Agricultural Officer/ Soil Conservation Officer etc in Agriculture/ Soil Survey etc Questions and Answer Key

Name of Posts: Agricultural Officer/ Soil Conservation Officer etc in Agriculture/ Soil Survey etc

Cat. No: 163/2019, 307/2019, 353/2019, 354/2019, 211/2019, 236/2019 & 398/2019

Date of Test: 21/01/2021

Question Code: 016/2021

Medium of Question- ENGLISH

1. Purple white Dendrobium variety popular in Kerala.
 (A) Master Delight
 (B) Lemon Glow
 (C) Velvet Soft
 (D) Sonia - 17

2. Red seedless watermelon hybrid released from KAU
 (A) Pusa Bedana
 (B) Sugar baby
 (C) Swarna
 (D) Shonima

3. The propagule in Gladiolus
 (A) Corms and Cormels
 (B) Seed
 (C) Stem cuttings
 (D) Suckers

4. Oil yield of Jasminum grandifolium
 (A) 15.4 kg/ha
 (B) 10.3 kg/ha
 (C) 29 kg/ha
 (D) 40 kg/ha

5. Double flowered tuberose variety with several whorls of petals.
 (A) Sringar
 (B) Suvarna Rekha
 (C) Suchitra
 (D) Suvasini

6. Common practice to increase yield in marigold.
 (A) Pinching
 (B) Girdling
 (C) Notching
 (D) Ring

7. Maturity of papaya fruit, in days, for papain extraction.
 (A) 70-100
 (B) 50-70
 (C) 100-120
 (D) 25-50

8. The pigment imparting red colour in tomato.
 (A) Anthocyanin
 (B) Lycopene
 (C) Capsorubin
 (D) Cryptocapsin

9. One Amaranth variety resistant to Leaf blight
 (A) Arun
 (B) Krishnasree
 (C) Renusree
 (D) Co-1

10. Minimum number of nuts per tree per annum for selection as mother plant in Coconut.
 (A) 100
 (B) 80
 (C) 120
 (D) 60

11. A serious viral disease transmitted by aphids in cardamom.
 (A) Katte
 (B) Azhukal
 (C) Clump rot
 (D) Leaf blotch

12. Oleoresin content in dry black pepper.
 (A) 25%
 (B) 6-10%
 (C) 15-20%
 (D) 10-13%

13. Two winter season tropical legumes for Kerala.
 (A) Peas and Beans
 (B) Cluster bean and French bean
 (C) Dolichos bean and Winged bean
 (D) Cow-pea and Cluster bean

14. Most ideal season for tomato cultivation in Kerala.
 (A) June – July
 (B) Sept. – Oct.
 (C) Feb. – April
 (D) April – May

15. Most widely adapted vegetative propagation technique in guava.
 (A) Grafting
 (B) Cutting
 (C) Budding
 (D) Air layering.

16. Phytophthora foot rot resistant pepper variety.
 (A) Karimunda
 (B) Balamkotta
 (C) IISR Sakthi
 (D) Panniyur – 4

17. Best performing types of cocoa under Indian condition.
 (A) Trinitario
 (B) Criollo
 (C) Forastero
 (D) Venmany

18. Two underexploited fruits of high production potential and commercial value under Kerala conditions.
 (A) Loquat and lovilovi
 (B) Mangosteen and Rambutan
 (C) Breadfruit and Litchi
 (D) Loquat and Litchi

19. Pineapple variety recommended for commercial cultivation for table purpose.
 (A) Yellow Newton
 (B) Golden Delicious
 (C) Kew
 (D) Mauritius

20. The growth regulator used for induction of flowering in mango.
 (A) NAA
 (B) IBA
 (C) CCC
 (D) Paclobutrazole

21. Blue flowered tree species is
 (A) Jacaranda mimosifolia
 (B) Jacquemontia violacea
 (C) Petrea volubilis
 (D) Clitoria ternatea

22. Browning in cauliflower is due to the deficiency of
 (A) Mo
 (B) Zn
 (C) B
 (D) Fe

23. The headquarters of National Horticultural Board is in
 (A) Gurgaon
 (B) New Delhi
 (C) Bangalore
 (D) Jaipur

24. Anupama is a variety of
 (A) Cow-pea
 (B) Drumstick
 (C) Okra
 (D) Coleus

25. Coconut variety preferred for root wilt affected area
 (A) Kerasagara
 (B) Komadan
 (C) Chandrasankara
 (D) Chandrakalpa

26. Fl hybrid of Solanum melongena
 (A) Neelima
 (B) Haritha
 (C) Swetha
 (D) Surya

27. A dioecious vegetable
 (A) Snake gourd
 (B) Bottle gourd
 (C) Ivy gourd
 (D) Bitter gourd

28. Chekkurmanis is botanically
 (A) Benincasa hispida
 (B) Talinum triangulare
 (C) Sauropus androgynus
 (D) Canavalia ensiformis

29. Sugandhini is a variety of
 (A) Vettiver
 (B) Cardamom
 (C) Ginger
 (D) Cinnamon

30. 'Green ring' in grafted cucumber is due to
 (A) Incompatibility between stock and the scion
 (B) Mg deficiency
 (C) B deficiency
 (D) Mo deficiency

31. A vegetable designated as plant-insulin
 (A) Benincasa 'hsipida
 (B) Sechium edule
 (C) Luffa cylindrical
 (D) Memordica charantia

32. Chambakad Large is a variety of
 (A) Gooseberry
 (B) Guava
 (C) Mandarin Orange
 (D) Chikku

33. Sauerkraut is prepared from
 (A) Tomato
 (B) French Bean
 (C) Grapes
 (D) Cabbage

34. Approximate number of coconut trees that can be accommodated per hectare of land in triangular system of planting.
 (A) 300
 (B) 280
 (C) 198
 (D) 120

35. Gladiolus is propagated by
 (A) Offshoot
 (B) Corm
 (C) Sucker
 (D) Bulb

36. Red and gold hybrids are interspecific hybrids of
 (A) Chinaaster
 (B) Marigold
 (C) Chrysanthemum
 (D) Dahlia

37. Clipping and shearing shrubs and small trees into different shapes
 (A) Terrariums
 (B) Pruning
 (C) Trophy
 (D) Topiary

38. Tutty fruity is prepared from
 (A) Ash gourd
 (B) Musk melon
 (C) Cantaloupe
 (D) Papaya

39. Pseudobulbs are present in _______ orchids.
 (A) Monopodials
 (B) Sympodials
 (C) Both
 (D) None

40. Tea garden is a type of
 (A) Japanese Garden
 (B) Persian Garden
 (C) English Garden
 (D) Italian Garden

41. Variety of rice
 (A) Nidhi
 (B) Uma
 (C) Poornima
 (D) Keraganga

42. Process by which undesirable genes or gene combinations are removed from population
 (A) Hybridization
 (B) Selection
 (C) Introduction
 (D) Mutation

43. Father of plant genetic resource activities
 (A) Gregor Mendel
 (B) George Bentham
 (C) N.I. Varvilow
 (D) Francis Crick

44. Cryoprotectant used in cryopreservation
 (A) Poly ethylene glycol
 (B) Mustard gas
 (C) Ethyl methane sulphonate
 (D) Dimethyl sulphoxide

45. A protogynous plant
 (A) Orchid
 (B) Anthurium
 (C) Brinjal
 (D) Bajra

46. Chemical used to induce polyploidy
 (A) Ethyl methyl sulphonate
 (B) Colchicine
 (C) Poly ethylene glycol
 (D) Potassium permanganate

47. Male sterility showing cytoplasmic inheritance
 (A) Cytoplasmic genetic male sterility
 (B) Cytoplasmic male sterility
 (C) Genetic male sterility
 (D) Incompatibility

48. Headquarters of National Biodiversity Authority
 (A) New Delhi
 (B) Kerala
 (C) Chennai
 (D) Calcutta

49. A physical mutagen
 (A) EMS
 (B) MMS
 (C) Gamma rays
 (D) Mustard gas

50. Removal of immature anther from hermaphrodite flower
 (A) Emasculation
 (B) Crossing
 (C) Tagging
 (D) Inbreeding

51. Variety of chilli produced by hybridization
 (A) Ujwala
 (B) Jwalamukhi
 (C) Kiran
 (D) Mukthi

52. A variety of cow-pea
 (A) Bhagyalekshmi
 (B) Surya
 (C) Swetha
 (D) Sreebhadra

53. An individual having dissimilar alleles of gene
 (A) Homogynous
 (B) Heterogynous
 (C) Hybrid
 (D) Albino

54. Progeny of the breeder seed
 (A) Nucleus seed
 (B) Foundation seed
 (C) Registered seed
 (D) Certified seed

55. Class of seed with no tag
 (A) Nucleus seed
 (B) Breeder seed
 (C) Foundation seed
 (D) Certified seed

56. The first GI (geographical indication) tagged product in India
 (A) Darjeeling tea
 (B) Aranmulakanadi
 (C) Chandari fabric
 (D) Mysore silk

57. Hybrid progeny from a cross between 2 single crosses
 (A) 3 way cross hybrid
 (B) double cross hybrid
 (C) double top cross
 (D) multiple cross

58. Progeny of a single plant obtained by asexual reproduction
 (A) Hybrid
 (B) Cybrid
 (C) Inbred
 (D) Clone

59. Process of bringing wild and weedy species under human management.
 (A) Selection
 (B) Introduction
 (C) Domestication
 (D) Hybridization

60. Oldest method of crop improvement
 (A) Introduction
 (B) Hybridization
 (C) Selection
 (D) Mutation

61. Food given to honey-bee larva which later develops to queen
 (A) Royal jelly
 (B) Royalactin
 (C) Queen substance
 (D) Nectar

62. Mechanism by which the host plant adversely affects the biology of insect and its progeny
 (A) Antixenosis
 (B) Tolerance
 (C) Nonpreference
 (D) Antibiosis

63. Bordeaux mixture was discovered by
 (A) E. F. Smith
 (B) Robert Hook
 (C) Tisdale
 (D) Millardet

64. Parasitoid introduced for the management of papaya mealybug
 (A) Trichogramma chilonis
 (B) Acerophagus papayae
 (C) Cyrtobagous salviniae
 (D) Goniozus nephantidis

65. A systemic fungicide
 (A) Copper oxychloride
 (B) Copper hydroxide
 (C) Carbendazim
 (D) Mancozeb

66. Vector of cassava mosaic disease
 (A) Whitefly
 (B) Thrips
 (C) Plant hoppers
 (D) Mealybug

67. Which among the following is a total stem parasite ?
 (A) Broomrape
 (B) Witchweed
 (C) Loranthus
 (D) Dodder

68. 'Dead heart' symptom in rice is caused by the infestation of
 (A) Rice Leaf folder
 (B) Brown plant hopper
 (C) Rice bug
 (D) Rice stem borer

69. 'Bollguard' is a transgenic cotton which expresses the crystal protein of
 (A) Bacillus thuringiensis
 (B) Beauveria bassiana
 (C) Bacillus popilliae
 (D) Metarhizium anisopliae

70. Name a fungus used in the biological control of plant diseases.
 (A) Aspergillus
 (B) Rhizopus
 (C) Trichoderma
 (D) Pseudomonas

71. Causal organism of the sheath blight of rice
 (A) Sarocladium oryzae
 (B) Rhizoctonia solani
 (C) Drechslera oryzae
 (D) Pyricularia oryzae

72. The most important biologically active component of Neem
 (A) Rotenone
 (B) Nicotene
 (C) Azadirachtin
 (D) Pyrethrum

73. Alternate host of Puccinia graminis tritici
 (A) Wheat
 (B) Barbery
 (C) Barley
 (D) Cow-pea

74. Name the viral disease of banana.
 (A) Moko wilt
 (B) Bunchytop
 (C) Panama wilt
 (D) Rhizome rot

75. 'Buprofezin' is an insecticide belonging to the group
 (A) Chitin synthesis inhibitor
 (B) Sclerotization inhibitor
 (C) Juvenile hormone analogue
 (D) Antijuvenile hormone analogue

76. Chemical used for communication between individuals of the same species in insects
 (A) Allomone
 (B) Pheromone
 (C) Synomone
 (D) Kairomone

77. Root wilt disease of coconut is caused by
 (A) Virus
 (B) Fungus
 (C) Bacteria
 (D) Phytoplasma

78. An example of acute rodenticide
 (A) Zinc phosphide
 (B) Warfarin
 (C) Methyl bromide
 (D) Metaldehyde

79. 'Erineum' is the symptom caused by the infestation of
 (A) Thrips
 (B) Aphids
 (C) Mites
 (D) Mealybugs

80. 'Kresek symptom' in rice is due to
 (A) Blast
 (B) Sheath blight
 (C) Bacterial leaf blight
 (D) Sheath rot

81. Indian Institute of Sugarcane Research is located at
 (A) Delhi
 (B) Hyderabad
 (C) Pune
 (D) Lucknow

82. Who wrote the book 'Elements of Agricultural Chemistry' ?
 (A) John Bennet
 (B) Sir Humphry Davy
 (C) Charles Darwin
 (D) Jethro Tull

83. NATP was started in the year
 (A) 1990
 (B) 1998
 (C) 1995
 (D) 1993

84. Food grain production in India in 2013-14
 (A) 265.6 mt
 (B) 245 mt
 (C) 256.7 mt
 (D) 205 mt

85. Rudimentary system of settled farming, which includes cultivation, gathering and hunting is called
 (A) Subsistence farming
 (B) Intensive agriculture
 (C) Subsidiary farming
 (D) Mixed farming

86. Soil moisture status reaches Ultimate wilting point at ________.
 (A) -15 bars
 (B) -30 bars
 (C) -45 bars
 (D) -60 bars

87. The most common method among surface methods of irrigation, which is suitable for close growing crops is
 (A) flooding
 (B) basin method
 (C) border strip method
 (D) check basin method

88. Which of the following crops have highest WUE ?
 (A) Rice
 (B) Wheat
 (C) Sorghum
 (D) Cow-pea

89. Susceptibility of soil to erosion is called _________
 (A) Erosivity
 (B) Adhesion
 (C) Erodability
 (D) Cohesion

90. Among the land capability classes, which one has no limitation for growing crops ?
 (A) Class VIII
 (B) Class I
 (C) Class V
 (D) Class II

91. ________ are manifestations of prolonged process of gully erosion.
 (A) Ravines
 (B) Landslides
 (C) Sheet erosion
 (D) Rill erosion

92. ________% of India's geographical area is subjected to degradation.
 (A) 53
 (B) 64
 (C) 78
 (D) 86

93. First stage of movement of soil particles in wind erosion
 (A) Surface creep
 (B) Saltation
 (C) Suspension
 (D) Sheet erosion

94. Spacing of Hybrid Napier as a pure crop in Kerala is _________
 (A) 60 x 30 cm
 (B) 50 x 50 cm
 (C) 60 x 60 cm
 (D) 60 x 50 cm

95. Growing two or more crops simultaneously in intermingled without any row pattern is_________
 (A) intercropping
 (B) sequence cropping
 (C) relay cropping
 (D) mixed cropping

96. Sum of area planted to different crops and harvested in a single year divided by total cultivated area expressed as percentage is _________
 (A) Cropping intensity index
 (B) Relative yield total
 (C) Land equivalent ratio
 (D) Multiple cropping index

97. Jhonson grass is _________
 (A) Sorghum halpense
 (B) Chenopodium album
 (C) Eichhornia crassipes
 (D) Cynodon dactylon

98. Ratio of evapotranspiration of crop (ETc) to potential evapotranspiration (ETo) is
 (A) Plant coefficient
 (B) IW/CPE ratio
 (C) Pan coefficient
 (D) Crop coefficient

99. One cubic metre of water is____________
 (A) 100 litre
 (B) 1000 litre
 (C) 10000 litre
 (D) 5000 litre

100. Normal irrigation water has a boron content of _______ ppm.
 (A) < 2
 (B) < 5
 (C) < 3
 (D) < 10

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