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Agril Entomology-9

Q.1
Maximum cases of resurgence in insects were recorded in order__________.

Coleoptera
Lepidoptera
Homoptera
Diptera


Q.2
Ability of chemical to bring about changes in the biological system of the target animal is known as__________.
Toxicity
Hazards
KT50
LT50


Q.3
Azadirachtin structurally similar to the insect moulting hormone_________.
Eclosion
Ecdysone
Juvenile hormone
All these


Q.4
Concentration of residue in or on the food when first offered for consumption_________.
Food factor
Minimum residual limit
Maximum residual limit
Acceptable daily intake


Q.5
A poison which kill the insect by exerting a physical effect are known as__________.
Physical poison
Protoplasmic poison
Nerve poison
Respiratory poison


Q.6
A branch of medical science that deals with the nature, properties, effect and detection of poison____________.
Toxicology
Toxicity
Acute toxicity
All these

Q.7
An increase in the bioactivity of two compounds to produce an effect greater than the one expected from a single algebraic summation of the effect of two compounds_________.

Antagonism
Synergism
Bio-efficacy
None


Q.8
Rotenone is derived from which plant parts of Derris elliptica?
Flower
Stem
Seed
Root


Q.9
Imidacloprid belongs to which group?
Neonicotinoids
Phenylpyrazole
Carbamates
Organophosphate


Q.10
Determination of relative toxicity of insecticides by studying and examining their effects on living organism_______.
Bioecology
Chronic toxicity
Bioassay
None of these


Q.11
Carbaryl belongs to______.
Organophosphate group
Synthetic pyrethroids group
Carbamate group
Nicotinoid group


Q.12
Pyrethrum was prepared from______.
Rose
Chrysenthamum
Pine
Neem


Q.13
BHC was first synthesized by________.
Faraday
Othler zeidlar
Painter
Srivastava


Q.14
An ability in a strain of insect to tolerate a doses of toxicant which would prove lethal to majority if the individuals in a normal population_________.
Metabolism
Resurgence
Residue
Resistance


Q.15
Daily intake of chemical, which during an entire life time will not cause any appreciable risk is_______.
Accepted chemical intake
Maximum residue level
Acceptable daily intake
Minimum residue limit


Q.16
Which of the following insecticides belongs to oxadiazine group?
Indoxacarb
Imidacloprid
Fipronil
All the three


Q.17
An increase in population of target insect after insecticidal spray is referred as________.
Secondary pest outbreak
Resistance
Resurgence
Replacement


Q.18
The Government of India passed the “Insecticide act” in the year________.
1972
1914
1968
1916


Q.19
The delta endotoxin produced protein of 130 kDa in reductive environment of the insect midgut that has a pH value of_________.
7.0 – 8.0
More than 9.5
6.0 – 7.0
Less than 6.5


Q.20
Insecticidal properties of DDT was first discovered by________.
Michael faraday
Kurt Alder
Dupire
Paul Muller


Q.21
Which of the following insecticide isolated from actinomycetes_________.
Abamectin
Spinosad
Fipronil
Acetamiprid


Q.22
Single gene involved in the development of resistance called as______.
Monogenic resistance
Polygenic resistance
Cross resistance
None


Q.23
Synthetic pyrethroid cause the resurgence in which insect?
Whitefly
Aphid
Thrips
Helicoverpa


Q.24
The botanical which is highly toxic to fishes is_________.
Neem
Rotenone
Sabadilla
Pyrethrum


Q.25
First report of resistance was observed in which insect?
Helicoverpa
Spodoptera
San jose scale
Diamondback moth

Number of score out of 25 = Score in percentage =

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