Tamil Nadu Dr MGR Medical University 2009 B.Sc MLT Basic Chemistry,,est . - Question Paper
This beneath ques. paper is related to first Year Basic Chemistry of B.Sc Medical Laboratory Technology.
August - 2009
[KV 872] Sub. Code: 5002
B.Sc. (Medical Laboratory Technology) DEGREE EXAMINATION
FIRST YEAR Paper II - BASIC CHEMISTRY
Q.P. Code: 725002
Time : Three hours Maximum : 100 marks
Answer All questions.
I. Essays: (2X15=30)
1. What is an indicator? Explain its functionfgiving two examples. Why does the colour depend upon PH? What indicator should be used in i) Titration of H2S04 with Na2Co3 and ii) Acetic acid with NaOH. (2+3+5+5)
2. What are nucleic acids? Discuss the structure of DNA. What is meant by replications of DNA? (5+5+5)
II. Write Short Notes on : (10X 5=50)
1. Buffer solution.
2. Mutarotation of glucose.
3. Biological importance of carbohydrates.
4. Classification of proteins.
5. Two colour reactions of cholesterol.
6. N-terminal analysis of proteins.
7. a - helix structure of protein.
8. Any one coenzyme and its functions.
9. Specificity of enzymes.
10. Mode of action of enzymes.
III. Short Answer Questions: (10X2 = 20)
1. Define Lewis concept of acids and bases.
2. What are intracellular materials present in the animal cell?
3. What is golgi apparatus? Mentions two functions.
4. What is mitochondrion?
5. What are the classifications of carbohydrates?
6. What is meant by racemic modification?
7. Write any four types of lipids.
8. What is the sugar residue present in RNA?
9. How can you distinguish ketohexoses for aldohexoses?
10. What is the use of Ninhydrin test?
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