RPSC Rajasthan ARO Entomology 2024 Solved Paper (English) — Agri Master Mind
Which method is the part of physical control in IPM?
- Sound
- Pesticide
- Collection and destruction by machine
- Crop rotation
Which part of thorax is known as pterothorax?
- Meso and Metathorax
- Metathorax
- Mesothorax
- Prothorax
Which of the following pair/s is/are correctly matched?
Melander - Resistance to San Jose scale against lime sulphur
Quayle - Resistance to California red scale against Hydrogen cyanide
Grayson and Cochran - Bio-assay technique
LD50 - Microgram per gram of body weight
Melander - Resistance to San Jose scale against lime sulphur
Quayle - Resistance to California red scale against Hydrogen cyanide
Grayson and Cochran - Bio-assay technique
LD50 - Microgram per gram of body weight
- Only (b)
- Only (a), (b) and (d)
- Only (b), (c) and (d)
- Only (a)
Helopeltis theivora is a major pest of -
- Rubber
- Coffee
- Tea
- Arecanut
In India, the first pesticidal major accident occurred in 1958 in which more than 100 people died in Kerala due to the consumption of wheat flour and sugar contaminated with which of the following insecticide?
- Malathion
- Methyl isocyanide
- Parathion
- Carbaryl
Application of lower dose of insecticide than that which kill all susceptible individuals to preserve sufficient susceptible genes is a type of insecticide resistance management strategy -
- Moderation
- Saturation
- Management by multiple attacks
- Both (2) and (3)
Van Wisselingh’s test is associated with
- Bursicon
- Protein
- Cuticle
- Chitin
Which pathogen causes Pebrine disease in silkworms?
- Streptococcus spp.
- Bacillus thuringiensis
- Nosema bombycis
- Beauveria bassiana
Which bee product has melittin compound?
- Pollen
- Bee-venom
- Royal jelly
- Honey
Storage pests mostly cause damage to seeds under storage conditions but which one of the following insects damage both in field as well as storages?
- Stegobium paniceum
- Systole albipennis
- Lasioderma serricorne
- Rhyzopertha dominica
Haemoglobin is found in the blood of -
- Chironomous larvae
- Spodoptera litura larvae
- Helicoverpa armigera larvae
- Earias vitella larvae
Scientific name of Giant African Snail is -
- Boselaphus tragocamelus
- Lepus nigricollis
- Achatina fulica
- Pteropus giganteus
Classification based on the branching pattern of the evolutionary history of an organism or taxonomic groups is called -
- Upward classification
- Horizontal classification
- Biological classification
- Phylogenetic systematics
A compound in maize that confers resistance against the first generation of European corn borer –
- Farnesol
- DIMBACA
- DIMBOA
- DIMBA
The level of taxonomy concerned with the naming and describing of species is called as -
- Alpha taxonomy
- Vertical classification
- Beta taxonomy
- Gamma taxonomy
The damage symptoms of Riptortus Pedestris in moong bean is -
- Distorted and hollowed out pods filled with frass
- Shrivelled, rough and rugged seeds
- Yellowing of leaves and reduced growth
- Silken threads inside the infested pods
Rice weevil hibernates in which of the following stage?
- Pupa
- Larve
- Egg
- Adult
In grassland ecosystem, pyramid of number is always -
- Upright
- Inverted
- Both upright and inverted
- Parallel
Most of the butterflies form exposed pupa that are known as -
- Stadium
- Decticous pupa
- Chrysalis
- Exarate pupa
The grubs are legless in the family -
- Dermestidae
- Bruchidae
- Curculionidae
- Coccinellidae
Which helps in the digestion of cellulose in wood-feeding termite?
- Amylase
- Trichonympha
- Maltase
- Protease
Where is the Indian Institute of Toxicological Research situated?
- Mysuru
- Lucknow
- Gandhinagar
- New Delhi
Cholera, a common disease in humans is associated with one of the following -
- Housefly
- Bed bug
- Sandfly
- Mosquito
Telenomus beneficiens is the natural enemy of which insect pest?
- Chilo auricilius
- Scirpophaga excerptalis
- Chilo infuscatellus
- Pyrilla perpusilla
Which insect pest was controlled by Rodolia cardinalis introduced from Australia to USA?
- Woolly apple aphid
- Cottony cushion scale
- Coconut leafminer
- San Jose scale
The recommended trap crop for IPM of diamond back moth on cabbage is -
- Indian Mustard
- Turnip
- African Marigold
- Radish
Which of the following term is used for maximum reproductive capacity of a population of an organism under favourable environmental conditions?
- Environmental resistance
- Carrying capacity
- Biotic potential
- Population regulation
Which the following condition is favourable for insecticide effectiveness?
- Application of aerosols above wind velocity of more than 6 km/hr
- Dusting from aircraft during noon
- Wind velocity more than 8 km/hr
- Dusting the plants in the morning when there is dew on plants
Which is the treatment for the poisoning of allethrin and permethrin?
- PAM
- Atropine
- Phenobarbital
- Diazepam
Which of the following insect have cannibalism?
- Leaf webber
- Red cotton bug
- Whiteflies
- Aphids
The first Act in India was passed in 1906 under the Sea Customs Act of 1878 to stop the entry of pest -
- Mexican cotton boll weevil
- Cottony cushion scale
- Rice Weevil
- San Jose scale
Find the odd one out -
- Detritus food chain depends on solar energy.
- Detritus feeding organism is called detritivores.
- Detritus food chain starts from dead organic matter.
- The passage of nutrients and energy takes place through assemblage of unsaturated decomposers.
Red cotton bug, Dysdercus koenigii (Fabricius) belongs to the family -
- Pyrrhocoridae
- Cimicidae
- Lygaeidae
- Coreideae
Which stage of Khapra beetle causes damage to storage grains?
- Adult stage
- Larval stage
- Both adult and larval stages
- Only adult female stage
The scientific name of sugarcane early shoot borer is -
- Agrotis ipsilon
- Emmalocera depressella
- Chilo infuscatellus
- Bemisia tabaci
Eight pairs of abdominal prolegs are found in -
- Cabbage caterpillar
- Mustard saw fly
- Painted bug
- Mustard aphid
Who proposed first time the term Pheromone?
- T.V. Prasad
- S. Pradhan
- Karlson and Luscher
- R.F. Chapman
When two or more pesticides are sprayed simultaneously in the same operation to minimize the cost of labour without affecting their efficacy, no phytotoxic effect, it is called as
- Selectivity
- Compatibility
- Susceptibility
- Phytotoxicity
What would be concentration of fenvelerate 20 EC when 200 ml is dissolved in 500 litres of water?
- %
- %
- %
- %
Which host plant is used for commercial lac culture?
- Kusum
- Kachnar
- Pipal
- Pigeonpea
The first used arsenical compound for the control of colorado beetle in 1865 was
- Lead arsenate
- Calcium arsenate
- Paris green
- Zinc arsenate
Pharyngeal gland in honeybee is responsible to produce -
- Lipid epicuticle
- Honey dew
- Protective fluid
- Royal jelly
Which insect is primary storage pest?
- Rice weevil
- Rust red flour beetle
- Saw-toothed beetle
- Flat grain beetle
Each level of food in food chain is called as -
- Primary consumer
- Primary producer
- Food web
- Trophic level
Cryptonephridial condition of Malpighian tubules in insects enables the insects for -
- excretion of nitrogenous waste material in hindgut
- excretion of ammonia
- absorption of waste material from haemolymph in body cavity
- absorption of moisture from faecal material
The biological system remaining in a state of equilibrium while maintaining balance between favourable and unfavourable factors is known as -
- Niche
- Habitat
- Homeostasis
- Ecotone
The polyhedra of Nuclear Polyhedrosis virus are formed in -
- Body cavity
- Cell nucleus
- Midgut
- Intestine
A chemical indicator used by Dennis and Decker in the year 1962 to detect hidden infestation in stored grains was -
- Sodium hydroxide
- Ninhydrin
- Iodine sulphate
- Berberine sulphate
Which sheet is used between both the brick walls in Pusa bin storage structure?
- Polythene sheet
- Iron sheet
- Aluminium sheet
- Wood-plastic Composite sheet
Which of the following sentence is correct?
- Median tolerance limit of the toxicant is expressed in terms of ppm.
- The acute oral toxicity have more practical significance over the dermal oral toxicity.
- In general, the acute dermal toxicity values are lower than the acute oral toxicity values.
- If the LD50 value is lower then the toxic nature of the toxicant will be less.
In which year Bt cotton was permitted for cultivation in India?
Which one of the following insects is external feeder of stored grains?
- Stegobium paniceum
- Pachymeres gonagra
- Caryedon serratus
- Cadra cautella
When the host has been parasitized by more than one species, it is called -
- Pseudoparasitism
- Multiparasitism
- Hyperparasitism
- Superparasitism
Bhopal tragedy is due to leakage of the gas -
- Phosphine
- Oxygen
- Methane
- Methyl isocyanate
“Mantophasmatodea” is a -
- Super order of insects
- Newly added order of insects
- Super family of insects
- Super class of insects
Transgenic tomato expressing ______ have been produced which are resistant to lepidopteran pests.
- a-Amylase inhibitor
- Delta endotoxin
- Cowpea trypsin inhibitor
- Lectins
SmartStax maize is developed by combining four distinct events to incorporate eight different genes into a single maize hybrid which includes -
- Four for insect resistance and four for herbicide tolerance
- Five for insect resistance and three for herbicide tolerance
- Six for insect resistance and two for herbicide tolerance
- Seven for insect resistance and one for herbicide tolerance
A gene from cowpea (Vigna unguiculata) coding for production of a trypsin inhibitor, when introduced in tobacco, shows resistance against -
- Spodoptera litura
- Tenebrio molitor
- Manduca sexta
- Heliothis virescens
Which of the following is pupal parasitoid?
- Telenomus remus
- Tetrastichus israeli
- Cotesia plutellae
- Trichogramma chilonis
Which among the following does not belong to type I generation in synthetic pyrethroid group?
- cypermethrin
- allethrin
- resmethrin
- permethrin
In male grasshopper, genital organs are found on which abdominal segment(s)?
- th abdominal segment
- th abdominal segment
- th & 9th abdominal segment
- th abdominal segment
Which one of the following is considered as ‘True Lac’?
- Kusumi lac
- Molemma
- Shellac
- Stick lac
Which honey bee species collect propolis?
- Apis mellifera
- Apis cerana
- Both Apis mellifera and Apis cerana
- Apis dorsata
Bipectinate type of antenna is found in -
- Moth
- Honey bee
- Housefly
- Silk moth
How much quantity of spray fluid is required in one hectare crop area as ultra low volume spray?
- Less than 1.0 litre
- 5.0 litre
- 10.0 litre
- 20.0 litre
What is the new name of The Commonwealth Institute of Biological Control (CIBC), Indian Station?
- Project Directorate of Biological Management
- National Bureau of Agricultural Insect Resources
- Project Directorate of Biological Control
- National Bureau of Agriculturally Important Insects
The family of leaf miner is -
- Agromyzidae
- Carnidae
- Tephritidae
- Asteiidae
The dead-leaf butterfly while resting among leaves provides a striking resemblance to the leaves, is a type of -
- Aggregation mimicry
- Concealing mimicry
- Aggressive mimicry
- Warning mimicry
Who is the head of Central Insecticide Board and Registration Committee?
- Dr. Subhash Chand
- Dr. Abraham Verghese
- Dr. M.K. Dhillon
- Dr. J.P. Singh
The body character of insect that does not provide protection against contact insecticides -
- Thick waxy secretion on body of mealybugs
- Thin wax layer of epicuticle
- Hair covering of hairy caterpillars
- Hard elytra of beetles
Deltamethrin is the synthetic pyrethroid of which generation in synthetic pyrethroid group?
- I Generation
- IV Generation
- II Generation
- III Generation
The duration for the development of an Apis mellifera drone, from an egg to adult is
- days
- days
- days
- days
The droplet size in mist spray is -
- µm
- µm
- µm
- µm
The eggs laid by female moth of castor semi-looper, Achaea janata are
- Oval and ridged eggs in clusters
- Flattened eggs in clusters
- Dome shaped eggs singly
- Rounded and ridged eggs singly
The GEP lies well above the DB and EIL always in which pests?
- Seasonal pest
- Minor pest
- Key pest
- Potential pest
Which of the following habitats is suitable for the larval stage of Aedes aegypti?
- Water
- In the soil
- On the soil
- Both (2) and (3)
What is the source of Rotenone?
- Derris elliptica
- Chrysanthemum cinerariaefolium
- Ryania speciosa
- Quassia amara
Find out the incorrect sentence from the following -
- The valves maintain direction of the flow of the spray fluid.
- A good hose should be heavy, absorbent and oil susceptible.
- Pressure gauge helps to assess if other parts of the sprayer are functioning properly.
- Booms are usually used for treating row crops.
In Alfalfa, Cry1C gene is responsible for resistance against which insect?
- Phthorimaea operculella
- Chilo suppressalis
- Plutella xylostella
- Spodoptera littoralis
Which one of the following varieties of rice is resistant to hoppers, borers and midges?
- IR-36
- Shakti
- Ratna
- Jyoti
The only specimen known at the time of description is known as -
- Holotype
- Neotype
- Lectotype
- Paratype
Mediproboscis in sponging type mouth parts is also known as
- Haustellum
- Rostrum
- Labellum
- Labium
Streak virus disease of peas is transmitted by which one of the following insect?
- Onion thrips
- Green leafhopper
- White backed planthopper
- Zig-Zag leafhopper
The concept of “Protective Population Management” was given by Geier and Clark in the year -
Resistance against all the known biotypes of insects is called as -
- Monogenic resistance
- Non-specific resistance
- Specific resistance
- Vertical resistance
John Comstock and George Needham, in 1898 developed the system of -
- Feeding mechanism in insects with sponging type of mouth parts
- Feeding mechanism in insects with siphoning type of mouth parts
- Feeding mechanism in chewing & lapping type of mouth parts
- Nomenclature of veins on an insect wings
In insects, “tentorium” is a -
- Exoskeleton of head
- Inverted ‘Y’ shape suture on head
- Endoskeleton of head
- Area on the head between two eyes
The primary vector for Tungro disease in rice is -
- Brown plant hopper
- White backed plant hopper
- Zig-Zag leafhopper
- Green leafhopper
Chagas disease in man and some vertebrates is transmitted by -
- Triatoma sp.
- Arcyophora sp.
- Glossina sp.
- Lobocraspis sp.
A population or group of individuals of identical genotype is known as
- Taxon
- Sibling species
- Biotype
- Subspecies
Under Insecticide Act, 1968 who is empowered to frame the insecticide related rules?
- Central Government only
- State Government only
- Both Central as well as State Government
- Central Insecticides Board
Total amount of heat units required for development of an insect stage is called -
- Optimum temperature
- Thermal constant
- Minimum required temperature
- Maximum required temperature
Which one of the following gene is responsible for development of transgenic maize resistant against European corn borer?
- Cry1Ac
- Cry1Ab and Cry1Ac
- Cry2b
- Cry1Ab
Tetragonula iridipennis inhabits crevices in walls and hollow tree trunks and constructs combs madeup of -
- Cerumen
- Wax
- Propolis
- Dirt materials
Which of the following sentence is incorrect?
- Diapause is valuable adaptation…
- Chitinous exoskeleton provides area…
- Non-functional wings increased the chances…
- Smaller individuals are able to survive…
The energy flow in an ecosystem is -
- Bidirectional
- Unidirectional
- Multidirectional
- Both (1) and (3)
Recommended dose of Aluminium Phosphide 56% (3g Tablet) for empty godowns with the exposure period is -
- tablets/1000 m³ for 12 hrs
- tablets/1000 m³ for 72 hrs
- tablets/1000 m³ for 72 hrs
- tablets/1000 m³ for 12 hrs
Emamectin benzoate 5 SG acts as -
- Contact and Stomach insecticide
- Contact and Systemic insecticide
- Systemic insecticide
- Fumigants and Stomach insecticide
Genetic Engineering Appraisal Committee (GEAC) has been established under the Ministry of -
- Environment, Forest and Climate Change
- Agriculture and Farmers’ Welfare
- Science and Technology
- Scientific and Industrial Research
Eublemma amabilis is a larval predator of -
- Bombyx mori
- Kerria lacca
- Apis mellifera
- Antheraea paphia
Who first defined the term “Economic threshold level”?
- Pedigo et al. 1986
- Stern et al. 1959
- Pedigo and Higley 1992
- Bruce et al. 1966
Silk fiber is composed of -
- Fibroin (70-80%) and Keratin (20-30%)
- Fibroin (20-30%) and Sericin (70-80%)
- Fibroin (70-80%) and Sericin (20-30%)
- Cellulose (50%) and Keratin (50%)
For DNA barcoding of insects, the standard DNA barcode region used is a part of -
- EF-1a gene
- ITS region
- S rRNA
- COI gene
Refugia, a strategy used in combination with Bt crops, involves planting -
- a trap crop to attract and kill pests.
- different types of Bt crops in the same field.
- non-Bt crops near the Bt crops as refuge for susceptible pest population.
- same Bt crops in a different field.
The heartbeat of insects is controlled
- by Vessels
- Naturally or by hormone
- by Aorta
- Neurogenically
The lesser grain borer hibernates in the stage -
- Egg
- Grub
- Adult
- Grub and Adult both
Chlorantraniliprole 18.5% SC belongs to group -
- Neonicotinoid
- Phthalic diamide
- Anthranilic diamide
- Phenyl pyrozole
What is the scientific name of Tasar silkworm?
- Antheraea assamensis
- Bombyx mori
- Philosamia ricini
- Antheraea mylitta
The toxicity of malathion to insects is due to which action in insect body?
- Higher production of malaoxon
- Hydrolysis by carboxylesterase of malathion
- Hydrolysis by carboxy amidase of malathion
- Conversion of malathion into malathion monoacid and diacid
Which of the following insect’s family includes parasitic insects?
- Acrididae
- Coccinelidae
- Jassidae
- Chalcidae