LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

             B.Sc. DEGREE EXAMINATION – ADVANCED ZOOLOGY & BIOTECH.

DE 6

THIRD SEMESTER – APRIL 2008

AZ 3500 / ZO 3500 – ANIMAL PHYSIOLOGY

 

 

 

Date : 26/04/2008                Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

PART – A

Answer all the questions                                                                 10 x 2 = 20 marks

 

1. What is Gluconeogenesis?
2. Comment on chloride shift.
3. Write about leucopenia.
4. Mention any two hormones that regulate renal function.
5. Define euryhaline organisms.
6. What are homeotherms?
7. State Vant Hoff’s law.
8. Describe action potential.
9. Illustrate negative feed mechanism with an example.
10. Comment on progesterone.

 

PART – B

Answer any FOUR questions                                              4 x 10 = 40 marks

 

1. Explain the sequential reactions of Emden-Mayerhof pathway.
2. Describe Herring – Breuer reflex mechanism.
3. Write about the origin and conduction of heart beat.
4. Describe the structure of a nephron with a neat diagram.
5. Comment on organ of Corti.
6. Describe the structure of adrenal gland and explain its hormones.

 

PART – C

Answer any TWO                                                                           2 x 20 = 40 marks

 

1. Explain indetail the various redox reactions that occur in Krebs cycle.  Add a brief note o the energetics.
2. Describe the process of osmo-iono regulation in estuarine organisms.
3. Write the various chemical changes that occur during muscle contraction.
4. Discuss the biochemical interaction between insulin and Glucagon in the homeostatic regulation of blood glucose.

 

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