Name of the University : Alagappa University
Degree : B.Sc
Department : Chemistry
Subject Code/Name : Biomolecules
Semester : I
Document Type : Model Question Papers
Website : alagappauniversity.ac.in
Download Model/Sample Question Paper : APRIL 2011 :https://www.pdfquestion.in/uploads/alagappauniversity.ac.in/4032.-B.Sc.BIOCHEMISTRY.pdf
Alagappa University Biomolecules Question Paper
Time : 3 Hours
Maximum : 75 Marks
Part A :
Related : Alagappa University Intermediary Metabolism B.Sc Model Question Papers : www.pdfquestion.in/3958.html
1. What is optical isomerism –
2. Give the structure of Inulin.
3. What is pKa –
4. What are essential amino acids –
5. What is RM number –
6. What is rancidity of oil –
7. What is hyperchromic effect –
8. Define : Post-transcriptional processing.
9. Draw the basic structure of porphyrins.
10. What are metalloporphyrins – .
11. (a) Explain the reactions of functional groups of sugars.
12. (a) Explain the classification of amino acid based on its side chain.
13. (a) Write notes on phosphatidyl inositol.
14. (a) Explain the RNAs involved in replication.
15. (a) Explain the detection of porphyrin by floresence method.
16. Explain the structure and classification of monosaccharides.
17. Write note on de-naturation and re-naturation of proteins.
18. Explain the properties and functions of phospholipids.
19. Explain the classification and structure of RNA.
20. Explain the chemistry and physiological significance of bile pigments.
Enzymology
1. What is prosthetic group –
2. What are Oligomeric enzymes –
3. What is co-enzyme –
4. Give the structure of FMN.
5. Define : Inhibitor.
6. Define : Free energy.
7. What is salting out –
8. Give the names of ion-exchangers.
9. Define : Immobilized enzymes.
10. What is the use of protease in leather industry –
11. (a) Explain the significance of numbering the enzymes.
12. (a) Explain the mechanism of action of carboxypeptidase.
13. (a) Derive MM equation..
14. (a) Explain the use of affinity chromatography in enzyme purification.
15. (a) Explain the production of glucose from starch, cellulose and dextin.
16. Write note on multienzyme complexes.
17. Explain the mechanism of action of ribonuclease and lysozyme.
18. Write note on enzyme inhibition.
19. Explain the method of isolation and purification of enzymes.
20. Discuss about enzyme immobilization and their applications.
Analytical Biochemistry
1. Name the different types of rotors.
2. What is r.p.m. –
3. What is ligand –
4. Name any two gases used in GLC.
5. Why SDS used in PAGE –
6. Write any two important applications of Southern blotting.
7. Name any two radioactive substances.
8. Define Monochromatic light.
9. Name the unit used to measure the radioactivity.
10. What is 14C – Write any two applications.
11. (a) What is density gradient centrifugation – Explain.
12. (a) Describe the principles of TLC.
13. (a) Give an account on Isotachophoresis.
14. (a) Explain the principle and applications of Mass spectroscopy.
15. (a) Enumerate the types of radio isotopes used in Biology.
16. Explain the principle and biological applications of analytical ultra centrifuges.
17. Describe the principle and applications of HPLC.
18. Write the importance of electrophoresis in biological research.
19. Discuss on the principle and applications of UV-visible spectroscopy.
20. Explain in detail the following :
Intermediary Metabolism
1. Write the name of inhibitors of TCA cycle.
2. Name the two enzymes specific to glyoxalate cycle.
3. Define Respiratory chain.
4. Write short note on biological oxidation.
5. Draw the structure of homoserine.
6. List out any four glycogenic amino acids.
7. Make a note on ketone bodies.
8. Mention the inhibitors of urea cycle.
9. Which tissue carry out salvage pathway for purines –
10. Write short notes on adenine.
Part B : (5 × 5 = 25)
Answer all questions.
11. (a) How is glucose converted to UDP glucose ? Mention its importance. (Or)
(b) Describe in detail about the cori cycle in liver.
12. (a) Write a brief note on low energy phosphates. (Or)
(b) Explain substrate level phosphorylation with an example.
13. (a) Give an account on urea cycle. (Or)
(b) Discuss in detail about catabolism of proline.
14. (a) Discuss the metabolism of chylomicrons. (Or)
(b) Explain the pathway of oxidation.
15. (a) Explain the regulation of pyrimidine biosynthesis. (Or)
(b) Give the biosynthesis of guanosine.
Part C : (3 × 10 = 30)
Answer any three questions.
16. Elaborately discuss TCA cycle and its regulation.
17. Give an account of the enzymes of oxidation reduction reactions.
18. Explain the metabolism of Phenylalanine.
19. Discuss the formation of Steroid hormones from Cholesterol.
20. Enumerate the biosynthesis of IMP from its precursors.
Human Physiology
(CBCS—2008 onwards)
Time : 3 Hours
Maximum : 75 Marks
Part A (10 × 2 = 20)
Answer all questions.
1. Write the important functions of body buffers.
2. Write a short note on Hemoglobin.
3. Write the functions of Amylase.
4. Name any two digestive enzymes in detail.
5. Define ‘Micturition’.
6. What is ‘GFR’ ?
7. What is adenohypophysis ?
8. Define Paracrine.
9. What is chloride shift ?
10. What are the two different types of Nephron ?