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Roll No.
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Total No. of Questions : 09
Total No. of Pages : 02
B.Sc. Agriculture (2014 & Onwards) (Sem.-7)
PESTICIDES AND PLANT PROTECTION EQUIPMENT
Subject Code : BSAG-PP 703
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M.Code: 74865
Time: 3 Hrs.
Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
- Write short notes on :
- Fumigants
- Protoplasmic poisons
- Median lethal concentration
- Pesticides
- Insect growth regulators
- Wettable Powders
- Granular formulations
- Stickers
- Pheromones
- Ultra low volume sprayer
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SECTION-B
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- What are the qualities of good sprayers?
- Define Synergism and synergists
- Classify the Pheromones on the basis of releaser effect.
- What is the desirable trait in a good repellent?
- What are chemosterilants and classify them into various groups?
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SECTION-C
- What is the pesticide formulation? Discuss different type of pesticide formulations that are used for pesticide application along with their ideal properties.
- Discuss the role of repellents, attractants, pheromones, hormones and antifeedants in pest management in detail along with the suitable example.
- Discuss pesticide toxicity and the factors affecting toxicity of insecticides in detail.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Sc Agriculture Last 10 Years 2010-2020 Previous Question Papers || Punjab Technical University
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