LOYOLA COLLEGE (AUTONOMOUS), CHENNAI-600 034.
M.Sc. DEGREE EXAMINATION – ZOOLOGY
fourth SEMESTER – APRIL 2003
ZO 4801 / Z 1017 behavioral biology
16.04.2003
1.00 – 4.00 Max: 100 Marks
PART – A (10 ´ 2 = 20 Marks)
Answer ALL the questions
- What is Altruism?
- Explain biological clock.
- Differentiate emotion and aggression.
- Mention any four patterns of behaviour seen in animal.
- Define Homeostasis.
- What are mechanoreceptors?
- Mention any two juvenile behaviour.
- What is Navigation?
- Explain visual recognition of prey and predators.
- What is a complex stimulus?
PART – B (4 ´ 10 = 40 Marks)
Answer any four questions
- Give an account of Kin selection.
- Write a paragraph on Darwinian fitness.
- Explain “Ontogeny recapitulates phylogeny” with respect to animal behaviour.
- Give an account of cellular behaviour.
- Write a paragraph on classical conditioning.
- Explain the instinct behaviour of animals.
PART – C (2 ´ 20 = 40 Marks)
Answer any TWO questions
- a) What are sensory receptors?
- Give an account of vertebrate hormones.
- Explain in detail the Neural control of behaviour in animals
- a) Define sexual dimorphism
- Distinguish intrasexual and intersexual selection
- Give an account of evolution and social behavior
- Write an essay on Altruism.
- Explain in detail the mechanism of decision making in Animals.