Download PTU B.Sc-Agriculture 2020 March 7th Sem 74865 Pesticides And Plant Protection Equipment Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc-Agriculture 2020 March Previous Question Papers

1 | M-74865 (S2)-2408
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Agriculture) (Sem.?7)
PESTICIDES AND PLANT PROTECTION EQUIPMENT
Subject Code : BSAG-PP 703
M.Code : 74865
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS 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
Q1. Define the following :
a) Dust Formulations
b) Median Lethal Dose (LD
50
)
c) Repellents
d) Insecticide resistance
e) Resurgence
f) Biomagnification
g) Surfactants
h) Insecticide residues
i) Antidotes
j) Synergism

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1 | M-74865 (S2)-2408
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Agriculture) (Sem.?7)
PESTICIDES AND PLANT PROTECTION EQUIPMENT
Subject Code : BSAG-PP 703
M.Code : 74865
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS 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
Q1. Define the following :
a) Dust Formulations
b) Median Lethal Dose (LD
50
)
c) Repellents
d) Insecticide resistance
e) Resurgence
f) Biomagnification
g) Surfactants
h) Insecticide residues
i) Antidotes
j) Synergism


2 | M-74865 (S2)-2408
SECTION-B
Q2. Write a short note on chemosterilants and their use in pest management.
Q3. What are hormones? Discuss their role in pest management.
Q4. Discuss various types of nozzles used for application of pesticides.
Q5. Write a short note on ULV sprays.
Q6. Classify the various insecticide based on their mode of action.

SECTION-C
Q7. Define an insecticide and classify various insecticides according to their chemical nature.
Q8. Discuss in detail the factors affecting the toxicity of pesticides.
Q9. Draw a well labeled diagram of Knapsac sprayer and write about its principles of
working.








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