LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

DE 24

SECOND SEMESTER – APRIL 2008

ZO 2809 – BIOPHYSICS

 

 

 

Date : 22/04/2008            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART-A                              (answer all the questions)                   10X2=20marks

1. Define Isoelectric point.
2. Comment on isotopes and isobars.
3. What is refractive index?
4. What is Haemolysis?
5. What do you mean by Rf value.
6. What are alpha rays?
7. Define mass number.
8. Define enzymes. Give example
9. Distinguish TEM from SEM.
10. List any two biological effects of radiation.

 

PART-B                              (answer any four)                                   4X10=40marks                                                                   

1. Write notes on phase contrast Microscope.
2. Explain briefly NMR.
3. Write a short note on X-rays.
4. Explain circular paper chromatography.
5. Define and explain Donnan’s equilibrium.
6. Explain photoelectric effect.

 

PART-C                             (answer any two)                                      2X20=40marks

1. Explain in detail the laws of thermodynamics.
2. Write an essay on PAGE and elaborate their properties.
3. Define and explain in detail Gibb’s free energy.
4. Give an account on immunoelectrophoresis.

 

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