DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, DECEMBER 2017.
BIOPHYSICS AND BIOSTATISTICS
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Describe the structure and properties of atoms.
2. Explain the importance of Gieger Muller counter.
3. State and explain the Beer Lambert's law.
4. Describe the working principle of Thin layer
chromatography.
5. Write a short note on the following:
Free energy
Electrophoresis
Mode
Correlation.
6. Explain the methods of presenting data by frequency
polygon and piediagram.
7. What are variables? Explain its types.
8. Explain the importance of student test.
Sub. Code
15
DE-3057
2
Ws2
SECTION B — x 15 60 marks)
Answer any FOUR of the following.
All questions carry equal marks.
9. State and explain the laws of thermodynamics.
10. Write an account on the effect of radiations on
macromolecules.
11. Explain the types of blotting techniques.
12. Describe the different types of bonds in biomolecules.
13. 'Radio isotopes as tracers' Discuss.
14. Explain the methods of collecting primary and secondary
data.
15. In a mendelian experiment on breeding, four types of
plants are expected to occur in the proportion of
The observed frequencies are 891 round and yellow; 316
wrinkled and yellow; 290 round and green and 119
wrinkled and green. Find the chi square and examine the
correspondence between the theory and the experiment.
(Tabulated chi square value is 7.80 for 3 degrees of
freedom at level).
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