LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ADVANCED ZOOLOGY & BIOTECH.
FIFTH SEMESTER – November 2008
AZ 5402 - BIOSTATISTICS & BIOPHYSICS
Date : 14-11-08
Time : 9:00 - 12:00
Dept. No.
GA 11
Max. : 100 Marks
PART-A
Answer ALL the questions
(10 x 2 = 20 Marks)
1. What are ranked and derived variables?
2. Give any two biological uses of ultrasound.
3. Define Donnan’s equilibrium.
4. Differentiate simple bar diagram from multiple bar diagram.
5. Explain Fick’s law.
6. What are centripetal and centrifugal forces?
7. State the law of statistical regularity.
8. What are infinite and finite population?
9. Write down the formula for standard deviation.
10. Explain pictogram and cartogram.
PART-B
Answer any FOUR
(4 x 10=40 Marks)
11. Give an account of x^2 test.
12. Write a paragraph on immunoelectrophoresis.
13. Write notes on frequency polygon.
14. Explain Geiger Muller counter.
15. What are radioactive isotopes? Explain.
16. Define the following:
(a)Mean (b)Median (c)Standard deviation and (d)Standard error.
PART-C
Answer any TWO
(2 x 20=40 Marks)
17. Explain in detail the physical laws in living system.
18. Write an essay on statistical population and sampling in biological studies.
19. Give an account of the different ways of classification of data with suitable examples.
20. (a)What is zero mobility?
(b)Explain in detail PAGE highlighting its applications.
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