M.Sc. (Semester III) (CBCS) Examination Nov/Dec-2018
Agrochemicals and Pest Management
ADVANCES IN PEST CONTROL I
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
All questions carry equal marks.
Solve any two questions from section-II.
Solve any two questions from section-III.
Section I
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
is the biological method used in pest control.
Insecticides Herbicide
Weedicide Use of predators
Chemicals that cause insects to make oriental movements towards their
source are called
Repellants Chemosterilants
Attractants None of the above
component is present in neem seed which is important source
for controlling the pest.
Chlorophyll Limnoid
Phloem Xylem
Lacewing is used as for controlling the sucking pest.
Predators Parasites
Egg parasitoids All of the above
is the stored grain pest.
Rat Mole cricket
Aphid Thrips
IPM stands for
Integrated pest management Integral pest management
Important pest management Inverted pest management
Pesticides designed to controlling the nematodes are called
Aviacides Miticides
Fungicides Nematicide
is used for controlling the rat.
Temperature Humidity
Rodenticide Rain
The acute toxicity of insecticides are made introducing the dose
of insecticide directly into stomach or to rats.
Single Double
Triple Multiple
10) Which of the following is not a type of measure of toxicity?
Oral Dermal
Stomach Inhalation
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SLR-VA-11
11) What are the units of LD50?
kg/g of animal body weight mg/kg of animal body weight
g/g of animal body weight mg/g of animal body weight
12) The use of same insecticides again and again give rise to in
insects against that insecticide.
Restriction Resistance
Response Both a b
13) H.P.R. stands for
House Pest Resistance Host Pest Resistance
Host Plant Resistance Host Plant Rate
14) In the Housefly the resistance to is due to recessive gene Kdr
located on chromosome-3.
Dimethoate Carbaryl
Diazinon DDT
Q.2 Answer the following any four:-
1. Write definition of parasites.
2. What is cultural control method?
3. What is attractants?
4. Enlist different types of feeding habits of insect pest.
5. Write examples of sucking pest with their host plant.
08
Write note on any two
1. Write current pest found in an around you with their host plant.
2. Write a note any one type of duster.
3. Explain forest pest management.
06
Q.3 Answer the following. (Any Two)
1. Note on NPV
2. Types of sprayer.
3. What is IPM?
08
Answer the following. (Any One)
1. Give an account of attractant in pest control programme with suitable
exam.
2. Define host plant resistance. Explain mechanism of resistance in plants.
06
Q.4 Answer the following. (Any Two)
1. Genetic control method.
2. Light activated pesticides
3. Phermones and their role in pest control.
4. Importance of biotechnological applications in Pest Management.
10
Answer the following. (Any One)
1. Write a note on Pesticides.
2. Note on different types of pests.
04
Q.5 Answer the following. (Any Two) 14
Explain in detail biological method of pest control.
Enlist the plant protection appliances. Explain hand atomizer nozzle.
Enlist various methods of pest control. Explain the Mechanical method of pest
control with suitable example.