LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – ZOOLOGY

DE 36

FOURTH SEMESTER – APRIL 2008

ZO 4808 – BEHAVIOURAL BIOLOGY

 

 

 

Date : 21/04/2008            Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART A                                (Answer all)                                   10 x 2 = 20 Marks

1. Write a note on Sex determination in Ants
2. Comment on stimulus relevance
3. Write a note on ‘Cursorial adaptations’
4. Differentiate Peripheral and Central Chemoreceptors
5. Mention the photoreceptors in Plants
6. What is called Amodal and Depth Perception?
7. Differentiate Kinship from Cooperation
8. Compare Short Term and Long Term Memories
9. What is called Disinhibition?
10. What is called Displacement Behaviour?

 

PART B                                ( Answer any four)                      4 x 10 = 40 Marks

1. Explain the development of behaviour
2. Human behaviour is complex and unpredictable. Substantiate.
3. Elaborate the evolutionary pathways of behaviour
4. How conditioning enhances learning?
5. Give an account on the reproductive behaviour of animals.
6. Form an essay on the adaptive strategies of animals.

 

      PART C                           (Answer any two)                                    2 x 20 = 40 Marks

1. Explain in detail Homeostasis and behaviour
2. Form an essay on animal intelligence
3. Environment has a greater role in behaviour – Justify
4. Explain how behaviour of honey bees is complex

 

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