LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – ZOOLOGY

AF 12

FIFTH SEMESTER – NOV 2006

ZO 5504 – ECONOMIC ENTOMOLOGY

(Also equivalent to ZOO 512)

 

 

Date & Time : 01-11-2006/9.00-12.00   Dept. No.                                                       Max. : 100 Marks

 

 

 

PART – A

 

Answer All the questions. Each question carries TWO marks.         (10 x 2 = 20 Marks)

 

1. Comment on repellents.
2. What are plant protection appliances?
3. What is shaft louse?
4. What are pheromone traps?
5. What is stone weevil?
6. What is bee forage?
7. What is IPM?
8. Expand: FAO & ICAR.
9. Enumerate any two causes for insects assuming pest status.

10. Name any four household insect pests.

 

PART – B

 

Answer any FOUR questions. Each question carries TEN marks.   (4 x 10 = 40 Marks)

 

11. Describe the life cycle of locust and its control.

1. Write notes on the classification of insecticides.
2. List down the twenty nine orders of the class Insecta.
3. Give an account on Apiculture.
4. Give an account on mosquitoes in relation to public health.
5. Give an account on rhinoceros beetle and its control.

 

PART – C

 

Answer any TWO questions. Each question carries TWENTY marks.

  (2 x 20 = 40 Marks)

1. Explain the procedure involved in the dry mount of insects.
2. Describe biological control of insect pests.
3. Give an account on Sericulture.

20. (a) Describe any three insect pests of Rice and their control.

(b) Insect pests of stored products and their control.

 

 

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