Entomology IPM
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Question No. 1
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Integrated Pest Management (IPM) mainly emphasizes:
A.
Eliminating all insects permanently
B.
Ecosystem approach using multiple strategies
C.
Use of only transgenic crops
D.
Continuous chemical spraying
Question No. 2
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Which cultural method helps to control soil-dwelling insects by destroying resting stages?
A.
Flooding
B.
Trap cropping
C.
Handpicking
D.
Deep ploughing
Question No. 3
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In okra grown around cotton, IPM uses it as:
A.
Trap crop
B.
Predator habitat
C.
Nurse crop
D.
Cover crop
Question No. 4
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Suraksha rice variety is resistant to:
A.
Stem borer
B.
Gall midge
C.
Thrips
D.
Brown planthopper
Question No. 5
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Which resistant rice hybrid is tolerant to both BPH and gall midge?
A.
CoRH-1
B.
IR-64
C.
Pusa-44
D.
Swarna
Question No. 6
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Trench digging is a mechanical measure against:
A.
Rice gall midge
B.
Pink bollworm
C.
Whitefly adults
D.
Nymphs of locust & red hairy caterpillars
Question No. 7
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A method of pruning and thinning in IPM is beneficial because:
A.
Reduces transpiration
B.
Acts as fertilizer
C.
Increases plant vigor and reduces infection
D.
Eliminates soil insects
Question No. 8
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Flame throwers are a type of:
A.
Physical method
B.
Cultural method
C.
Mechanical control
D.
Legal control
Question No. 9
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Which method includes handpicking of caterpillars and beetles?
A.
Legal
B.
Genetic
C.
Cultural
D.
Mechanical
Question No. 10
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Injection of Bt gene into plants for pest resistance represents:
A.
Mechanical method
B.
Genetic control
C.
Classical control
D.
Microbial control
Question No. 11
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Who coined the term 'Biological Control'?
A.
H.S. Smith
B.
R.H. Painter
C.
Paul De Bach
D.
Agostino Bassi
Question No. 12
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Paul De Bach is well known for:
A.
Book 'Biological Control of Insect Pests and Weeds'
B.
Silent Spring publication
C.
Mass production of Trichogramma
D.
Drafting DIPA Act
Question No. 13
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Parasitoids differ from predators in that:
A.
They live freely always
B.
They kill only one host to reach adulthood
C.
They are larger than prey
D.
They feed throughout life
Question No. 14
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Trichogramma is a/an:
A.
Predator
B.
Egg parasitoid
C.
Microbe
D.
Larval predator
Question No. 15
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Ladybird beetle (Coccinella septempunctata) feeds as:
A.
Egg parasitoid
B.
Predator
C.
Virus carrier
D.
Parasite
Question No. 16
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Which example is a larval parasitoid?
A.
Cotesia spp.
B.
Coccinella
C.
Trichogramma
D.
Campoletis chloridae
Question No. 17
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Nematodes, bacteria, viruses, fungi for insect control are categorized under:
A.
Genetic control
B.
Physical barrier methods
C.
Microbial control
D.
Mechanical tools
Question No. 18
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Who is considered as the Father of Insect Pathology?
A.
Paul De Bach
B.
R.H. Painter
C.
Agostino Bassi
D.
H.S. Smith
Question No. 19
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Virus-infected larvae often show:
A.
Fragile ruptured skin
B.
Pink ventral side due to polyhedral bodies
C.
Dark body with septicemia
D.
Abnormal oviposition
Question No. 20
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Bacterial infection in larvae leads to:
A.
Cessation of oviposition
B.
Hanging larva upside down
C.
Fragile skin rupture with fluid leakage
D.
Formation of silk only
Question No. 21
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Tree-top disease (larva hangs upside-down) is caused by:
A.
Virus infection
B.
Fungal spores
C.
Nematodes
D.
Bacterial septicemia
Question No. 22
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Which biocontrol agent belongs to order Diptera?
A.
Campoletis
B.
Bracon hebetor
C.
Tachnid fly
D.
Trichogramma spp.
Question No. 23
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Pheromone traps are useful for:
A.
Mass trapping male moths
B.
Destroy soil pathogens
C.
Measuring soil nutrients
D.
Killing beneficial insects
Question No. 24
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Which method is safest for storage pest management?
A.
Fumigating every month
B.
Reducing grain moisture
C.
Leaving grains in open heaps
D.
Using systemic insecticides
Question No. 25
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Cereal grains should be stored at moisture levels:
A.
20%
B.
15%
C.
Below 12%
D.
8%
Question No. 26
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Oil seeds should be stored at what safe moisture level?
A.
12%
B.
15%
C.
8%
D.
5%
Question No. 27
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Legal control of insect pests in India started with:
A.
Quarantine Act
B.
DIPA (Destructive Insects & Pests Act, 1914)
C.
ICAR Act
D.
Biological control act
Question No. 28
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The HQ of Directorate of Plant Protection Quarantine and Storage is located at:
A.
Hyderabad
B.
Faridabad
C.
Chennai
D.
New Delhi
Question No. 29
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Flooding of crop fields mainly destroys:
A.
Soil dwelling insects
B.
Foliage pests
C.
Pollinators
D.
Aerial predators
Question No. 30
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Sterile insect technique is part of:
A.
Physical control
B.
Mechanical control
C.
Genetic control
D.
Legal control
Question No. 31
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Which control method depends most on environment and may show variable success?
A.
Genetic control
B.
Legal quarantine
C.
Biological control
D.
Chemical method
Question No. 32
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Major advantage of biological control is:
A.
Environmentally safe, long lasting, self-perpetuating
B.
Independence of natural balance
C.
Works instantly on pests
D.
Always cheaper
Question No. 33
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Disadvantage of biological control is:
A.
Always kills beneficial insects
B.
Used only for rodents
C.
Slow action and not always guaranteed
D.
Most expensive method
Question No. 34
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Use of mango banding to manage mealy bugs is an example of:
A.
Legal quarantine
B.
Mechanical method
C.
Cultural method
D.
Physical method
Question No. 35
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Which insect predator is used in cotton IPM?
A.
Bracon hebetor
B.
Chrysoperla carnea
C.
Trichogramma chilonis
D.
Tachnid fly
Question No. 36
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Which classical biocontrol insect was successful against cottony cushion scale?
A.
Trichogramma
B.
Rodolia cardinalis
C.
Bracon hebetor
D.
Cotesia spp.
Question No. 37
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Microbial control concept was introduced in 1949 by:
A.
Stern Hauns
B.
Paul De Bach
C.
H.S. Smith
D.
Louis Pasteur
Question No. 38
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Insecticides Act passed in 1968 governs:
A.
Predator rearing
B.
Legal pesticide use
C.
Quarantine of pests
D.
Mechanical methods
Question No. 39
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Use of irradiation to sterilize males in pest management is termed:
A.
Trap cropping
B.
Sterile insect technique
C.
Tree banding
D.
Cultural sanitation
Question No. 40
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Which trap is based on insect vision or light attraction?
A.
Light trap
B.
Sticky trap
C.
Bait trap
D.
Pheromone trap
Question No. 41
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Ladybird beetle is effective mainly against:
A.
Stem borers
B.
Aphids
C.
Cutworms
D.
Locusts
Question No. 42
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Mechanical shaking of branches is recommended to dislodge:
A.
Soil nematodes
B.
Insect eggs and larvae
C.
Viral pathogens
D.
Brown plant hoppers
Question No. 43
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Which regulation provides quarantine measures within India?
A.
Domestic quarantine
B.
Nematode Act
C.
Seed Act
D.
Fertilizer Order
Question No. 44
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A biological enemy that is same size as host and kills it while developing is:
A.
Predator
B.
Parasitoid
C.
Parasite
D.
Microbial agent
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