.Unit I Explain the coenzyme role of any four B-complex vitamins.Unit I Classify carbohydrates with suitable examples.Unit II Explain the general reactions of monosaccharides.Unit II Calculate the energy yield from the complete oxidation of one molecule of glucose.Unit II Write short notes on G6PD deficiency.Unit II Explain the chemical properties of amino acids due to the amino and carboxyl groups.Unit III Write a short note on oxidative deamination.Unit III Write short notes on decarboxylation and transmethylation of amino acids.Unit III List the features of the genetic code.Unit III Classify fatty acids with suitable examples.Unit IV Write a short note on essential fatty acids.Unit IV Calculate the ATP yield from complete oxidation of one molecule of palmitic acid.Unit IV Write a note on ketosis and its causes.Unit IV Explain the role of insulin in carbohydrate, protein and fat metabolism.Unit V Write short notes on the types of RNA and their functions.Unit V Explain the Phase I and Phase II reactions of xenobiotic metabolism.Unit V Write a short note on nutrigenomics and nutrigenetics.Unit V

Section C · 10 marks · describe with diagram

Describe the electron transport chain with a neat labelled diagram.Unit I Discuss the factors affecting enzyme activity.Unit I What are free radicals? Explain their formation and the role of antioxidants in the prevention of degenerative disorders.Unit I Describe the steps of glycolysis with a neat diagram and give its energetics.Unit II Explain the citric acid cycle. Add a note on its significance.Unit II Discuss gluconeogenesis. Add a note on the Cori cycle.Unit II Describe the HMP shunt pathway and its significance.Unit II Describe the urea cycle with its regulation and significance.Unit III Classify proteins with suitable examples.Unit III Explain the process of protein biosynthesis.Unit III Classify amino acids based on side chain, nutritional requirement and metabolic fate.Unit III Describe the beta-oxidation of palmitic acid with its energetics.Unit IV Give an account of the biosynthesis of fatty acids.Unit IV Describe the formation and utilisation of ketone bodies. Add a note on ketosis.Unit IV Classify lipoproteins and explain the function of each.Unit IV Discuss the integration of carbohydrate, protein and lipid metabolism.Unit V Describe the hormonal regulation of carbohydrate, protein and fat metabolism.Unit V Describe the Watson-Crick model of DNA. Add a note on the differences between DNA and RNA.Unit V Explain the steps of recombinant DNA technology and its applications in nutrition and health.Unit V

Answer frames

How to lay out a long answer, with a write-up check. 32 frames so far.