LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ZOOLOGY
THIRD SEMESTER – APRIL 2006
ZO 3500 - PHYSIOLOGY
(Also equivalent to ZOO 504)
Date & Time : 18-04-2006/AFTERNOON Dept. No.
Part A
(Answer All)
Max. : 100 Marks
10 X 2 = 20
1. Enlist the functions of liver.
2. What is peristalysis?
3. Comment on steroids.
4. What is reflex action?
5. Differentiate rickets from osteomalacia.
6. What is anoxia?
7. Comment on blood plasma.
8. What are osmoconformers?
9. What is positive water balance?
10. Mention the endocrine functions in the pancreas.
Part B
(Answer any four)
4 X 10 = 40
11. Explain the various functions of the blood.
12. Enlist the respiratory pigments and write an account of the same.
13. Write notes on urine formation and its elimination in mammals.
14. Classify the proteins based on its nature.
15. Explain the mechanisms of osmoregulation the marine animals.
16. Write down the various functions of gut.
Part C
(Answer any two)
2 X 20 = 40
17. Give an account of the different types of excretory organs and nitrogenous
products.
18. Discuss food as a source of energy to animals.
19. Define respiration. Discuss the various respiratory organs and their functions.
20. Describe the muscle proteins and energetics of muscle contraction.
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