Download PTU B.Sc-Agriculture 2020 March 4th Sem 72756 Insect Ecology And Integrated Pest Management Question Paper

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Roll No. | [ ] [ ][] [ [ ] Total No. of Pages : 02
Total No. of Questions : 09

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B.Sc. Agriculture (2014 to 2018) (Sem.-4)
INSECT ECOLOGY AND INTEGRATED PEST MANAGEMENT
Subject Code : BSAG-404
M.Code : 72756
Time : 3 Hrs. Max. Marks : 60

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1. Write short notes on :
   1. Life table
   2. Legislative control
   3. Control measures against rodent pests
   4. Trap crops
   5. Insect growth regulators

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   6. Antifeedants
   7. Chemostrilants
   8. Hibernation and Aestivation
   9. Predators and parasitoids
   10. Pest surveillance

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SECTION-B

2. Define Host Plant resistance to insect, its major characteristics and use of HPR in pest management.
3. What is environmental resistance and discuss its types?
4. What are fumigants? Classify them into groups and quality of ideal fumigants?

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5. Define Ecology and its importance in pest management.
6. What is biological control and discuss briefly major techniques of biological control?

SECTION-C

7. What is pest outbreak and discuss in detail the causes of pest outbreak in agro-eco system?
8. What is IPM, outline its different components? What are the major constraints in IPM implementation? Outline the strategies for effective implementation of IPM?

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9. Write short notes of the following topics :
   1. Botanicals
   2. Light activated pesticides
   3. Microbial control
   4. Insect resurgence
   5. Organophosphates

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NOTE : Disclosure of identity by writing mobile number or making passing request on any page of Answer sheet will lead to UMC case against the Student.