LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – APRIL 2012

ZO 3810 – INTEGRATED PHYSIOLOGY

 

 

Date : 24-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A  

 

                               

  Answer ALL the questions:                                                                                  (10  X 2 =20 Marks)

 

1. Define diffusion coefficient.
2. What are halophiles? Mention their physiological significance.
3. What is cryptobiasis? Mention its importance.
4. Distinguish exogenous and endogenous rhythms.
5. Comment on Aschoffs rule.
6. Mention any four causes for endocrine disorders.
7. Differentiate neuromodulators and neurotransmitters.
8. State “All or none law” in terms of caridiac muscles.
9. Mention any two applications of bioluminescence.
10. Expand TMOA and GABA.

 

 

PART-B

 

Answer any FOUR questions:                                                                                (4 X 10 =40 Marks)

 

11. Examine the neurohaemal and neurosecretory physiology of insects.
12. Highlight the effects of toxins on human physiology.
13. Outline the scope of chronobiology in terms of biological rhythm.
14. Explain the laws of classical conditioning.
15. “Kidney is an important organ of human body” – JUSTIFY.
16. How do you estimate BMR?

 

PART-C

 

Answer any TWO questions:                                                                                   (2 X 20= 40 Marks)

 

                                                                      

17. Elucidate homeostasis in human in terms of positive and negative feed back,

temperature regulation and osmoregulation.

18. Examine the electroneurophysiology of vision.
19. Illustrate the contractile machinery of a skeletal muscle and highlight the biochemical

changes during muscle contraction.

20. Discuss the impacts of climatic factors on human physiology.

 

 

 

Go To Main page

 

 

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – NOVEMBER 2012

ZO 3810 – INTEGRATED PHYSIOLOGY

 

 

Date : 03/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

SECTION – A

Answer ALL questions:                                                                                                                (10×2= 20)

 

1. What are halophiles ? Cite two examples.
2. Define diffusion coefficient.
3. Distinguish positive and negative feed back mechanisms.
4. State the cognitive function of cerebellum.
5. Comment on Henry’s law.
6. Mention any four applications of bioluminescence .
7. Reveal the structure of aldosterone
8. Compare upregulation and down regulation with a classical example
9. Comment on Aschoff’s rule
10. Expand: a) SCN     b)  JGA

 

SECTION – B

Answer any FOUR questions:                                                                                                      (4×10= 40)

 

11. Enlist the effects of any ten toxins on human physiology in the form of table.
12. Illutrate the location and functions of all the cranial nerves of human.
13. Highlight the mode of action of any ten gastro intestinal hormones.
14. How do you estimate BMR ?
15. Outline electroneuro physiology of vision in the light of phototransduction.
16. How do you relate circadian rhythm with hypothalamic function.

 

SECTION – C

Answer any TWO questions:                                                                                                        (2×20= 40)

 

17. Compare the physiology of skeletal muscles and cardiac muscles.
18. Discuss the impact of abiotic factors on the integrated physiology.
19. Explain neuronal and hormonal homeostasis in terms of hypothalamic

control, cascade effect and target cell interaction.

20. Elucidate the mechanism of exchange of oxygen and carbondioxide in view of

dissociation curves .

 

 

Go To Main page