M.Sc. (Semester III) (CBCS) Examination Mar/Apr-2018
Agrochemicals And Pest Management
ADVANCES IN PEST CONTROL I
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions are compulsory. Attempt any two questions from Section-II Attempt any two questions from Section-III All questions carry equal marks.
Q.1
Choose the correct option given below:-
14
In sandwich method the known amount to insecticide is put between and batch of insects.
two leaves
two insects
two crops
two flowers
Bioassay is the determination of response of a living organisms.
insect
chemicals
host plant
none of these
The fumigation method is carried out in
closed chamber
open air
vacuum
dark room with no ventilation
In injection method with the help of needle the measured amount of insecticide is directly injected in the systems in insect body.
sterile
hypodermic
both a and b
none of these
IPM stands for
Integrated pest management
Integral pest management
Important pest management
Inverted pest management
In antixenosis the host plant may habit of insect.
feeding
oviposition
seeking shelter
all of the above
Antibiosis refers to the adverse effect of the host plant on the of the insects.
biology
oviposition
tolerance
mating
The dose of the insecticide to control insect attacks of taken on basis of
milligram gram
milligram
milligram kilogram
kilogram milligram
is an organism which is usually much larger than its prey and a single individual able to kill their prey.
predators
parasites
parasitoids
all of the above
Page 2 of 2
SLR-UA-11
10) A substances released by one sex for attracting another is called as pheromone.
alarm
aggregation
sex
repell
11) is included in biological method of pest control.
insecticide
herbicide
weedicide
attractants
12) The control of insect pest by sterilization was 1st discovered by in 1937.
Albert Einstein
E. F. Knipling
Rutherford
Jorge Mendel
13) plants leaves are used as a repellent against stored grain pest.
Neem
Ashoka
Tulsi
Turmeric
14) Phosphine gas is used for the management for pest.
forest
stored grain
ornamental
medicinal
Section II
Q.2
Explain with neat labeled diagram parts of Bucket and Knapsack type of sprayer.
07
Enlist various methods of pest control. Explain the cultural method of pest control with suitable example.
07
Q.3
Give an account of Pheromones in pest control programme with suitable example.
07
Define host plant resistance. Explain mechanism of resistance in plants.
07
Q.4
Define pest and enlist the different types of pest with suitable examples.
07
Give importance and side effects of Neem based preparations is pest management.
07
Section III
Q.5
Insect growth regulators.
05
Write a note on attractants.
05
Legal method of pest control.
04
Q.6
Breeding for insect resistance.
05
Plant products in pest control.
05
Natural method of pest control.
04
Q.7
Estimation of losses causes by insect pest.
05
Bioassay method
05
Antifedants
04