LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034         M.Sc. DEGREE EXAMINATION – ZOOLOGY

AF 20

THIRD SEMESTER – NOV 2006

                                                    ZO 3807 – INTEGRATED PHYSIOLOGY

 

 

Date & Time : 27-10-2006/9.00-12.00    Dept. No.                                                       Max. : 100 Marks

 

 

PART A

(Answer all )                                                                                                          10 x 2 = 20

1. What is Cardiac out put?
2. Differentiate Ammonotelic and uricotelic organisms
3. Why do we call hormones as a chemical messenger?
4. Define Biomagnification
5. What do you mean by Metallothionein?
6. Differentiate the major food stuffs.
7. What is Cutaneous respiration?
8. Define Micturition
9. What do you mean by balanced diet?
10. Define Biorhythms

PART B

(Answer any four)                                                                                                 4 x 10 = 40

1. Briefly describe the role of hypothalamus with diagrammatic representation
2. Give an account on morphological and structural architecture of Nephron
3. How does the food get absorbed through digestive tract?
4. Explain the process of Ageing in human beings
5. Explain the chemical changes and other physiological changes during muscle contraction
6. Explain the phenomena of homeostasis in physiological system

PART C

(Answer any two)                                                                                                2 x 20 = 40

1. Vitamins are physiological regulators – Discuss
2. Describe the steps and processes involved in blood clotting
3. Describe the various steps of chemical and physical mechanisms in digestive system
4. Describe the role of respiratory pigments in respiratory process.

 

 

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

GA 22

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – November 2008

    ZO 3807 – INTEGRATED PHYSIOLOGY

 

 

 

Date : 05-11-08                 Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

Section-A

Answer ALL the Question                                                                                   (10 x 2 =20 Marks)

1. What is a pace maker?
2. What is Cushing’s syndrome?
3. Comment on Pacinian corpuscles.
4. Differentiate granulocytes from agranulocytes.
5. Give the important functions of folic acid in man.
6. Write  a note on acetylcholine
7. What is blind spot?
8. Comment on organs of balance and equilibrium.
9. What do you mean by imprinting?
10. Distinguish rheotaxis from galvanotaxis.

 

Section-B

Answer any FOUR of the following                                                                 (4 x 10=40 Marks)

1. Deep sea organisms overcome high pressure- Explain.
2.  What is the role of gastrointestinal hormones?
3. Write notes on synapses and synaptic transmission.
4. Schematically explain the cycle of Cori.
5. Explain the physiology of electric organs.
6. Explain the physiological adaptation to extreme temperatures.

 

Section-C

Answer any TWO of the following                                                                   (2 x 20=40 Marks)

 

1. Discuss Carbohydrate metabolism.
2. Explain in detail osmoregulation in vertebrates.   And add a note on their hormonal regulation.
3. What are steroid hormones?   Explain their role in both the sexes.
4. Write notes on     a) Hibernation & Aestivation b) Pigment effector cells.

 

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

THIRD SEMESTER – APRIL 2011

ZO 3810/3807 – INTEGRATED PHYSIOLOGY

 

 

Date : 12-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A                                              ( 10 x2=20)           

 

ANSWER ALL  IN A FEW SENTENCES

 

1. Distinguish psychophiles and halophiles.
2. Differentiate hiberation and diapauses.
3. Define cyclomorphosis.
4. State diffusion coefficient.
5. What do you know about Juxtra  glomerular complex ?
6. Comment an Warburg’s yellow enzyme.
7. What are chaperones and chromataphores?
8. State the importance of   lipofusin.
9. Comment an Calmodulation.
10. Expand: a) CCK b) BMR

                                                                                                   PART – B                                           ( 4 x 10 = 40)

 

BRIEFLY ANSWER ANY FOUR

 

11. Compare the osmoregulatory  mechanisms  of  aquatic and terrestrial animals.
12. Explain the mechanisms  of G- protein  signaling.
13. Elucidate positive and  negative feedback mechanisms using hormones.
14. Illustrate Wald’s visual cycle with a note on its significance.
15. How is stomach acid secretion regulated in our digestive system ?

16 . Outline  the role  of buffer system in  the  physiological co-ordination.

 

.                                                                                                                        PART  – C                                            ( 2 x20=40)

 

  ANSWER ANY  TWO  IN DETAIL

 

17. Discuss the physiology of muscular contraction including  cardiac muscular contraction.
18. Examine the concept of chronobiology towards its implication.
19. Decipher the mechanisms of   thermoregulation in  the light  of endocrine

System.

20. Compare the physiology of electric organs and organs involved in bioluminescence.

 

 

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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.

 

 

 

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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 .

 

 

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