Entomology Important Points
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Question No. 1
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NPV is mostly used to control which insect group?
A.
Lepidopteran insects
B.
Coleopteran insects
C.
Dipteran insects
D.
Orthopteran insects
Question No. 2
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Which insect transmits bud necrosis in groundnut?
A.
Whiteflies
B.
Aphids
C.
Thrips
D.
Leafhoppers
Question No. 3
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Who introduced the system of binomial nomenclature?
A.
C. Linnaeus
B.
Aristotle
C.
Lamarck
D.
Darwin
Question No. 4
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The scientific name of maize stem borer is:
A.
Sesamia inferens
B.
Chilo partellus
C.
Helicoverpa armigera
D.
Scirpophaga incertulus
Question No. 5
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Which method can control termites in crops?
A.
Solarization
B.
Irrigation
C.
Pheromones
D.
Trap cropping
Question No. 6
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What is the chief excretory organ in insects?
A.
Malpighian tubules
B.
Nephridia
C.
Kidneys
D.
Green glands
Question No. 7
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Juvenile hormone in insects is secreted by:
A.
Corpora allata
B.
Prothoracic glands
C.
Hypothalamus
D.
Ovaries
Question No. 8
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Tree banding is most useful to control:
A.
Mango mealy bug
B.
Fruit borers
C.
Scale insects
D.
Cutworms
Question No. 9
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The key characteristic of insects is:
A.
Two wings
B.
Three pairs of legs
C.
Compound eyes
D.
Antennae
Question No. 10
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Which honey bee species is best for apiculture?
A.
Apis florea
B.
Apis mellifera
C.
Apis dorsata
D.
Apis cerana
Question No. 11
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Optimum plant population for Bt cotton is:
A.
50,000 plants/ha
B.
25,000 plants/ha
C.
10,000 plants/ha
D.
5,000 plants/ha
Question No. 12
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Which honey bee has the largest size?
A.
Apis cerana
B.
Apis dorsata
C.
Apis florea
D.
Apis mellifera
Question No. 13
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Bromadiolone (0.005%) is an effective:
A.
Insecticide
B.
Fungicide
C.
Rodenticide
D.
Weedicides
Question No. 14
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The bacterium used in commercial production for pest control is:
A.
Bacillus subtilis
B.
Bacillus thuringiensis
C.
E. coli
D.
Pseudomonas fluorescens
Question No. 15
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Houseflies are known to transmit which disease?
A.
Cholera
B.
Malaria
C.
Dengue
D.
Tuberculosis
Question No. 16
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Which insecticide is considered safest for vegetables?
A.
Chlorpyrifos
B.
Malathion
C.
Fipronil
D.
Endosulfan
Question No. 17
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The most widely used pheromones in pest management are:
A.
Aggregation pheromones
B.
Alarm pheromones
C.
Trail pheromones
D.
Sex pheromones
Question No. 18
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Major pest of cucurbits is:
A.
Pumpkin beetle
B.
White fly
C.
Leaf miner
D.
Aphid
Question No. 19
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Diamondback moth is a major pest of:
A.
Groundnut
B.
Crucifers
C.
Maize
D.
Cotton
Question No. 20
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The transgenic cotton resistant to bollworm is called:
A.
GMO maize
B.
Golden rice
C.
Bollgard
D.
Hybrid cotton
Question No. 21
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For quarantine purposes, the best fumigant is:
A.
Malathion
B.
Methyl bromide
C.
Hydrogen cyanide
D.
Carbendazim
Question No. 22
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The moulting hormone in insects is:
A.
Ecdysone
B.
Juvenile hormone
C.
Testosterone
D.
Estrogen
Question No. 23
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Insects excrete primarily:
A.
Urea
B.
Ammonia
C.
Uric acid
D.
Creatinine
Question No. 24
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Nosema disease of honeybees is caused by:
A.
Protozoa
B.
Virus
C.
Bacteria
D.
Fungus
Question No. 25
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In rice, silver shoot is caused by:
A.
Stem borer
B.
Gall midge
C.
Leaf folder
D.
Planthopper
Question No. 26
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Bud necrosis in watermelon is transmitted by:
A.
Thrips
B.
Aphids
C.
Whiteflies
D.
Beetles
Question No. 27
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Which insect survives at high temperature and low humidity?
A.
Khapra beetle
B.
Rice weevil
C.
Flour beetle
D.
Red flour beetle
Question No. 28
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Protein hydrolysate is used for attracting:
A.
Fruit flies
B.
Termites
C.
Whiteflies
D.
Aphids
Question No. 29
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Epiricania melanoleuca is effective against:
A.
Sugarcane pyrilla
B.
Rice stem borer
C.
Pink bollworm
D.
Whiteflies
Question No. 30
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Which Act regulates pest control in India?
A.
Forest Act
B.
Insecticides Act 1968
C.
Destructive Insects and Pests Act 1914
D.
Plant Quarantine Act 2003
Question No. 31
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Rice stem borer (Scirpophaga incertulus) is a:
A.
Polyphagous pest
B.
Monophagus pest
C.
Oligophagus pest
D.
Secondary pest
Question No. 32
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Vector of rice tungro virus is:
A.
Brown planthopper
B.
Green leafhopper
C.
Gall midge
D.
Whitefly
Question No. 33
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Rice grassy stunt virus is spread by:
A.
BPH
B.
Gall midge
C.
Stem borer
D.
Mites
Question No. 34
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Gundhi bug in rice causes black grains at:
A.
Tillering
B.
Milky stage
C.
Seedling stage
D.
Harvest stage
Question No. 35
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Which disease in wheat is controlled by hot water treatment at 50 °C for 2 hrs?
A.
Loose smut
B.
Tundu
C.
Rust
D.
Ergot
Question No. 36
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Hopper burn in rice is a symptom of:
A.
Gall midge
B.
BPH attack
C.
Leaf folder
D.
Stem borer
Question No. 37
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Vector of cotton leaf curl virus is:
A.
Aphids
B.
Thrips
C.
Whitefly
D.
Jassids
Question No. 38
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Double seed formation in cotton bolls occurs due to:
A.
Pink bollworm
B.
American bollworm
C.
Spotted bollworm
D.
Jassids
Question No. 39
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Large round bore holes with faeces on cotton bolls indicate:
A.
American bollworm
B.
Pink bollworm
C.
Spotted bollworm
D.
Aphids
Question No. 40
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Which insecticide is safest for honey bees?
A.
Endosulfan
B.
Malathion
C.
Chlorpyrifos
D.
DDT
Question No. 41
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A pest confined locally and occurring regularly is termed:
A.
Endemic
B.
Epidemic
C.
Pandemic
D.
Exotic
Question No. 42
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ETL stands for:
A.
Economic Trial Level
B.
Effective Treatment Level
C.
Economic Threshold Level
D.
Equal Threshold Level
Question No. 43
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The pest attacking all parts of the plant is:
A.
Termite
B.
Stem borer
C.
Leaf miner
D.
Gall midge
Question No. 44
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Which pest has an international status?
A.
Desert locust
B.
Pink bollworm
C.
Sugarcane pyrilla
D.
Rice weevil
Question No. 45
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The eggs laid per second by termite queen is:
A.
1 egg/sec
B.
10 eggs/sec
C.
50 eggs/sec
D.
100 eggs/sec
Question No. 46
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The total heat needed to complete a species' life cycle is termed:
A.
Thermal constant
B.
Heat unit
C.
Critical thermal point
D.
Base temp value
Question No. 47
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International Organization for Biological Control is located in:
A.
Sweden
B.
India
C.
Zurich, Switzerland
D.
USA
Question No. 48
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Cryptobiosis in insects means:
A.
Death
B.
Quiescence with no metabolic activity
C.
Quick hatching
D.
Failure of moulting
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