DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2018.
BIOCHEMISTRY AND ANIMAL PHYSIOLOGY
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
All questions carry equal marks.
1. Describe the linear and ring structures of glucose.
2. Differentiate between transamination and deamination
with examples.
3. Write an account of metabolic disorders.
4. Write a short note on the following
Pyridoxine
Gluconeogenesis
Heart beat
Neurotransmitters.
5. Explain how oxygen and carbon-di-oxide are transported.
6. Describe the mechanism of muscle contraction.
7. Explain the osmoregulation in fishes.
8. Describe the hearing mechanism in man.
Sub. Code
14
DE-4168
2
SER
SECTION B — x 15 60 marks)
Answer any FOUR of the following.
All questions carry equal marks.
9. Discuss the mechanism of action of polypeptide
hormones.
10. Explain the x -oxidation cycle of fatty acid.
11. Describe the physiological mechanism of urine formation.
12. Explain the conduct of nerve impulse transmission
through axon and synapse.
13. Write an account on animals adaptations of extreme
environmental conditions.
14. Explain the types of biological rhythms in animals.
15. Discuss the role of retinal pigments in the physiology of
vision.