M.Sc. (Semester II) (CBCS) Examination Mar/Apr-2018
Agrochemicals And Pest Management
ECONOMIC ENTOMOLOGY
Time: 2½ Hours
Max. Marks: 70
Instructions: Section-I is compulsory. All Questions carry equal marks. Solve any two Questions from Section-II Solve any two Questions from Section-III
Section I
Q.1
Choose correct answer from options given below.
14
Malaria causes due to mosquito.
Male Anopheles
Female Anopheles
Female Culex
Male Aedes
Scientific name of Khapra beetle is
Holotrichia consanguinea
Periplaneta Americana
Cimex lectularius
Musca domestica
is sucking pest.
Aphid
Nematode
Silver fish
Helicoverpa borer
Sooty mold found on part of the plants.
growing
stem
root
none of the above
Colony structure and polymorphism is the characteristics of
Monkey
House sparrow
Termite
Pulse beetle
is the vector of tuberculosis.
Khapra beetle
Helicoverpa borer
Rat
Bed bug
Cut worm belongs to family
Aleyrodidae
Buprestidae
Cimicidae
Moridae
Chemicals used to control nematodes are known as
Pesticides
Insecticides
Sprayers
Nematicides
Rat belongs to order
Coleopteran
Anura
Chelonian
Rodentia
10) Hetetoderma spp. is called as
Root knot nematode
Seed gall nematode
Cyst nematode
None of the above
11) is the parasite on domestic animals.
Mite
House fly
Nematode
Pulse beetle
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SLR-UA-8
12) is the enemy of apiculture in vertebrate pest.
Monkey
House sparrow
Green bee eater
Nematode
13) crop is damaged by Amaragnata spp.
Wheat
Rice
Coconut
Apple
14) Flying foxes having great sense of
audio
sight
smell
hearing
Section II
Q.2
Describe life cycle stages of bed bug.
14
Describe reproduction pattern in Termite with suitable diagram.
Q.3
Describe Root Knot nematode.
14
Describe different orders of insects with their characters.
Q.4
Explain Snail as a molluscan pest of agricultural crops.
14
Describe nature of damages and control measures of white grub.
Section III
Q.5
Nature of damages caused by Anopheles mosquitoes.
05
Explain damages caused by Monkey.
05
Write difference in sucking and live stock pest with suitable example.
04
Q.6
Describe nature of damages of Rice weevil.
05
Control measures of stored grain pest.
05
Write morphological peculiarities of Porcupine.
04
Q.7
Discuss specific feeding characters and Control measures of Lawn Web Worm.
05
Draw life cycle diagram of Silver fish.
05
Damages caused by sucking sand fly.
04