M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Zoology
Core IV — ANIMAL PHYSIOLOGY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Haemostasis.
2. Neuroglia with its types.
3. Pepsinogen.
4. Hepatic cells.
5. Smooth muscle.
6. Poikilotherms.
7. Buoyancy.
8. Thyroxin.
9. Myxoedema.
10. STH.
Sub. Code
509104
RW-858
2
WSS
Part B x 5 25)
Answer all questions, choosing either or
All questions carry equal marks.
11. Give a brief account on mechanism of respiration.
Or
What are the function of blood plasma? Write
composition of blood.
12. Discuss about ECG with diagrammatic
representation.
Or
Give a writeup on elimination of nitrogenous wastes
with appropriate examples.
13. Write a short notes on neurons with diagrammatic
representations.
Or
Enumerate the different types of nerve cells.
14. Give an outline for thermoregulation.
Or
Differentiate hibernation and aestivation.
15. Enumerate the role of pituitary gland in general.
Or
Write a short note on mammalian reproductive
hormones and their principal actions.
RW-858
3
WSS
Part C x 10 30)
Answer any three questions.
Each questions carries equal marks.
16. Give a detailed account on various types, structure and
functions of cellular components of blood.
17. Elaborate the structure and function of nephron with
appropriate illustrations.
18. Write an essay on the origin and propagation of nerve
impulse.
19. Describe the circadian rhythm and explain how its
involve in routine cycles during the 24-hour day with
examples.
20. Distinguish between hypersomotic and hypo-osmotic with
reference to crustaceans and fish.
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