1

Total No. of Pages: 3

Register Number: 3649

Name of the Candidate:

DIPLOMA EXAMINATION - 2011

(BIO-PESTICIDES PRODUCTION TECHNOLOGY)

(PAPER - I)

110. INSECT PARASITOIDS, PREDATORS AND PATHOGENS

May) (Time: 3 Hours

Maximum: 100 Marks

SECTION – A

Write short notes on any FIVE of the following: (5 × 2 = 10)

1. / Predator.
2. / Parasitoid.
3. / Pathogen.
4. / Trichogramma Sp.
5. / Lady bird beetle.
6. / Spider.
7. / Chrysopa..

SECTION – B

II. Write notes on any FIVE of the following: (5 × 6 = 30)

8. / Biocontrol.
9. / Natural Control.
10. / Biotic balance.
11. / Categories of predator.
12. / Types of Impact Pathogens.
13. / Parasites of Horticultural Crops.
14. / Poultry Pest Management

SECTION – C

III. Write detailed answer for the following:(5 × 12 = 60)

15. / (a) Write the basic concepts of Biological Control
(OR)
(b) Important insect parasitoids.
16. / (a) Bring out the history of Biological Control.
(OR)
(b) Narrate applied method of insect control.
17. / (a) Write the status of biological control in India.
(OR)
(b) Introduction and utilization of exotic biocontrol agents.
18. / (a) Role of biological control in IPM.
(OR)
(b) List out the merits and demerits of Biological Control.
19. / (a) Non-insect predators and their importance in Agriculture.
(OR)
(b) Microbial control and IPM.

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