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Name of the University : Alagappa University
Degree : B.SC
Department : Chemistry
Subject Code/Name : Nutritional Biochemistry
Year : II
Semester : IV
Document Type : Model Question Papers
Website : alagappauniversity.ac.in

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/alagappauniversity.ac.in/3861-BSC_BIOCHEMISTRY.pdf

Nutritional Biochemistry :

Duration : 3 Hours
Maximum : 75 Marks
Part – A (10 × 2 = 20) :

Related : Alagappa University Organic, Inorganic And Physical Chemistry-I B.Sc Model Question Papers : www.pdfquestion.in/3964.html

Answer All Questions.
1. What are energy yielding foods – Give examples.
2. What are the essential Nutrients –
3. Define : SDA of Food.
4. What are the B12 rich food sources –
5. Write any two functions of Fats –
6. Name two coenzymic form of Vitamins.
7. What is PEM –
8. Explain Nitrogen balance.
9. Describe the deficiency symptoms of Vitamin E.
10. How the different food materials can be stored –

Part – B : (5 × 5 = 25)
Answer All Questions.
11 a. Explain the basic seven food group. (Or)
9b. Brief out the functions of sugars in foods.
12 a. Define the units of energy and give the inter conversions. (Or)
9b. What is respiratory quotient ? How does it different for nutrients ?
13 a. Explain the functions of carbohydrates. (Or)
9b. What is the importance of Vitamin-D ?
14 a. Mention the nutritional requirements of adolescent girls. (Or)
9b. Classify anaemia.
15 a. Write about Novel proteins. (Or)
9b. What are the symptoms of the terms hyper and hypo calcaemia ?

Part – C : (3 × 10 = 30)
Answer any Three Questions.
16. What is Basic Five ? Explain the food and nutrients in this group. Give the advantages.
17. Define BMR. How is BMR measured ? What are the factors affecting BMR ?
18. Elaborate on the sources, functions and deficiencies of Vitamin-C.
19. Explain PEM.
20. Explain the effects and symptoms of deficiency of iron.

B.Sc. Degree Examination, April 2010 :
Enzymology : (CBCS—2008 Onwards)
Duration : 3 Hours
Maximum : 75 Marks
Part – A (10 × 2 = 20)
Answer ALL the Questions
1. What are isoenzymes?
2. Define Holoenzyme.
3. What is orientation effect?
4. Structure of FAD.
5. Write the significance of Km.
6. Write the zero order reaction.
7. Define Marker enzymes.
8. What are the steps involved in the enzyme purification?
9. How the proteases are used in food industry ?
10. How the glucose syrup produced from sucrose ?

Part-B : (5 x 5 = 25)
Answer ALL Questions
11. a. Write a note on specificity of enzymes. (Or)
b. Explain the assay of enzymes.
12. a. Write the structure and functions of NAD. (Or)
b. Explain the mechanism and action of Lysozyme.
13. a. What are the factors that affect the enzyme activity? (Or)
b. Derive M. M. equation.
14. a. Write note on criteria of purity of enzymes. (Or)
b. How will you purify the enzymes with the help of gel electrophoresis ?
15. a. Write the use of glucose oxidase in enzyme electrodes. (Or)
b. List out the applications of enzymes in detergent and leather industry.

Part-C : (3 x 10 = 30)
Answer any THREE Questions
16. Explain in detail about the enzyme classification.
17. Explain the mechanism of action of chymotrypsin.
18. Give a detailed account on Inhibition.
19. Describe briefly about enzyme purification.
20. Explain Immobilization technique.

B.Sc. Degree Examination, April 2010 :
Analytical Biochemistry : (CBCS—2008 Onwards)
Duration : 3 Hours
Maximum : 75 Marks
Part – A (10 × 2 = 20)
Answer ALL Questions
1. What is rpm ?
2. Define centrifugal force.
3. What is HPLC ?
4. Define Rf value.
5. What is isotachophoresis ?
6. What is Zwitter ions ?
7. Differentiate colorimeter and spectrophotometer.
8. Write Beer – Lambert’s law.
9. What is an isotope?
10. What is Carbon dating?

Part-B : (5 × 5 = 25)
Answer ALL Questions
11. a. Write the applications of preparative and analytical centrifuges. (Or)
b. Write the principle and advantages of Density gradient centrifugation.
12. a. What type of chromatography is used for the separation of lipids? Explain. (Or)
b. Write the principles of affinity and ion exchange chromatography.
13. a. Give an account on immuno diffusion electrophoresis. (Or)
b. Write the principle and applications of Southern Blotting techniques.
14. a. Explain the functions and applications of ESR. (Or)
b. Write the principle and applications of NMR.
15. a. What are the isotopes very commonly used for biological studies? Explain. (Or)
b. Describe the techniques used to measure the radioactivity.

Part – C : (3 × 10 = 30)
Answer any THREE Questions
16. What are the safety measures to be remembered while operating the analytical ultracentrifuge ? Explain.
17. Give an account on HPLC.
18. Write the principle and applications of (AGE) Agarose gel electrophoresis.
19. Describe the principle and applications of Mass spectroscopy.
20. What is autoradiography? Explain the principle and applications.