M.Sc. (Semester II) (CBCS) Examination Nov/Dec-2018
Agrochemicals And Pest Management
ECONOMIC ENTOMOLOGY
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
Dengue caused by species of mosquito.
Aedes Anapheles
Culex All of the above
Scientific name of Hadda beetle is
Periplaneta Americana Holotrichia consagunia
Henosepilachna vigintioctopunctata Musca domestica
Indian meal moth is
Polyphagous Forest
Household Monophagous
Helicoverpa bore belongs to family
Blattidae Acrididae
Cimicidae Noctuidae
belongs to phylum vertebrata.
Nematode Gram pod borer
Rat Grasshopper
Spiraling white fly is pest.
stored grain ornamental
polyhouse livestock
Cast system is found in insect pest.
Termite Cockroach
Mosquito Housefly
Chemicals used to control weeds are known as
pesticide insecticide
rodenticides weedicide
is the pest of stored grain.
Saw toothed beetle Aphid
Mealy bug Housefly
10) type of mouth parts are found in digger wasp.
Pectate Chewing
Monoliform Clavate
11) is the pest of forest.
Teak defoliator Saw toothed beetle
Bed bug White fly
Page 2 of 2
SLR-VA-8
12) vertebrate pest is the enemy of apiculture.
Wild boar Monkey
Common green bee eater Flying foxes
13) Coleoptera is the order of
Rat White grub
Grass hopper Butterfly
14) Life cycle of Stem borer completes within stages.
Egg-lava-pupa-adult Egg-grub-adult
Egg-nymph-adult Egg-adult
SECTION II
Q.2 Describe seed gall nematodes. 07
Describe life cycle pattern of Aphid with suitable diagram. 07
Q.3 Describe life cycle pattern of cotton White fly with suitable diagram. 07
Explain Heliax species as a molluscan pest of agricultural crops. 07
Q.4 Describe lie cycle pattern of Anapheles with suitable diagram. 07
Define pest, enlist and describe the different types of pest. 07
SECTION III
Q.5 Vertebrate pest of apiculture. 05
Describe damage caused by Spodoptera species. 05
Teak defoliator. 04
Q.6 Describe control measure White grub. 05
Explain damage caused by Cut worm. 05
Control measures on pest of Livestock 04
Q.7 Write note on Mealy bug. 05
Economic importance of ornamental pest. 05
Grasshopper.