Entomology 03 — Agri Master Mind

Clasping types of legs are modified for the purpose of -
  • Swimming
  • Reproduction
  • Digging
  • Sucking
On the basis of number of spiracles opening, grasshopper have respiratory system-
  • Propneustic
  • Metapneustic
  • Holopneustic
  • Amphipneustic
Scape is a basal part of
  • Antennae
  • Leg
  • Mouth parts
  • Abdomen
Which chemical is used to attract the sexually mature insects?
  • Attractant
  • Chemosterilants
  • Repellent
  • Pheromones
Honey bee helps in plant pollination upto -
  • 25-30%
  • 40-50%
  • 65 70%
  • 85-90%
Phorate belongs to insecticide group-
  • Chlorinated hydrocarbon
  • Organophosphate
  • Carba mate
  • Synthetic pyrothroid
Which one is used for inoculation of host trees for lac cultivation
  • Seed lac
  • Brood lac
  • Phunki lac
  • Ari lac
Zinc phosphide is used to control -
  • Birds
  • Reptiles
  • Cockroaches
  • Rats
Which of the following is parasitic protozoan attacking silk worm?
  • Laptomonas pyrrhocoris
  • Malpighamoe bamellifica
  • Adeline tipulue
  • Nosema bombycis
Understanding of which system is essential for implementation of integrated pest management programme ?
  • Cropping system
  • Agro-ecosystem
  • Nervous system
  • Soil type
The Trichogramma chilonis is a parasitoid of-
  • Egg
  • Larva
  • Adult
  • Pupa
Which of the following disease is transmitted by housefly?
  • Malaria
  • Kala azar
  • Cholera
  • Bubonic plague
Bubonic plague is transmitted by which of the following insects?
  • Housefly
  • Rat flea
  • Sandfly
  • Mosquito
Precursor for isoquinoline group of alkaloid is –
  • Tryptophan
  • Tyrosine
  • Omithine
  • Lysine
Exoskeleton of insect is made up of-
  • calicium and protein
  • Calcium and chitin
  • Chitin and protein
  • Calcium, chitin and protein
Saltatorial type of leg is found in-
  • Grasshopper
  • Mole cricket
  • Preying mantis
  • Cockroach
Plumose type of antennae is found in-
  • Moth
  • Termite
  • Mosquito
  • Grasshopper
The genital organs of female grasshopper are located on
  • 8th abdominal segment-
  • 8th & 9th abdominal segment
  • 9th abdominal segment
  • 10th abdominal segment
Hamulate type of wing coupling mechanism is found in
  • Grasshopper
  • Honeybee
  • Bugs
  • Butterflies
How many pairs of spiracles are present in the thorax of grasshopper?
  • One pair
  • Two pairs
  • Three pairs
  • Four pairs
Who is known as father of insect physiology-
  • Imms
  • R.F. Chapman
  • S. E. Snodgrass
  • V.V. Winglessworth
In bug type mouth parts the food chanal is formed by-
  • Mandibles
  • Maxillae
  • Labium
  • Labrum
Food lures (baits) are commonly used to control
  • Fruit fly
  • Mustard fruit fly
  • Locust
  • Grasshopper
Internal feeder is-
  • Tribolium castaneum
  • Trogoderma granarium
  • Corcyra cephalonica
  • Sitophilus oryzae
Attack of Katra (Amsacta moorei) can be checked by -
  • Ploughing of field
  • Digging trenches around the field
  • Burning larva
  • None of the above
Chlorpyriphos comes under the group of -
  • Synthetic pyrethroids
  • Carbamates
  • Chlorinated hydrocarbons
  • Organophosphates
Onion thrips lay eggs -
  • Kidney shaped
  • Round shaped
  • Oval shaped
  • Boat shaped
Coccus viridis is a insect pest of -
  • Coconut
  • Coffee
  • Cashew
  • Almond
Bacillus thuringiensis is used for the control of-
  • Grasshopper
  • Termites
  • Tomato fruit borer
  • Cotton whilefly
Which of the following is a systemic insecticide-
  • Parathion
  • Malathion
  • Chloropyriphos
  • dimethoate
Light trap is used for the control of-
  • Jassid
  • Mustard sawfly
  • Thrips
  • Red hairy caterpillar
Pest of sorghum belonging to order Diptera is -
  • Chilo partellus
  • Rhopalosiphum maidis
  • Atherigona soccata
  • Bagrada cruciferrum
Emmalocera depressella is belongs to family-
  • Pyralidae
  • Noctuidae
  • Gelechidae
  • Curculionidae
Grassy stunt virus disease of paddy is transmitted by-
  • Nilaparvata lugens
  • Thrips tabaci
  • Tryporyza incertulus
  • Bamisia tabaci
Plume moth belongs to family-
  • Arctiidae
  • Pyralidae
  • Noctuidae
  • Pterophoridae
Name of egg parasitioid which is commercially produced and sold in India-
  • Telenomus sp.
  • Trichogramma sp.
  • Platytenomus sp
  • None of the above
Chemicals used to kill mites are called-
  • Insecticide
  • Nematicide
  • Rodenticide
  • Acaricide
Bt genes of cotton is effective against-
  • Orthopteran insects
  • Hemipteran insects
  • Lepidopteran insects
  • Sucking insects
Bt. is formulated under the trade name of --
  • Confidor
  • Monocil
  • Dipel
  • Achook
Methoprene is the example of-
  • Attractants
  • Repellants
  • Juvenile hormone
  • Chemosterilants
Device fitted at the end of spray lance used for automization is
  • Hose
  • Cut-off device
  • Nozzle
  • Boom
Commonly used insecticide for stored grain pest's control -
  • Malathion
  • Carbaryl
  • Aluminium phosphide
  • Traizophos
Amritodus atkinsoni is a major pest of -
  • Mango
  • Banana
  • Guava
  • Pomegranate
The remigium is releted to -
  • Wing
  • Eye
  • Leg
  • None of them
Grasshopper has total pair of spiracles -
  • 8
  • 9
  • 10
  • 11
Whitefly belongs to order
  • Diptera
  • Hemiptera
  • Hymenoptera
  • Odonata
Insect belonging to Exopterygota has which type metamorphosis-
  • Complete metamorphosis
  • Ametamorphosis
  • Incomplete metamorphosis
  • None of these
Which of the following insecticide does not pollute the soil?
  • Endosulfan (granules)
  • Chlorphriphos (E.
  • )
  • Azadiractin
Generally in insects the thickness of epicuticle is -
  • 1-4 µ
  • 10-15 μ
  • 100-150 μ
  • None of the above
The major constituent of procuticle is -
  • Keratin
  • Chitin
  • Sclerotin
  • None of the above