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  #2  
10th October 2019, 02:45 PM
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Re: ICAR JRF Entomology Exam Question Paper

Hi buddy here I am looking for ICAR JRF Entomology Exam Question Paper for preparation of this exam so would you plz let me know about the same here ??
  #3  
10th October 2019, 02:46 PM
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Join Date: Aug 2012
Re: ICAR JRF Entomology Exam Question Paper

As you want here I am giving bellow ICAR JRF Entomology Exam Question Paper online demand:

1. Question
Token stimuli theory was proposed by

a. Kenedy and Booth
b. Painter
c. Fraenkel
d. House
2. Question
The origin of reproductive system is

a. Ectoderm
b. Endoderm
c. Mesoderm
d. All of these
3. Question
Flare up of squares in cotton is the symptom of damage caused by

a. Aphids
b. Spotted boll worm
c. American boll worm
d. Stem weevil
4. Question
Axillary sclerites are absent in

a. Odonata and Ephemeroptera
b. Zoraptera
c. Homoptra
d. Trichoptera
5. Question
In Hymenoptera, thorax fused with 1st abodominal segment to form

a. Propodeum
b. Petiole
c. Gaster
d. Metathorax
6. Question
Which layer id formed first during formation of cuticle ?

a. Endocuticle
b. Exocuticle
c. Inner epicuticle
d. Outer epicuticle
7. Question
Which one of the following is a damage symptom of mango stem borer?

a. Drying of inflorescence
b. Bore holes on stem
c. Fruit drop
d. Webbing of leaves
8. Question
Pulse beetle damage symptom is

a. Holes on the grains
b. Webbing of grains
c. Feed from out side
d. All of these
9. Question
Bombay Natural History Society was established in year

a. 1846
b. 1946
c. 1892
d. 1883
10. Question
Sugarcane Breeding Institute (SBI) is located at

a. Lucknow
b. Hyderabad
c. Coimbatore
d. Delhi
11. Question
Banchy top of banana is transmitted by

a. Aphid
b. Thirps
c. Leaf hopper
d. Stem borer
12. Question
Leaf curl of tobacco is transmitted by

a. Aphid
b. Thirps
c. Leaf hopper
d. White fly
13. Question
The vector of yellow vein mosaic virus is

a. Bemisia tabaci
b. Thirps dorsalis
c. Nephotettix virescens
d. Aceria cajani
14. Question
National Bureau of Agriculturally Important Insects (NBAII) is located at

a. New Delhi
b. Bangaluru
c. Karnal
d. Lucknow
15. Question
Particle size of aerosols in microns is

a. 1 -50
b. 0.1 - 1
c. 51 - 100
d. 0.01 - 0.1
16. Question
Glyphosate is a

a. Insecticide
b. Weedicide
c. Rodenticide
d. Acaricide
17. Question
In aphids, cornicles are present on _________ abdominal segments

a. 4th
b. 5th or 6th
c. 7th
d. 8th
18. Question
Banana rhizome weevil belongs to the family

a. Curculionidae
b. Coccinellidae
c. Cerambycidae
d. Pyraustidae
19. Question
Epilachna beetle belongs to the family

a. Coccinellidae
b. Melonthidae
c. Meliodae
d. Scarabidae
20. Question
Cigarette beetle belongs to the family

a. Anobiidae
b. Bostrychidae
c. Dermestidae
d. Cucujidae
21. Question
Naiads are the immature stages of

a. Dragonfly
b. Mantis
c. Fleas
d. All
22. Question
Antennae are absent in

a. Protura
b. Collembola
c. Diptera
d. Thysanura
23. Question
Tympanal organ in mole crickets are present in

a. Fore tibia
b. Hind tibia
c. Abdomen
d. antennae
24. Question
Johnstons organs are present on

a. Pedicel
b. Tibia
c. Abdomen
d. Scape
25. Question
Chitin is absent in

a. Epicuticle
b. Procuticle
c. Endocuticle
d. Exocuticle
26. Question
Metathoracic spiracles are closed but mesothoracic and 7 abdominal spiracles are open this condition is knows as

a. Hemineustic
b. Holoneustic
c. Aneustic
d. None of these
27. Question
Rough endoplasmic reticulum synthesizes

a. Proteins
b. Fats
c. Lipids
d. Steroids
28. Question
Which one of the following is an adenotrophic viviparous insect ?

a. Glossina
b. Cimex
c. Aphids
d. Mosquitoes
29. Question
Speed of locust swarms

a. 100 to 200 km/day
b. 500 km/day
c. 1000 km/day
d. 1 km/day
30. Question
what is the potential during resting stage of depolarization of 2 axons ?

a. +70 mv
b. - 70 mv
c. +140 mv
d. -140 mv
31. Question
For the causing the pathogenicity, Bacillus thuringiensis require pH of

a. 5 - 6
b. 6 - 7
c. 7 - 8
d. All these
32. Question
The total number of articles in ICZN is

a. 84
b. 86
c. 88
d. 90
33. Question
Mode of action of abamectin insecticide

a. Chloride channel activator
b. Na channel activator
c. Na channel inhibitor
d. Choline esterase inhibitor
34. Question
True luminous insects belong to the family

a. Luminidae
b. Lampyridae
c. Lycanidae
d. Buprestidae
35. Question
Stiffling operation in silkworm is done for

a. Killing the pupae
b. Strengthen the silk
c. Improve the quality of slik
d. None of these
36. Question
Which one of the following is a host plant of lac insect ?

a. Kusum
b. Ber
c. Palas
d. All of these
37. Question
Fecundity of lac insect is about

a. 300 - 500
b. 500 - 700
c. 700 - 1000
d. > 1000
38. Question
Characterization and naming of insects comes under which type of Taxonomy ?

a. Alpha Taxonomy
b. Beta Taxonomy
c. Gamma Taxonomy
d. All of these
39. Question
Bt. cotton area in India during the year 2007-08 is about

a. 6.2 mha
b. 3.2 mha
c. 9.2 mha
d. 5.5 mha
40. Question
Most acceptable model of bee hive

a. Newton bee hive
b. Thompson box
c. Pant and Kanje box
d. All of these
41. Question
Bunchy top of sugarcane is the symptom of damage caused by

a. Early shoot borer
b. Top shoot borer
c. Internode borer
d. All of these
42. Question
First Bt. crop in India is

a. Brinjal
b. Cotton
c. Soybean
d. Canola
43. Question
Quarantine regulations in coffee is done against

a. Stem borer
b. Berry borer
c. Fruit fly
d. Aphid
44. Question
Eublemma is parasite/predator on

a. Silkworm
b. Honey bee
c. Lac insect
d. All of these
45. Question
Asymmetrical mouth parts are observed in

a. Thrips
b. Aphids
c. House fly
d. Mosquitoes
46. Question
Ecto parasites of human beings belongs to insect order

a. Siphunculata
b. Lepidoptera
c. Hymenoptera
d. Zoraptera
47. Question
Dengu is transmitted by vector

a. Aedes aegypti
b. Anopheles sp.
c. Culex
d. Pediculus
48. Question
relationship between standard deviation and variance is

a. Standard deviation is the square root of the variance
b. Variance is square root of standard deviation
c. Variance is double of standard deviation
d. Standard deviation is the square of the variance
49. Question
National Biodiversity Authority (NBA) center is located at

a. Chennai
b. New Delhi
c. Hyderabad
d. Bhopal
50. Question
Which one of the following is host plant of tropical tasar silkworm ?

a. Mulberry
b. Som
c. Terminalia
d. Castor
51. Question
Citrus tristeza virus is transmitted by

a. Aphid
b. Psyllid
c. Leaf miner
d. Butterfly
52. Question
Which nutrient helps in translocation of sugar in sugarcane ?

a. Potassium
b. Boron
c. Phosphorus
d. Sulphur
53. Question
Carbon assimilation rate is more in _______ of plants

a. C2
b. C3
c. C4
d. None of these
54. Question
Stomata closing hormone is

a. Abscisic acid
b. Ethylene
c. Gibberlic acid
d. Auxins
55. Question
The relationship between ETL and EIL is

a. ETL = EIL - Daily reproductive rate of insect
b. EIL = ETL - Daily reproductive rate of insect
c. ETL = EIL - Daily death rate of insect
d. EIL = ETL - Daily death rate of insect
56. Question
Antibiosis is

a. Bad host
b. Expelling guests
c. Adverse effect of host plant on insect
d. All of these
57. Question
White tip nematode of rice is

a. Aphelenchoides besseyi
b. Radopholus
c. Heerodera
d. Anguina
58. Question
Grape fan leaf virus is transmitted by

a. Xiphinema index
b. Longidorus
c. Radopholus
d. Pratylenchus
59. Question
Important nematode on groundnut which causes Kalhati melady

a. Tylenchorhynchus brevilineatusi
b. Aphelenchoides
c. Xiphinema
d. Meloidogyne
60. Question
Which one of the following is an important nematode pest on mushroom ?

a. Ditylenchus myceliophagus
b. Hirschmanniella
c. Xiphinema
d. Meloidogyne
61. Question
Stage of nematode which cause infection is

a. Egg
b. J1
c. J2
d. Adult
62. Question
Infective stage of entomo-pathogenic nematode is

a. J1
b. J2
c. J3
d. J4
63. Question
How many larval moultings observed in nematode lifecycle ?

a. 2
b. 3
c. 4
d. 5
64. Question
Important nematode pest on rice

a. Aphelenchoides
b. Radopholus
c. Xiphinema
d. meloidogyne
65. Question
Spreading decline in citrus caused by the following nematode

a. Radopholus similis
b. Dolichodorus
c. Rotylenchulus reniformis
d. Tylenchulus semipenetrans
66. Question
Ufra disease in rice is caused by nematode

a. dolichodorus
b. Ditylenchus
c. Rotylenchulus reniformis
d. Heterodera
67. Question
In cotton nematode entry associated with fungi of

a. Fusarium
b. Pseudomonas
c. Phytophtera
d. All of these
68. Question
Entomo pathogenic nematodes (EPN s) contain bacteria which belongs to genus

a. Xenorhabdus
b. Photorhabdus
c. Both a and b
d. None of these
69. Question
Scientific name of false root knot nematode is

a. Nacobbus aberrans
b. Ditylenchus dipsaci
c. Ditylenchus mycliophagus
d. Aphelenchoides besseyi
70. Question
NETU is transmitted by nematode genus

a. Trichodorus
b. Xiphinema
c. Longidorus
d. Rotylenchulus reniformis
71. Question
Excretory system is well developed in the nematode class

a. Secrnentea
b. Adenophorea
c. Both a and b
d. None of these
72. Question
Odontostyle with three large knobs is present in the nematode

a. Aphelenchoides
b. Aphelenchus
c. Belanolaimus
d. All of these
73. Question
Important nematode on vegetables is

a. Meloidogyne
b. Ditylenchus
c. Pratylenchus
d. Heterodera
74. Question
Care should be taken at the ________ level of insect population

a. economic threshold
b. Economic injury level
c. maximum threshold level
d. None of these
75. Question
Quarantine is followed against which disease of potato

a. Scab
b. Wart
c. Wilt
d. Rust
76. Question
Gapon equation quantitatively describes the relationship between

a. Adsorbed monovalent and divalent cations and their concentration in the equilibrated solution
b. Adsorbed trivalent and divalent cations and their concentrations in the equilibrated solution
c. Adsorbed monvalent and trivalent cations and their concentration in the equilibrated solution
d. All of these
77. Question
Presence of stone flies indicate the water is

a. Clean and healthy
b. Polluted
c. Unhealthy
d. None of these
78. Question
Gene for Gene hypothesis was proposed by

a. Beedle and Tatum
b. H. H. Flor
c. Erickson
d. Berkeley
79. Question
The nursery area required for transplanting rice in one hectare is

a. 0.05 ha
b. 0.1 ha
c. 0.001 ha
d. 0.2 ha
80. Question
Rodent control practiced by farmers is

a. Early sowing
b. Mixed cropping
c. Inter cropping
d. Habit management
81. Question
High mutations rates are tolerated more in

a. Haploids
b. Diploids
c. Anueploids
d. Polyploids
82. Question
Hatch slack pathway of CO2 is found in

a. Rice
b. Wheat
c. Maize
d. Gram
83. Question
Photorespiration is a common process in ______ plants

a. C3
b. C4
c. CAM plants
d. All of these
84. Question
The ploidy level of an endosperm is

a. n
b. 2n
c. 3n
d. 4n
85. Question
The activity of most plant parasitic nematode is arrested at ________ degrees centigrade

a. 5 - 15
b. 20 -30
c. 30 -40
d. 30 - 60
86. Question
The international institute CYMMT deals with

a. Wheat and Barley
b. rice and Wheat
c. Wheat and Maize
d. Rice and Maize
87. Question
Granite is a

a. Igneous rock
b. Metamorphic rock
c. sedimentary rock
d. None of these
88. Question
The chemical formulae of muriate of potash is

a. KNO3
b. KCl
c. K2SO4
d. KPO4
89. Question
Simazine is a

a. Insecticide
b. Weedicide
c. Fumigant
d. Acaricide
90. Question
Rice tungro is a _________ disease

a. Viral
b. Bacterial
c. Nematode
d. Zn deficient
91. Question
Which of the following soils is most common in India ?

a. Alluvial
b. Laterite
c. Black
d. Red
92. Question
The purpose of randomization in field experiments is to

a. Control variance
b. Collect data
c. Increase error
d. All of these
93. Question
The spectrum of light perceived by insects is in the range of

a. 350 - 650
b. 250 - 700
c. 400 - 700
d. 500 - 700
94. Question
Hyper metamorphosis is found in

a. Cicinellidae
b. Pyralidae
c. Eulophidae
d. Meloidae
95. Question
The enzymes responsible for the degradation of xenobiotics are

a. Esterases
b. Mixed function oxidases
c. Proteases
d. Dehydrogenase
96. Question
Males of Drosicha mangiferae (mango mealy bug) possess

a. Four wings
b. Two wings
c. Two wings + two halters
d. No wings
97. Question
Which of the insecticide is safe to honey bees ?

a. Malathion
b. Dimethoate
c. DDT
d. Endosulfan
98. Question
Sal borer belongs to the family

a. Cerambicidae
b. Scarabidae
c. Melolonthidae
d. Coccinelidae
99. Question
The Indian Scientist who worked on thrips is

a. Y.R. Rao
b. T.V.R. Ayyar
c. H.S. Pruthi
d. T. Ananthakrishnan
100. Question
Inclusion bodies are characteristic feature of

a. Bacillus thuringiensis
b. Beauveria bassiania
c. Baculo virus
d. Protozoa
101. Question
Arista is a morphological part of

a. Antennae
b. mouth parts
c. Legs
d. Head
102. Question
Filter chamber is commonly found in

a. Bugs
b. Butter flies
c. Beetles
d. Grass hopper
103. Question
Coconut pest which has become notorious in recent times is

a. Coconut mite
b. Red palm weevil
c. Rhinocerous beetle
d. Black headed caterpillar
104. Question
Plume moth belongs to the family

a. Gracillaridae
b. Gelechidae
c. Pterophoridae
d. Plutellidae
105. Question
Which of the following is an Orthoptera character ?

a. Anamorphosis
b. Fusion of ganglia
c. Absence of cerci
d. Numerous Malphigain tubules
106. Question
Precocious development in an insect can be produced by

a. anti juvenile hormones
b. Ecdysone
c. Juvenile hormones
d. Antihormones
107. Question
The sucrose content of honey is about

a. 25 -505
b. 80 90%
c. 5%
d. 50 - 70%
108. Question
Which of the following is a secondary pest of stored grain ?

a. Angoumois grain moth
b. Indian meal moth
c. Rice moth
d. Saw toothed grain borer
109. Question
Trachea is the invagination of

a. Ectoderm
b. Endoderm
c. Mesoderm
d. None of these
110. Question
The vector of rice yellow dwarf virus diseases is

a. Nephotettix virescens
b. Nilparvata lugens
c. Sogatella fucifera
d. Oreseolia grisator
111. Question
The scientific name of grape vine stem girdler

a. Scelodonta strigicollis
b. Sthenias gresator
c. Sinoxylon
d. Ferrisia
112. Question
Which of the following is a lepidopteran pest that attacks during adults stage ?

a. Otheris fullonica
b. Achea janata
c. Spodoptera litura
d. Helicoverpa armigera
113. Question
Which of the following is a pest of quarantine significance ?

a. Mango nut weevil
b. mango leaf hopper
c. mango mealybug
d. Sitophilus oryzae
114. Question
Exclusively phytophagous and gall forming mites belong to

a. Eriophyidae
b. Tarsonemidae
c. Tetranychidae
d. None of these
115. Question
Which of the following pest that migrates from field to storage ?

a. Cylas formicarius
b. Corcyra cephalonica
c. Anthonomis grandis
d. All of these
116. Question
The destructive stage of coconut rhinoceros beetle is

a. Egg
b. Larvae
c. Grub
d. Adult
117. Question
The phase theory of locust was given by

a. Uravov
b. H.S. Pruthi
c. Fletcher
d. roonwal
118. Question
The damage symptom caused by Phyllocnitis citrella is

a. Webs the inflorescence
b. Cuts the leaf
c. Mines the leaves
d. Bores the stem
119. Question
The following senses are lacked by the caterpillars

a. Sight and hearing
b. Hearing and touch
c. Touch and taste
d. Taste
120. Question
The host plant character associated with resistance in cotton to leaf hopper is

a. Pigments
b. Gossypol
c. Length of hairs
d. All
121. Question
The hibernate stage of pink bollworm is

a. Adult
b. Egg
c. Larvae
d. Pupa
122. Question
Paranotal theory explains the origin of

a. Evolution of insects
b. Insect flight
c. Insect wings
d. Insect segmentation
123. Question
Which of the following insect order belong to panarpoid group ?

a. Siphonaptera
b. Siphunculata
c. Odonata
d. Isoptera
124. Question
which of the following insect order contain exclusively endo parasitic insects ?

a. Strepsiptera
b. Siphunculata
c. Odonata
d. Trichoptera
125. Question
Semitransparent spot devoid of wings of caddies flies is

a. Micotrichia
b. Thyridium with sensory in function
c. Thyridium with secretary in function
d. Androconia
126. Question
Which of the following is a function of bursicon hormone ?

a. Vitellognesis
b. Apolysis
c. Moulting
d. Tanning
127. Question
Chemical factor that maintains feeding on a substrate by the insect is

a. Incitant
b. Attractant
c. Kairomones
d. Phagostimulant
128. Question
The gland responsible for the secretion of silk is

a. Mandibular gland
b. Labial gland
c. Salivary gland
d. Hypo phyrangeal gland
129. Question
Most primitive respiratory system in insects is

a. Apneustic
b. Hemipneustic
c. Holopneustic
d. Propneustic
130. Question
Production of only female off springs from unfertilized eggs is called

a. Arrhenotoky
b. Thelytoky
c. Amphitoky
d. Lenucotoky
131. Question
Acarine disease of honey bees is caused by

a. Mite
b. Bacteria
c. Virus
d. Protozoa
132. Question
Theory of population regulation through density dependent factor was given by

a. Andrewarth
b. Sothwood
c. Birch
d. Nicholson
133. Question
Which of the following ovarioles does not contain nutritive cells ?

a. Panoistic
b. Polytophic
c. Acrotrophic
d. Oligotrophic
134. Question
Which of the following pest is introduced into India ?

a. Potato tuber moth
b. American boll worm
c. Cotton boll weevil
d. Groundnut leaf miner
135. Question
The dose of Trichogramma chilonis used for the control of sugarcane borer is

a. 50000 parasitized eggs/ha
b. 20000 parasitized eggs/ha
c. 100000 parasitized eggs/ha
d. 150000 parasitized eggs/ha
136. Question
Chitin is soluble in

a. Alkali
b. Organic solvent
c. Sodium hypochlorite
d. Dilute acid
137. Question
The stage at which silk worm under goes diapause

a. Egg
b. Larvae
c. Pupae
d. Adult
138. Question
Honey bee capable of flying at an average speed of

a. 5 - 10 km/hr
b. 15 - 20 km/hr
c. 25 - 30 km/hr
d. 50 - 80 km/hr
139. Question
Dimilin is

a. Growth inhibitor
b. Chitin synthesis inhibitor
c. Neurotransmitter
d. Tanning inhibitor
140. Question
During embryonic development the germ band of many insects undergo sequence of movements known as

a. Blastula
b. Gastrulation
c. Blastokinesis
d. Cleavage
141. Question
crickets belong to the family

a. Gryllidae
b. Tettigonidae
c. Acrididae
d. Scarabidae
142. Question
National Research Centre on Integrated Farming is located at

a. RAJASTHAN
b. BIHAR
c. GUJARAT
d. UP
143. Question
Both wings and antennae are absent in

a. Protura
b. Male coccids
c. Diplura
d. Grylloblattoidea
144. Question
Web spinnig legs are found in

a. Embioptera
b. Trichoptera
c. Coleoptera
d. Hymenoptera
145. Question
The visual organs in larval lepidoptera are

a. 3 ocelli
b. 3 stemmata
c. 6 stemmata
d. Compound eye
146. Question
Knot like gall on are induced by

a. Xiphenima
b. Hemicycliophora
c. Coriconema
d. None
147. Question
The leading producer of natural pyrethrin is

a. Japan
b. China
c. India
d. Kenya
148. Question
The relation between the following two parameters is a straight line

a. Corrected mortality + dose
b. Probit % mortality and square root of dose
c. Dose and Probit % mortality
d. Log dose and Probit % mortality
149. Question
Which of the following as an emulsifier in an insecticide formulation ?

a. Teepol
b. Triton * -100
c. Polyethylene glycol
d. Silica
150. Question
The dose of NPV of Helicoverpa used for the control of Helicoverpa

a. 250 LE
b. 500 LE
c. 750 LE
d. 1000 LE
151. Question
Match the arthropods with their group

A Horse shoe crabs 1 Eurypterida
B Sea spiders 2 Pycnogonida
C Giant water scorpion 3 Xiphosuran
D Scorpions 4 Archnida
a. A(4), B(2), C(1), D(3)
b. A(3), B(2), C(1), D(4)
c. A(4), B(2), C(3), D(1)
d. A(2), B(4), C(1), D(3)
152. Question
Match the following insects with their families

A Water sticks 1 Hydrometridae
B Gerridae 2 Water striders
C Notonectidae 3 Back swimmers
D Nepidae 4 Water scorpion
a. A(1), B(2), C(3), D(4)
b. A(2), B(1), C(3), D(4)
c. A(1), B(3), C(2), D(4)
d. A(1), B(2), C(4), D(3)
153. Question
Match honeybee enemy with their scientific name

A Greater wax moth 1 Merops orientalis
B Lesser wazx moth 2 Vespa orientalis
C Bee hunter wasp 3 Galleria melonella
D Bee eater 4 Achroia grisella
a. A(3), B(1), C(4), D(2)
b. A(1), B(3), C(2), D(4)
c. A(3), B(1), C(2), D(4)
d. A(3), B(4), C(2), D(1)
154. Question
Match the type of virus transmission with their insect vectors

A Non persistent 1 Thirps
B Semi persistent 2 Aphids
C Non propagative 3 Leaf hopper
D Propagative 4 Whitefly
a. A(2), B(4), C(3), D(1)
b. A(3), B(2), C(4), D(1)
c. A(2), B(3), C(4), D(1)
d. A(3), B(4), C(4), D(1)
155. Question
Match the viral disease with insect vectors

A Cauliflower mosaic 1 Bervicoryne brasssicae
B Sugarcane mosaic 2 Pentalonia nigronervosa
C Banana bunchy top 3 Aphis gossypii
D Papaya mosaic 4 Rhopalosiphum maidis
a. A(1), B(4), C(2), D(3)
b. A(4), B(1), C(2), D(3)
c. A(1), B(4), C(3), D(2)
d. A(3), B(4), C(2), D(1)
156. Question
Match the equipment with their types

A Battery operated controlled drop applicator 1 High volume sprayer
B Knapsack power sprayer 2 Low volume sprayer
C Rocker sprayer 3 ULV sprayer
D Soil injector 4 Fumigation
a. A(1), B(3), C(2), D(4)
b. A(3), B(2), C(1), D(4)
c. A(4), B(1), C(2), D(3)
d. A(3), B(1), C(2), D(4)
157. Question
Match the sprayer with their use in areas

A Pneumatic hand sprayer 1 Agricultural crops
B Foot (pedal) pump sprayer 2 Kitchen gardens
C Rocker sprayer 3 Fruit trees
D Knapsack sprayer 4 Plantations trees
a. A(1), B(3), C(4), D(2)
b. A(2), B(4), C(3), D(1)
c. A(2), B(3), C(4), D(1)
d. A(4), B(3), C(2), D(1)
158. Question
Match the pest with their trap crop

A African tall marigold 1 Leaf miner
B Mustard 2 Helicoverpa armigera
C Castor 3 Plutella xylostella
D Soybean 4 Spodoptera litura
a. A(2), B(1), C(4), D(3)
b. A(2), B(3), C(4), D(1)
c. A(4), B(3), C(2), D(1)
d. A(2), B(1), C(4), D(3)
159. Question
Match the aggregation pheromone with their insects

A Fornatalin 1 Dendroctonus
B Ipsenol 2 Tribolium sp.
C Periplanone 3 Ips
D Dimethyldecanol 4 Periplaneta
a. A(3), B(1), C(4), D(2)
b. A(1), B(3), C(2), D(4)
c. A(1), B(3), C(4), D(2)
d. A(2), B(3), C(4), D(1)
160. Question
Match the insects with their repellents

A Crawling insects 1 Dimethl phthalate
B Phytophagous insects 2 Creosote
C Wood feeders 3 Bordeaux mixture
D Blood sucking insects 4 Pentachlorophenol
a. A(1), B(2), C(3), D(4)
b. A(2), B(4), C(3), D(1)
c. A(2), B(1), C(4), D(3)
d. A(2), B(3), C(4), D(1)


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