ICAR AIEEA PG (JRF)

ENTOMOLOGY - 2019
Solved Paper
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ICAR(PG) JRF-Entomology & Nematology-Solved Paper 2019
(Bolded option is correct answer other options also contained answers
please read carefully)
Q.1 Quadricollumela is a part of
a) Digestive system
b) Female reproductive system
c) Nervous system
d) Male reproductive system
Q.2 Sesbania rostrata is used for
a) Vermin compositing
b) Night soil manuring
c) Green manuring
d) Poultry manuring
Q.3 Which of the following insect order has maximum species of parasitoids?
a) Diptera-Structurally highly evolved order
b) Hemiptera-Most of the sap sucking pests belong to this order
c) Hymenoptera
d) Coleopteran-Largest insect order
Q.4 Which of the following is safest for managing storage insect-pests?
a) Bacillus thuringiensis (Bt)-Bio-pesticide (Stomach poison)
b) Malathion- OP compound, act as insecticide / acaricide, with contact action
c) Monocrotophos- OP compound banned its use for vegetables and fruits (Systemic
insecticide)
d) Chlorpyriphos-OP compound (Contact insecticide)
Q.5 Which of the following storage insect-pests, is an external feeder
a) Rice weevil-Internal feeder
b) Lesser grain borer- Internal feeder
c) Pulse beetle- Internal feeder
d) Red flour beetle (Other includes are Saw toothed beetle, Cigarette beetle)
Q.6 Leucinodes orbonalis is a pest of
a) Okra- Major pest is Shoot and fruit borer (Earias vitela & E.insulana)
b) Brinjal
c) Cabbage- Major pest is DBM (Plutella xylostella)
d) Tomato- Major pest is Fruit borer (Helicoverpa armigera)
Contact us: 8920321513
Q.7 Domestic quarantine in India exists against
a) Rice white tip nematode- Aphelenchoides besseyi
b) Root-knot nematode- Meloidogyne sps
c) Citrus burrowing nematode- Radopholus similis
d) Potato cyst nematode (Globodera rostochienensis)
Q.8 Mexican beetle, Zygogramma bicolorata feeds on
a) Lemon grass-Act as a mosquito’s repellent
b) Gajar grass (Zygogramma bicolorata sometimes feeds on Sunflower crop also)
c) Napier grass-Act as trap crop for Maize stem borer and Maize Fall Army Worm
d) Rhodes grass- used as a forage crop
Q.9 Which of the following is a predator in insects?
a) Scales- Act as sucking pests belong to the family Coccidae
b) Slug- Act as a primarily pests of seedlings and herbaceous plants
c) Millipede- characterized by having two pairs of jointed legs on most body segments
d) Centipede
Q.10 First hybrid Basmati Quality rice is

a) Pusa RH – 10
b) Pusa Basmati – 1: Resistance against Bacterial blight
c) CR – 1014: Moderately resistance to sheath blight
d) Pusa Basmati – 1121:Higly export oriented variety
Q.11 Which amongst the following insects is NOT a sucking pest of rice?
a) Green leaf hoppers-Sucking pest transmit the Rice tungro virus, rice yellow & transitory
yellowing
b) Brown plant hoppers- Sucking pest transmit the Grassy stunt and ragged stunt
c) Rice case worms-Sporadic pest, passing a rope used to manage the pest
d) Rice mealy bugs- Remove the grasses and trim the bunds reduce the incidence of mealy bugs

Q.12 Smallest size of honeybee comb is produced by

a) Apis mellifera- Italian/European bee, equal to Indian bee size, Produce maximum honey
b) Apis florae-Little bee, produce the sweetest honey
c) Apis indica- Indian bee, Smaller than the rock bee bigger than the Italian bee
d) Apis dorsata -Rock bee, largest among all, most of the honey & bee wax available in market
is from this bee only
Q.13 Pebrine is the most common disease of
a) Army worm Contact us: 8920321513
 b) Silkworm-Attack all the stages of worms, Mother moth examination is done to
prevent the further spread of disease
c) Cut worm
d) White grub
Q.14 The coconut leaf caterpillar (Opisina arenosella) is successfully controlled by
a) Epiricania melanoleuca- external parasitoids of the sugarcane leaf hopper
b) Campoletis chloridae- Larval parasitoid on Helicoverpa armigera
c) Trichogramma chilonis-Egg parasitoid on Rice leaf hoppers and cotton bollworms
d) Gonizus nephantidis- Gregarious larval or prepupal ectoparasitoid
Q.15 Nymph is the term used for immature stage of insect
a) Moth
b) Mustard sawfly
c) Bollworm
d) Jassid
Q.16 The pyrethroid which is used in mosquito coil is
a) Deltamethrin- used for management of Storage pests
b) Cypermethrin- Used for management of field & horticultural pests
c) Allethrin
d) Permethrin-First Photo stable compound
Q.17 Which one is a monophagous pest in paddy?
a) Pink bollworm-Pest on Cotton, Bhendi, Hollyhock, Mesta, Abutilon indicum, Hibiscus
b) Pink borers- Pests on Maize, Sorghum and other millets
c) Tea Mosquito bug-Pests on Tea, Guava, Cashew and other plantation crops
d) Rice Yellow stem borer(RYSB)-Clipping of leaf tips, Early sowing, release of
Trichogramma japonicum used for management of RYSB
Q.18 Ecdysone hormone is produced by
a) Corpora cardiaca- act as a neurohemal organ
b) Corpora allata-Produce the Juvenile hormone which helps insects to remain in Juvenile stage

c) Prothoracic glands
d) Neurosecretory cells- Produce the brain hormones (PTTH & Bursicon)
Q.19 In field, powdery mildew is a major host of
a) llleis beetles

b) Green lace wings

c) Lady bird beetles Contact us: 8920321513
 d) Dipteran flies
Q.20 Diagnostic and advisory service changed its name to Global Plant clinic (GPC) in the year
a) 1999
b) 2001
c) 2002
d) 2004
Q.21 Which of the following nematocidal principle is present in marigold
a) Alpha terthenyl
b) Asparaguisic acid
c) Isothiocynate
d) Monocrotuline
Q.22 Sexual dimorphism occurs in
a) Heterodera
b) Pratylenchus-Pin nematode
c) Hoplolaimus-Lance nematode
d) Helicotylenchus-Spiral nematode
Q.23 ICAR – Indian vegetable Research Institute is located at
a) Ludhiana- Central Institute of Post-harvest Engineering & Technology
b) Patna- ICAR Research Complex for Eastern Region
c) Varanasi
d) Ranchi- Indian Institute of Natural Resins and Gums (IINRG)
Q.24 Which of the following urea varieties is used as slow-release nitrogenous fertilizer?
a) Phosphorous coated urea
b) Neem coated urea
c) Zinc coated urea
d) Karanj coated urea
Q.25 Bakanae disease of rice is due to gibberellin acid produced in the paddy plant when it is
attacked by
a) Bacterium
b) Virus
c) Fungi
d) Nematode
Q.26 The leading producer of chickpea is
a) Australia
b) India Contact us: 8920321513
 c) Myanmar
d) South Africa
Q.27 In sprayer, container is called ‘Tank’. The equivalent part of a duster is called
a) Pump- displaces a volume by physical or mechanical action
b) Hopper-helps for discharge of spray contents in the form Dust/powder form
c) Pressure chamber- helps for continuous spraying
d) Nozzle- device that facilitates dispersion of liquid into a spray
Q.28 Which of the following has a small brown body with a white belly?
a) Mus booduga- Little Indian field mouse
b) Mus musculus- House mouse, having a pointed snout, large rounded ears, and a long and
hairy tail
c) Mus platythrix- Flat-haired mouse, tail always shorter than head and body
d) Rattus rattus- Black rat, common long-tailed rodent
Q.29 Which of the following has asymmetrical mouth parts?
a) Butterfly-Siphoning type
b) Bugs- Piercing & sucking type
c) Thrips-Right mandible is absent
d) Dragon fly-Mandibulate
Q.30 Cotton plants with drooping leaves, wilt in patches due to ravages of
a) Fusarium wilt-caused by Fusarium oxysporum f. sp. vasinfectum,
b) Sphenoptera gossypii-Cotton stem borer
c) Agrotis sps- Cut worms
d) Dysmicoccus brevipes- Pink pineapple mealybug

Q.31 Which of the following is nicked as ‘Biological Gold’?

a) Beauveria- White muscardine fungi
b) Metarrhyzium- Green muscardine fungi
c) Cordyceps
d) Trichogramma-Egg parasitoid
Q.32 Lacerating and sucking type of mouth parts are present in
a) Phytophagous mites- Piercing & sucking type
b) Predatory mites- Piercing & sucking type
c) Phytophagous thrips
d) Honeybees-posses chewing and lapping type Contact us: 8920321513
Q.33 Scientific name of potato golden nematodes is
a) Meloidogy arenaria-Peanut root knot nematode, Present in India
b) Globodera rostochiensis-Golden nematode, present in India
c) Ditylenchus dipsaci-Stem & Bulb nematode, not reported in India
d) Ditylenchus destructor-Potato rot nematode, not reported in India
Q.34 Which of the following nematode produces symptoms on the above-ground part of the plant?
a) Anguina sp-Seed gall nematode
b) Rotylenchus sp-Spiral nematode
c) Xiphinema sp-Dagger nematode
d) Hoplolaimus sp-Lance nematode
Q.35 Elytra, a type of wing is present in
a) Water bugs-posses Hemelytra wing
b) Weevils & Beetles
c) Giant moths-Scaly wings
d) Earwigs-Tagmina (Fore wings)
Q.36 First report of association of root-knot (RKN) with Fusarium wilt was by
a) Butler-reported Ufra disease in Rice
b) Atkinson
c) Berkeley-First reported occurrence of root gall on glass house grown Cucumbers in
England
d) Barber-First reported plant parasitic nematode (RKN) in tea from South India
Q.37 Full form for MRL is
a) Maximum Reproduction Level
b) Maximum Residue Limit
c) Minimum Residue Level
d) Minimum Reproduction Level
Q.38 Fly, Delia is a pest of
a) Cassava tubers
b) Onion bulbs- Onion maggot fly (Delia antiqua)
c) Pumpkin fruit
d) Potato tubers
Q.39 Seed rate of rice in SRI method is:
a) 1-2 kg/ha
b) 2-4 kg/ha
c) 4-5 kg/ha Contact us: 8920321513
 d) 6-7 kg/ha
Q.40 Which of the following is called as the motherland of Plant Health Clinic?
a) Bolivia
b) U.S.A.
c) U.K.
d) India

Q.41 Stalked eggs are laid by

a) Caddisfly-Belongs to order Trichoptera
b) Green lacewings (Predators)- Belongs to order Neuroptera
c) Damsel flies- Belongs to sub order Zygoptera of Odonata
d) Dragon flies- Belongs to sub order Anisoptera of Odonata
Q.42 Cantharidin is extracted from
a) Mylabris sps
b) Maconellicoccus hirsutus- (pink, grape or hibiscus mealybug)
c) Serratia marcescens- Rod-shaped, Gram-negative bacteria
d) Dactylopius opuntiae- Effective against the weed prickly pear Opuntia stricta
Q.43 Halter is a modified wing in:
a) Dipteran-Halters act as a Gyroscopic (Balancing organs)
b) Dermapteran-Tagmina wings
c) Neuropteran- Membranous wings
d) Hemipteran-Hemelytra wings
Q.44 The Fruit-fly belongs to
a) Phycitidae-Contains Snout moths
b) Tephritidae
c) Tachinidae- Contains Tachinid flies
d) Coccinellidae-Contains Lady bird beetles
Q.45 Pulses are generally deficient in
a) Methionine- Sulfur containing essential amino acid
b) Tryptophan- Non-polar aromatic amino acid
c) Threonine- Essential & hydroxyl-containing amino acid
d) Lysine & Methionine –are deficient in Cereals
Q.46 The cowpea variety Gujarat cowpea 1 (GC1) is resistant to
a) Reniform nematode- Rotylenchulus reniformis
b) Root-knot nematode- Meloidogyne incognita Contact us: 8920321513
 c) Lesion nematode- Pratylenchus spp.
d) Stunt nematode- Tylenchorhynchus spp.
Q.47 Toxins of Bacillus thuringiensis (Bt) is
a) Protoplasmic poisons-Ex: Arsenical compounds.
b) Metabolic inhibitors- Ex: Inhibitors of enzymes
c) Neuro-active poisons- Organo Phopshates, Carbamates, Pyrethroids & Neo-nicotinoids
d) Stomach poisons- Deta endotoxins bind to midgut receptors and cause the pore
formation this leads to ionic imbalance and death of insects
Q.48 Which of the following crops is used as trap crop against tomato fruit borer?
a) Maize-act as a border crop in Chilli for trapping the sucking pests
b) Okra- trap crop for Spotted bollworm Earias spp
c) Mustard- trap crop for Diamondback moth (DBM), Plutella xylostella
d) African Marigold- (Tomato & Marigold -16:1 ratio)
Q.49 Leaves drying and developing chlorotic spots which coalesce into pale or silvery patches
followed by webbing is due to serious feeding by
a) Oligonychus indicus- Sorghum & Sugarcane leaf mite
b) Tetranychus cinnabarinus- carmine spider mite
c) Aceria cajani-Transmit the Redgram sterility mosaic virus
d) Aceria jasmine- Transmit the Erineum streak virus
Q.50 National Bureau of Agricultural Insect Resources in located at
a) New Delhi- National Centre for Integrated Pest Management (NCIPM)
b) Baramati- National Institute of Abiotic Stress Management (NIASM)
c) Srinagar- Central Institute of Temperate Horticulture (CITH)
d) Bengaluru – also contain Indian institute of Horticulture Research (IIHR)

Q.51 ‘Hopper burn’ is the result of attack of which of the following insect-pests?
a) Grasshopper-Cause irregularly cutting of leaf margins
b) Green leaf hopper-Cause Yellowing, stunting and withering of plants
c) Brown plant hopper
d) Rice Gundhi bug- Brown spot at the feeding site & effected grains turn into Chaffy
Q.52 First plant parasitic nematode reported is
a) Meloidogyne
b) Anguina
c) Heterodera
d) Pratylenchus
Contact us: 8920321513
Q.53 First transgenic crop plant developed is
a) Cotton- In India only one Bt crop allowed for commercial cultivation
b) Maize-2nd largest area under GM crops
c) Soybean-contains highest area under Genetically modified crops
d) Tobacco-Contains Herbicide resistance genes
Q.54 Day-degrees (DD) are calculated as
a)
2
b) 𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌 𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭 + 𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌𝐌 𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭
− 𝐋𝐋𝐋𝐋𝐋𝐋𝐋𝐋𝐋𝐋 𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝𝐝 𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭𝐭
𝟐𝟐
c) Maximum temp x Minimum temp
− Lower developmental threshold
2
d) Maximum temp − Minimum temp
+ Lower developmental threshold
2
Q.55 Typical leg type found in mole crickets
a) Fossorial also called as Digging type, Front legs are modified
b) Clasping legs-Holding type
c) Natatorial legs also called as Swimming type, present in hind legs of Water bugs & Water
beetles
d) Clinging legs also called as Scansorial, present in Head louse
Q.56 Bispyribac – sodium is used in rice
a) Pre planting incorporation (Ex. Fluchloralin)
b) Pre emergence (Ex. Butachlor 1.25kg/ha)
c) Early post emergence (Ex. Bispyribac – sodium)
d) Late post emergence (Ex. 2,4-D sodium salt (Fernoxone 80% WP)
Q.57 Which principle of management is involved in “Rabbing”?
a) Cultural
b) Physical
c) Biological
d) Chemical
Q.58 Which of the following is used for dividing into different agro-climatic zones?
a) Climate, topography, cropping pattern
b) Water surplus/deficit, cropping system
c) Crop growing period, soil
d) Disease epidemics and crop yield
Q.59 Which of the following essential elements is not part of any cell in plant?
Contact us: 8920321513
a) Carbon
 b) Boron
c) Potassium
d) Iron

Q.60 Pest control interventions as sprays, can be initiated at

a) Economic Threshold Level (ETL)
b) Economic Injury Level (EIL)
c) Damage Boundary (DB)
d) General Equilibrium Position (GEP)
Q.61 Corpora Allata (CA) are
a) Ectodermal in origin, neurohaemal organ
b) Endodermal in origin, glandular organ
c) Ectodermal in origin, glandular organ
d) Endodermal in origin, neurohaemal organ
Q.62 Honeybees belong to insect order
a) Hemiptera- Contains true bugs
b) Hymenoptera
c) Diptera- Contain true flies
d) Neuropteran- Contain Lacewings, Mantidflies, Antlions
Q.63 Vulval cone is used for identification of species under
a) Heterodera
b) Meloidogyne-Perennial pattern
c) Rotylenchulus-Matured females are Kidney shaped
d) Pratylenchus-Elliptical lesions on the infected roots
Q.64 Which of the following is TRUE statement?
a) Acetylcholine (Ach) can neither excite nor inhibit its target neurons
b) GABA is an inhibitory neurotransmitter
c) GABA is an excitatory neurotransmitter
d) GABA is both excitatory and inhibitory neurotransmitter
Q.65 The worst pesticide linked tragedy occurred in
a) Mumbai
b) Manipur
c) Bhopal-Bhopal Gas Tragedy happened 3rd December 1984 due to Methyl isocyanate
d) Imphal
Q.66 Bracon brevicornis is a parasitoid that parasitizes the insect at Contact
its us: 8920321513
 a) Egg-Trichogramatids
b) Larva
c) Pupal parasitoids -Trichospilus pupivora and Brachymera nephantidis
d) Adult- General wasps, flies
Q.67 PBW-343 is a variety of
a) Wheat
b) Rice
c) Maize
d) Mustard
Q.68 Which of the following is a salt tolerant variety of mustard?
a) CS 54
b) Gaurav
c) Avrodhi
d) Pant-4
Q.69 Which of the following is an anti-coagulant and rat-poison?
a) Aluminium phosphide- used as a fumigant in stored grain pests management
b) Zinc phosphide- Single dose acute rodenticide
c) Bromodiolone
d) Fenazaquin- Quinazoline group compound acts as a insecticide/acaricide

Q.70 The species of root-knot nematode infesting rice crop is

a) Meloidogyne javanica- Javanese root knot nematode
b) Meloidogyne arenaria-Peanut root knot nematode
c) Meloidogyne graminicola
d) Meloidogyne hapla-Northern root knot nematode
Q.71 The complementary interaction between inter-crops in their inter cropping is
a) Annidation
b) Allelopathy
c) Allo-inhibition
d) Interference
Q.72 In India, the most prevalent rice stem borer is
a) Chilo polychrysa- Dark-headed striped borer prevalent in southern Asia
b) Sesamia inferens-Pink stem borer prevalent in oriental region
c) Spodoptera mauritia- Paddy swarming caterpillar prevalent throughout the world
d) Scirpophaga incertulas- Prevalent throughout the world
Contact us: 8920321513
Q.73 ‘Raptorial’ type of legs is present in
a) Grasshoppers-Contain Saltatorial/Jumping type of legs
b) Locusts- Contain Saltatorial/Jumping type of legs
c) Cock roaches- Contain Ambulatory /Running type of legs
d) Praying mantis
Q.74 Tree-banding is followed as a management practice in mango crop for
a) Scale
b) Mealy bug
c) Thrips
d) Ants
Q.75 Which of the following is most studied and versatile of all entomo-pathogenic nematodes?
a) Steinemema scapterisci- Used for management of Mole crickets
b) Steinernema glaseri-For white grubs
c) Steinernema feltiae- For western flower thrips & Fungal gnats
d) Steinernema carpocapsae- used for management of cranberry girdler
Q.76 Codling moth is a major pest of
a) Avocado
b) Carambola
c) Apple
d) Khumani
Q.77 “Principles of insect morphology” was written by
a) R.H. Painter- Written Insect Resistance in Crop Plants
b) R.F. Chapman- Written The structure & function of insects
c) R.E. Snodgrass
d) R.H. Metcalf- Written Introduction to Insect Pest Management
Q.78 Clavin cycle is
a) Inhibited by light
b) Dependent on light
c) Independent of light
d) Supported by light
Q.79 Papaya ring spot virus is transmitted by
a) Aphids- Myzus persicae
b) Thrips
c) Whiteflies-Commonly transmit the leaf curl viruses
d) Mealy bugs Contact us: 8920321513
Q.80 Stubby root nematode is the common name of
a) Tylenchorhynchus spp- Stunnt& Stylet nematode
b) Hoplolaimus spp-Lance nematode
c) Tylenchulus semipenetrans- Citrus nematode, Citrus root nematode
d) Trichodorus & Paratrichodorus
Q.81 The full form of ‘IRAC’ is
a) Insecticide Registration Action Committee
b) Insecticide Regulation Adoption Committee
c) Insecticide Regulation Accreditation Committee
d) Insecticide Registration Action Committee
Q.82 ICAR-National Research Center for integrated farming system is located at
a) East Champaran, Bihar
b) Jhansi, U.P- Indian Grassland and Fodder Research Institute-(IGFRI)
c) Meerut, U.P.- Central Institute for Research on Cattle (CIRC)
d) Hazaribag, Jharkhand- Regional station Central Rain fed Upland Rice Research Station
Q.83 Which state has maximum area under sugarcane cultivation?
a) Maharashtra
b) Andhra Pradesh
c) Uttarpradesh
d) Tamilnadu
Q.84 Extra early ‘tur’ variety is
a) Pusa arhar
b) Virat
c) 1 PM 217
d) Bahar
Q.85 A toxin produced by one of the following is the base of Cartap hydrochloride an insecticide is
a) Actinomyces
b) Marine annelid- Lumbrineris heteropoda heteropoda
c) Penicillium
d) Cordyceps
Q.86 Type of antennae found in silkworm is
a) Bipectinate
b) Leamellate- (Present in Dung rollers, Chaffer & Rhinoceros beetles)
c) Clavate- (Present in Blister beetles)
d) Geniculate-(Present in Weevils) Contact us: 8920321513
Q.87 A phenomenon where a species is characterized by low reproductive rate and high survival rate
is called
a) r – strategy- High reproductive rate and low survival rate
b) k – strategy
c) r – k continuum strategy
d) q – strategy
Q.88 Most critical stage of irrigation for chickpea is
a) Branching
b) CRI
c) Tillering
d) Pre-flowering
Q.89 The posterior culticular pattern with squarish high dorsal arch, and the transverse striae forked
at the lateral sides is characteristic of
a) Meloidogyne incognita
b) Meloidogyne javanica
c) Meloidogyne arenaria
d) Meloidogyne hapla
Q.90 Which of the following is known as “Age of insects”?
a) Silurian
b) Devonian-Insects are originated (350-500 MYA)
c) Carboniferous
d) Permian
Q.91 State having highest area in rice is
a) West Bengal
b) Bihar
c) U.P.
d) Tamilnadu
Q.92 In which of the following insect order, halters are present?
a) Odonata
b) Diptera
c) Ephemeroplera
d) Plecoptera
Q.93 Intercropping is assurance against
a) Increasing yield
b) Increasing income Contact us: 8920321513
 c) Decreasing pest infections
d) Assurance against failure
Q.94 The insecticide known as contact & fumigant in action is
a) EDCT- Ethylene dichloride (3 parts)-carbon tetrachloride (1parts), liquid fumigant
b) EDB- Ethylene Di bromide used as a fumigant
c) DDVP- 2,2-dichlorovinyl dimethyl phosphate
d) Magnesium phosphide
Q.95 Complete metamorphosis is exhibited in which of the following insects?
a) Termites- Incomplete metamorphosis
b) Aphids- Incomplete metamorphosis
c) Ants
d) Thrips- Complete metamorphosis
Q.96 Which of the following soil is most suitable for growing vegetables?
a) Sandy loam
b) Loam
c) Sandy/
d) Clay
Q.97 Which of the following nematode is a migratory endoparasite
a) Meloidogyne incognita- Sedentary endoparasite
b) Rotylenchulus reniforms- Sedentary semiendoparasite
c) Tylenchulus semipenetrans- Sedentary semiendoparasite
d) Pratylenchus penetrans
Q.98 Avermectins (Abamectins) are derived from
a) Soil micro-organism- Streptomyces avermitilis
b) Soil macro- organism
c) Marine micro-organism
d) Marine macro-organism
Q.99 In which of the following insects, the male produces pheromone?
a) Trichoplusia- male produces
b) Ceratitis capitata- male produces
c) Anthonomas grandis- male produces
d) Leucinodes orbonalis- Female produce

Q.100 ICAR-NBPGR is located at

a) Hyderabad –Regional NBPGR Contact us: 8920321513
 b) Nagpur
c) New Delhi- Main center
d) Ludhiana
Q.101 White grub, Holotricha consanguinea prefers to copulate on trees of
a) Mango
b) Coconut
c) Babul
d) Neem
Q.102 Siphoning type of mouthpart is found in
a) Aphid- Piercing & Sucking type
b) Butterfly
c) Housefly- Sponging & Sucking type
d) Beetle- Biting & Chewing type
Q.103 ‘Paring and Pralinage’ is a practice followed to reduce the nematodes in
a) Coconut
b) Arecanut
c) Citrus
d) Banana
Q.104 ICAR – Directorate of Weed Science Research is located at
a) Hissar
b) Jabalpur
c) Thrissur
d) Hyderabad
Q.105 The life cycle of Meloidogyne incognita is completed in
a) 10 – 14 days
b) 20 -24 days
c) 28 - 32 days
d) 38 -42 days
Q.106 Kairomones are advantageous to
a) Releaser only-Allomones
b) Recipient only
c) Both Releaser and Recipient- Synomones
d) Neither Releaser nor Recipient-Antimones
Q.107 Nematodes always bend
a) Dorsally Contact us: 8920321513
 b) Laterally
c) Dorso-Ventrally
d) Dorso-laterally
Q.108 ICAR-NBAIR is located in
a) Ranchi
b) Bengaluru
c) Hyderabad
d) Mau
Q.109 The endospore producing obligate parasitic bacterium which is most extensively studied as
biological agent for root-knot nematode is
a) Bacillus thuringiensis (Bt)- Gram +ve, Spore forming, Facultative bacteria produce delta
endotoxins used as a bio-pesticide
b) Pasteuria penetrans
c) Streptomyces avermitilus-Soil bacterium from which Avermectins are extracted
d) Agrobacterium rudiobacter- Gram negative soil bacterium

Q.110 The stage of insect generally infected by Entomopathogenic nematodes is

a) Adult
b) Egg
c) Larva
d) Pupa
Q.111 Thai sac brood disease is caused by a
a) Virus
b) Bacterium
c) Fungus
d) Mite
Q.112 The young ones causing damage in case of fruit flies attacking mango and bitter gourd crops are

a) Grubs
b) Maggots
c) Nymphs
d) Caterpillars
Q.113 No metamorphosis is seen in the order
a) Thysanura
b) Thysanoptera- Paurometabolous but modified to resemble holometamorphosis
c) Isopteran- Hemi/Incomplete metamorphosis Contact us: 8920321513
 d) Orthoptera-Hemi/Incomplete/Pauro/Gradual metamorphosis
Q.114 Only thoracic legs are present in
a) Maggot
b) Grub
c) Caterpillar
d) Nymph
Q.115 Releaser effect pheromones operate through
a) Gustatory sensillae activated by Primer effect pheromones
b) Olfactory sensillae only
c) Both Gustatory and Olfactory
d) Neither Gustatory nor Olfactory
Q.116 An important insect-pest of wheat crop is India is
a) Odontetermes obsesus-Termite
b) Leptocorisa acuta-Rice Gundhi Bug
c) Longitarsus nigripennis-Pollu beetle, Major pest of Black pepper
d) Helopeltis antonil-Tea mosquito bug
Q.117 The polyphagous pest is
a) Spodoptera litura-Tobacco caterpillar
b) Spodoptera exigua- Beet armyworm
c) Agrotis spinifera- Cut worm
d) Phthorimoea operculella-Potato tuber moth
Q.118 The nematode used to control mosquito larvae
a) Romanomermis culicvorax-Mermethids
b) Bursaphelenchus lignicollis- Pine wood nematode
c) Radinaphelenchus cocophilus- Red ring nematode
d) Hoplolaimus seinhorst-Cotton lance nematode
Q.119 Which or the following produce alarm pheromone in aphids?
a) Antenna
b) Abdominal terga
c) Abdominal sterna
d) Cornicles

Q.120 Which of the following insects possess 6-segmented abdomen?

a) Thysanura – (Ex. silverfish or fish moths, and the firebrats)
b) Ephemeroptera- (Ex. Mayflies or Day flies) Contact us: 8920321513
 c) Collembolan- (Ex. Springtails)
d) Protura-(Ex. Telsontail or Proturans)
Q.121 Tea mosquito bugs attack
a) Tea and coconut
b) Cashew and coconut
c) Cocoa and cereals
d) Tea, cashew and cocoa
Q.122 Fore wings of Coleoptera are known as
a) Tegmina
b) Hemielytra
c) Elytra
d) Scales
Q.123 The insect which is pest in rice field as well as on stored paddy
a) Tribolium castaneum-Red flour beetle
b) Sitoplilus oryzae- Rice weevil
c) Corcyra cephalonica-Rice moth
d) Tetranychus urticae- Red spider mite or Two-spotted spider mite
Q.124 In case of fruit fly, pupation takes place
a) Inside the fruit
b) Inside the stem
c) In soil
d) Inside the leaf folding
Q.125 Amount of 20% EC chlorpyriphos required to prepare 1 liter of spray solution of strength
0.02% is
a) 1 ml
b) 2 ml
c) 5 ml
d) 10 ml
Q.126 Number of segments (may be independent or fused) in a typical insect head is

a) Four
b) Five
c) Six
d) Seven
Q.127 The nematode, Purpuriella lilacinum is parasitic to Contact us: 8920321513
 a) Egg
b) Larva
c) Adult
d) Pre-adult
Q.128 Which of the following was introduced from India to the Caribbean for the management of
pink hibiscus mealy pug?
a) Cryptotaemus montrouzieri-Lady bird beetle-General predator on Mealybugs
b) Cheilomenes Sexmaculata- Ladybird beetle, General predator on Aphids
c) Mallada boniensis-Lace wing, General predator on soft bodied insects
d) Chrysoperla carnea-Green lace wing, General predator on soft bodied insects
Q.129 Which Basmati variety of rice earns maximum foreign exchange for India?
a) Pusa Sugandha – 5
b) Pusa Basmati – 6
c) Pusa Basmati – 1121
d) Pusa Basmati – 1718
Q.130 Yellow triangle on the pesticide container relates to the toxicity level as
a) Extremely toxic-Red triangle
b) Slightly toxic-Green triangle
c) Moderately toxic-Blue triangle
d) Highly toxic
Q.131 Analysis of variance is used for testing the quality of
a) Two population variance
b) More than two population variance
c) Two population means
d) More than two population means
Q.132 Hyper metamorphosis occurs in
a) Tupulidae
b) Meloidae (Ex. Blister beetles)
c) Curculionidae
d) Cicindellidae
Q.133 Which of the following at adult stage is parasitic insects
a) Boophilus
b) Aceria
c) Strepsipterans-Twisted winged endoparasitoids
d) Tetrastichus Contact us: 8920321513
Q.134 Which of the following pesticides acts as an anticoagulant in rodents?
a) Zinc phosphide-Single dose, Acute rodenticide
b) EDB- Ethylene Di bromide, act as Fumigant
c) Bromadiolone
d) Dimilin- Diflubenzuron an insecticide of the Benzoyl urea, act as Chitin synthesis
Inhibitor
Q.135 Clipping of tips of rice seedlings before transplanting is suggested against
a) Rice leaf folder
b) Yellow stem borer
c) Rice gall midge
d) Rice Mealy bug
Q.136 Large phasmids are present in

a) Longidorus
b) Xiphinema
c) Scutellonema
d) Paralongidorus
Q.137 The most important part of a nozzle in atomization of spray liquid is
a) Gasket
b) Disc
c) Swirl plate
d) Strainer
Q.138 Aluminium phosphide is available in the form of
a) Tablet only
b) Liquid only
c) Both tablet and bait (3grams of one tablet produces 1g of Phosphine gas)
d) Tablet, bait and liquid
Q.139 Pollination aided by bees is known as
a) Myophily- Flies (Syrphid flies)
b) Melittophily
c) Phalaenophily- Small moths
d) Psychophily-Butterflies
Q.140 ‘Day wilt’ or ‘Incipient wilt’ symptom is associated with the infestation by
a) Root-knot nematode
b) Reniform nematode Contact us: 8920321513
 c) Lesion nematode
d) Citrus nematode
Q.141 Which of the following belongs to organo-phosphates?
a) Deltamethrin- Synthetic pyrethroid
b) Imidacloprid-Neo nicotinoid
c) Dicofol-Organo chlorine
d) Dichlorvos
Q.142 Rapid build-up of Pyrilla perpusilla is favored by application of high does of
a) Potash-Imparts the resistance against pests & diseases
b) Phosphorus- Initiate the root growth
c) Nitrogen
d) Calcium- Act as flocculating agent
Q.143 NIPHM is located at
a) Faridabad
b) Hyderabad
c) New Delhi
d) Chennai
Q.144 Frenate wing coupling mechanism occurs in
a) Coleopteran
b) Diptera
c) Lepidoptera
d) Odonata
Q.145 Silk – the valuable natural protein fibre produced by silkworms consists of
a) 75% of tough elastic protein – ‘fibroin’ and 75% of gelatinous protein – ‘Sericin’
b) 25% of tough elastic protein – ‘fibroin’ and 25% of gelatinous protein – ‘Sericin’
c) 75% of gelatinous protein – Fibroin and 25% of tough elastic protein –‘Sericin’
d) 25% of gelatinous protein – fibroin and 75% of lough elastic protein –‘Sericin’
Q.146 In India, aircraft was used for the first time in insect-pest control of
a) The mosquito bug control in cashew plantations
b) Mosquito control in Delhi

c) Control of Desert Locust

d) Helicoverpa control in Cotton
Q.147 The ideal leaf waste used for Bio-fumigation
a) Carrot and Potato Contact us: 8920321513
 b) Cabbage and Cauliflower
c) Tomato and Brinjal
d) Chilli and Bhendi
Q.148 Azadirachtin, an active molecule is present in
a) Acorus
b) Datura
c) Neem
d) Pongamia
Q.149 Which of the following is known as Dammer bee?
a) Trigona iridipennis-Sting less bee
b) Apis andreniformes- Black dwarf honey bee
c) Apis laboriosa- Himalayan giant honey bee, world's largest honey bee
d) Apis florea- Little bee
Q.150 Insect the attacks crop in field and stored produce is
a) Nilaparvata lugens-BPH
b) Callosobruchus chinensis- Pulse beetle
c) Helicoverpa armigera-Gram pod borer
d) Rhizopetha dominica-Lesser grain borer, Pest of un husked Paddy
Q.151 Insect that cuts the seeding from soil surface is
a) Agrotis ipsilon- Cut worms
b) Chilo partellus- Sorghum stem borer
c) Spodoptera frugiperda-Maize Fall Army Worm
d) Sitotroga cerelella- Angoumois grain moth
Q.152 Root-knot nematode (RKN) species infesting acid lime is
a) Meloidogyne indica
b) Meloidogyne javanica-Rice, Javanese RKN
c) Meloidogyne hapla-Vegetables, Northern RKN
d) Meloidogyne citri-Cirus
Q.153 Deep ploughing in summer is done to manage
a) Seed born nematodes
b) Air borne nematodes
c) Soil born nematodes
d) Animal borne nematodes
Q.154 The part of nematode oesophagus secretory in function is
a) Pro corpus Contact us: 8920321513
 b) Meta corpus
c) Post corpus
d) Isthmus
Q.155 Typical horn type structure is present on head region of
a) Khapra beetle
b) Termite queen
c) Termite soldier
d) Membracids-Tree hoppers
Q.156 As per the earliest record, twelve Indian insects were included in which of the following
classical books?
a) Entomologia systematica-Written by J.C.Fabricius
b) Systema Naturae-Written by Carolus van Linnaeus, Father of Taxonomy
c) Indian Insect life- Written by Maxwell Lefroy
d) Elements of Economic Entomology- Written by V.V. Ramamurthy & Vasantharaj David
Q.157 How many oesophageal gland nuclei are present in Dorylaimid nematodes?
a) 1
b) 3
c) 5
d) 7
Q.158 Which of the following does NOT feed on cabbage?
a) Brevicoryne brassicae- Cabbage aphid
b) Myzus persicae- Green peach aphid
c) Lipaphis erysime- Mustard aphid or turnip aphid
d) Aphis craccivora- Black or Bean aphid
Q.159 The correct sequence of lac production is
a) Stick lac Crushed lac Seed lack Shellac
b) Crushed lac  Stick lac Seed lack  Shellac
c) Stick lac Seed lack  Crushed lac  Shellac
d) Stick lac Crushed lac  Shellac Seed lack
Q.160 Eri-silk is reared on
a) Mulberry- Mulberry silkworm host
b) Acacia
c) Terminalia-Tassar silk worm host
d) Castor
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