Rajasthan Pre PG Previous Year Question paper 2019 (Agriculture)

 

 

1. The major difference between drying and dehydration is-

(1) Dehydration is removal of moisture from solid/semi solid/liquid, while drying is the removal of water from water containing compound.

(2) Dehydration is partial removal water whereas drying is complete removal of water.

(3) Drying is partial removal of water whereas dehydration is complete removal of water

(4) Drying is removal of moisture from solid/liquid, while solid/semi dehydration is the removal of water from water containing compound.

2. What is the maximum water potential of the pure water?

(1) 1 (2) 0

(3) 2 (4) 3,

3. To improve milk production of non-, descript buffaloes the following buffalo breed is widely used for breeding-

(1) Surti. (2) Mehsani

(3) Murrah (4) Nili-Ravi

4. Structure bottom heat box is generally used for-

(1) Seed's germination (2) Seedling's protection.

(3) Cutting's rooting (4) Crop's raising

5. In Acrididae, the tympanum is present on

(1) Fore tibia (2) Hind femur

(3) 1st abdominal segment (4) 3rd abdominal segment

6. The tomato transgenic variety 'Flavr Savr' was developed using, which of the following technology-

(1) Antisense DNA Technology (2) Antisense RNA Technology

(3) Terminator Gene Technology. (4) Mutation Breeding Technology

7. Which of the following erosion is not a type of soil erosion caused by water-

(1) Sand dunes (2) Rain drop

(3) Sheet (4) Rill

8. The taxon 'Subclass' ends with the suffix-

(1) Mycota (2) Mycotina

(3) Mycetes (4) Mycetidae

10. Water Use Efficiency is-

(1) Y/E (2) Y/ET

(3) Y/T (4) ET/Y

11. Identify the parasitoid(s) of papaya mealy bug (Paracoccus marginatus).

(1) Acerophagus papaya (3) Anagyrus loecki

(2) Pseudleptomastrix Mexicana (4) All of the above

12. A pre-storage or pre-shipping short duration treatment for cut-flowers for long storage or distance transportation is called-

(1) Pre-cooling (2) Conditioning

(3) Pulsing (4) Impregnation

13. Cytoplasmic and Genetic Male sterility (CGMS) in plants was discovered by-

(1) Shull (1908) (2) Hallauer and Miranda (1952)

(3) Johannson (1909) (4) Jones and Davis (1944)

14. Traumatic insemination is observed in which family? ·

(1) Lymantriidae (2) Cimicidae

(3) Belostomatidae (4) Dryinidae

15. The most abundant primary minerals are Quartz and

(1) Alumina (2) Feldspar

(3) Silica (4) Calcium carbonate

16. In maize crop, a cross between an inbred line and open pollinated variety is known as-

(1) Top cross (2) Single cross

(3) Double cross (4) Three way cross

17. Which cans are recommended for canning of strawberry?

(1) Acid resistant lacquered cans (2) R-enamel plain cans

(3) Sulphur resistant lacquered cans (4) Sulphur resistant cans

18. What is the net ATP production under anaerobic respiration in plants?

(1) 8 (2) 6

(3) 4 (4) 2

19. When total utility becomes maximum, marginal utility will be-

(1) Minimum (2) Average

(3) Zero (4) Negative

20. Anabe-roga or foot rot is the disease of-

(1) Cashewnut (2) Cocoa

(3) Arecanut (4) Cardamom

21. Under Law of demand-

(1) Price of commodity is an independent variable

(2) Quantity demand is a dependent variable

(3) Reciprocal relationship is

(4) All the above found between price and quantity demand

22. Trenching around groundnut field is a done to check the attack of-

(1) Groundnut leaf miner (2) Red hairy caterpillar

(3) Pulse beetles (4) Groundnut earwig

23. Choose the aromatic crop from the following-

(1) Davana (Artemisia sp.) (2) Dill (Anethum sp.)

(3) Foxglove (Digitalis sp.) (4) Henbane (Hyoscyamus sp.)

24. Which fungicide is highly specific towards oomycetous fungi?

(1) Metalaxyl (2) Carbendazim

(3) Vitavex (4) Plantvex

25. Which one of following soil conservation measures is not an agronomical measure?

(1) Contour cultivation (2) Tillage

(3) Crop geometry (4) Contour trenches

26. Dogridge rootstock pertains to-

(1) Guava (2) Grape

(3) Plum (4) Ber

27. 'Quality Protein Maize' is different than the normal maize, because it has higher amount of-

(1) Lysine and Tryptophan. (2) Methionine and Arginine

(3) Oleic acid and Linoleic acid. (4) Sulphur and Methionine

28. S-M-R-C model of communication has been given by-

(1) David Berlo (2) Lasswell ·

(3) Aristotle (4) Leagans

29. The process of mechanical migration of small mineral particles from the A to the B horizons of a soil, producing in B horizons relative in clay is known as

(1) Resilication (2) Lessivage

(3) Melanization (4) Braunification

30. Which type of weather forecast is useful for choosing cropping patterns-

(1) Now casting (2) Short range.

(3) Long range (4) Medium range

31. Elements of learning situation are-

(1) Teacher, subject matter, teaching material, and physical facilities

(2) Teacher, subject matter, teaching material, physical

(3) Teacher, subject matter, teaching material, physical facilities and learner

(4) Subject matter, teaching material, Physical facilities and learner

32. A wrong decision about hypothesis leads to-

(1) One kind of error (2) Two kinds of errors

(3) Three kinds of error (4) Four kinds of error

33. In which crop, the Doak's method is adopted for hybrid seed production-

(1) Bajra (2) Maize.

(3) Rice (4) Cotton

34. Identify the nutrient which play an important role in stomata opening and closing process?

(1) Nitrogen (2) Phosphorus

(3) Calcium (4) Potassium .

35. Elements of diffusion are-

(1) Knowledge, persuasion, decision, implementation and confirmation

(2) Awareness, interest, evaluation, trial and adoption

(3) Relative advantage, complexity, trialability, observability and compatibility

(4) Innovation, communication channels, time and social system

36. Ear-cockle of wheat is caused by-

(1) Nematode (2) Bacteria

(3) Fungi (4) Both nematode and bacteria

37. Technologies to manage spatial and temporal variability associated with all aspects of agricultural production is called-

(1) Integrated Farming System (2) Cooperative Farming

(3) Precision farming (4) Jhum Farming

38. Aquaporins facilitates the moment of water across the plasma membrane. Aquaporins are-

(1) Lipids (2) Carbohydrates

(3) Proteins (4) Phospholipids

39. Highly suitable crop for making good quality silage-

(1) Maize (2) Oats

(3) Lucerne (4) Cowpea

40. Correlation coefficient is value from -

(1) -1 to 1 (2) 0 to 1.

(3) Above 1 (4) - ∞ to ∞

41. The bulk of the powers is concentrated in the crystalline clay minerals of the soil colloids.

(1) Flocculation (2) Membrane potential

(3) Cation exchange (4) Resilication potential

42. In which rice disease kresek phase is there?

(1) Blast (2) Brown spot

(3) Sheath blight (4) Bacterial leaf blight

43. Cynodon dactylon is a -

(1) Perennial weed (2) Biennial weed

(3) Annual weed (4) Triennial weed

44. Among the following which medicinal crop naturally prevails in arid region of Thar desert?

(1) Buchanania lanzan (2) Jatropha curcas

(3) Citrullus colocynthis (4) Vetiveria zizanoides

45. Identify the nutrient which is function as secondary messenger?

(1) Sodium (2) Potassium

(3) Calcium (4) Magnesium

46. Identify the cell organelle which is not participating in photorespiration process?

(1) Chloroplast (2) Mitochondria

(3) Endoplasmic Reticulum (4) Peroxisome

47. The energy status of water at field capacity is-

(1) 0.10 to 0.30 MPa (2) 0.01 to 0.03 MPa

(3) 10 to 30 MPa (4) 100 to 300 MPa

48. Solvency of a business can be determined by evaluating the-

(1) Cash flow statement (2) Debt to equity ratio

(3) Price to earnings ratio. (4) Net income

49. Who is considered as father of tillage?

(1) Pietro de'Crescenzi (2) Jethro Tull.

(3) Norman Upoff (4) Norman Borlaugh

50. A component of drip fertigation system is-

(1) Rain gauge (2) Flat fan nozzle

(3) Ventury. (4) Hand sprayer

51. Non-verbal communication is-

(1) Oral communication (2) Written communication

(3) Use of gestures and postures (4) Oral and written communication

52. Which of the following silkworm disease is transovarial transmitted?

(1) Grasserie (2) Flacherie

(3) Pebrine (4) Muscardine

53. Zinc-coated urea should contain minimum ........... % Zn?

(1) 9 (2) 14

(3) 7 (4) 2

54. Which among these is the host plant for Kusumi strain of lac?.

(1) Schleichera oleosa (2) Butea monosperma

(3) Zizypus mauritiana (4) Acacia nilotica

55. If 3 genes are segregating following Mendel's 'Law of Independent Assortments', how many different types of genotypes will be observed in F2 generation?

(1) 3 (2) 16

(3) 27 (4) 64

56. Community Development (CD) Programme was launched on-

(1) August 15, 1952 (2) October 2, 1952

(3) October 2, 1953、 (4) October 2, 1955

57. Deltamethrin belongs to which chemical group?

(1) Synthetic pyrethroid (2) Neonicotinoid

(3) Diamide (4) Tetramic acid derivative

58. Which of the following is not a measure of dispersion-

(1) Mean deviation (2) Quartile deviation

(3) Standard deviation (4) Median

59. Which segment in male grasshoppers forms the genital segment?

(1) 8 abdominal segment (2) 9th abdominal segment

(3) 10th abdominal segment (4) 11th abdominal segment

60. Which glands in honey bees produces royal jelly?

(1) Mandibular glands. (2) Lateral pharyngeal glands

(3) Nasanov's glands. (4) Dufor's glands

61. Diffusion of Innovation theory has been given by-

(1) JP Leagens (2) EM Rogers

(3) Rayon and Gross (4) Gabriel Tarde

62. The saline soils have an electrical conductivity of ..............

(1) > 4 mmho/cm (2) < 1.25 mmho/cm

(3) 1.25 mmho/cm (4) 2.5 mmho/cm

63. Among the different multi-storey and multi-species cropping system which system sustain most in arid region?

(1) Date palm-Citrus-Pineapple (2) Aonla- Lasoda- Bael

(3) Ber-Ker-Phog (4) Pilu-Papaya-Phalsa

64. Zero stage of rust fungi is commonly known as-

(1) Pycniospore (2) Aeciaspore

(3) Urediospore (4) Teliospore

65. Identify the beneficial nutrient among the following nutrients?

(1) Calcium (2) Sodium

(3) Magnesium (4) Sulfur

66. During milking process, name the hormone responsible for milk let down-

(1) Estrogen (2) Thyroxin

(3) Oxytocin (4) Somatotropic hormone

67. A herbicide belonging to 'Amide' group is-

(1) Paraquat (2) Butachlor

(3) Glyphosate (4) Atrazine

68. The genetic architecture of a 'Clone variety' is-

(1) Homozygous and Heterogeneous (2) Heterozygous and Homogenous

(3) Homozygous and Homogeneous (4) Heterozygous and Heterogeneous

69. In classical production function, rational zone is always-

(1) First zone (2) Second zone

(3) Third zone (4) All the three zones

70. In Rajasthan under canal irrigation source the major area irrigated is through

(1) project. Chambal Project (2) Gurgaon canal project

(3) Ganga canal project (4) Bhakra Project

71. Holes in coconut tree trunk with protruding chewed fibrous material and brownish ooze is a characteristic symptom produced by which pest?

(1) Red palm weevil (2) Black headed caterpillar

(3) Coconut mite (4) Rhinoceros beetle

72. Moist soils which are relatively darker have lower ones.

(1) Impedance (2) Albedo

(3) Aggregate (4) Tilth

73. Critical stage of irrigation for wheat crop is-

(1) Pod formation stage (2) Fruit setting stage

(3) Boll formation stage (4) Crown root initiation stage than drier

74. The word 'Agronomy' is derived from-

(1) Latin Word (2) Sanskrit

(3) Greek word (4) Mandarin Chinese

75. Most suitable time for nursery raising of Kharif onion is-

(1) December- January (2) March-April

(3) May-June (4) September-October

76. The essentiality for Fe (iron) in plants is discovered by....

(1) C. Sprengel in 1839 (2) J.S. McHargue in 1922

(3) E. Gris in 1843 (4) K. Warington in 1923

77. 'Flor' gave the concept of 'Gene For Gene Hypothesis', while working on-

(1) Maize (2) Pea

(3) Linseed (4) Bajra

78. CIMMYT, Mexico maintains the germplasms of-

(1) Maize (2) Triticale

(3) Wheat (4) All of them

79. In which part of the atmosphere rainy clouds are formed-

(1) Mesosphere (2) Troposphere

(3) Thermosphere (4) Stratosphere

80. First Krishi Vigyan Kendra was established in the year-

(1) 1974 (2) 1962

(3) 1953 (4) 1952

81. Severity of 'Club root' of crucifers can be reduced by the application of-

(1) Gypsum (2) Lime

(3) Fertilizer (4) Wood chips

82. The compression ratios of the diesel engines are in the order of-

(1) 4 to 8:1 (2) 9 to 13:1

(3) 14 to 20:1 (4) 21 to 30:1

83. Which one of following soil textural classes (as per Triangular Texture diagram) is having higher sand content?

(1) Loamy sand (2) Sandy loam

(3) Sandy clay (4) Loam

84. Which one among the following extension programme was launched by Indian Council of Agricultural Research?

(1) T&V programme (2) Integrated Rural Development Programme (IRDP)

(3) Lab to Land Programme (4) ATMA

85. In which state of India, shifting cultivation is commonly practiced-

(1) Himachal Pradesh (2) Haryana

(3) Punjab (4) Arunachal Pradesh

86. Suitable storage temperature & relative humidity respectively for onion crop is-

(1) 0-2°C & 65-70% (2) 2-5°C & 80-85%

(3) 5-10°C & 50-60% (4) 10-13°C & 90-95%

87. Genetic purity of a pureline variety can be maintained by-

(1) Hybridization (2) Mass Selection

(3) Open pollination (4) Systematic crossing

88 .Pressler's formula for diameter increment is (where D is diameter after n years, d is initial diameter)

(1) P = (200 (D-d))/(n (D+d)) (2) P =200/nD

(3) P = (200 (D-d))/((D+d)) (4) P = (200 d)/n

89. Central Sheep and Wool Research Institute -CSWRI(ICAR) is located at-

(1) Makhdoom (2) Avikanagar

(3) Karnal (4) Hissar

90. The main combustible components of biogas are-

(1) Carbon Dioxide and Hydrogen (2) Carbon Dioxide and Nitrogen

(3) Carbon Dioxide and Hydrogen (4) Methane and hydrogen Sulphide

91. .............is the relative land area under sole crops that is required to produce the yields achieved in intercropping.

(1) Land Equivalent Ratio (2) Multiple Cropping Index

(3) Cropping Intensity (4) Crop Equivalent yield

92. Water movement through the apoplast pathway is obstructed by casparian strips which are present in-

(1) Pericycle (2) Endodermis

(3) Cortex (4) Epidermis

93. The objectives of the soil survey are to have a broad idea about the major soil groups.

(1) Detailed (2), Reconnaissance

(3) Detailed reconnaissance (4) None of the above

94. Which one is the bud and leaf nematode?

(1) Aphelenchoides (2) Ditylenchus

(3) Hoplolaimus (4) Tylenchorhynchus

95. The alkalinity in the alkali soils depends upon the relative concentration of and partial pressure of CO2 in the soil solution.

(1) MgCO3 and CaCO3 (2) Mg(HCO3)2 and CaCO3

(3) Na2 CO3 and CaCO3. (4) Na2CO3 and NaHCO3

96. Water dispersal of spore is called-

(1) Anemochory (2) Anthrochory

(3) Hydrochory, (4) Zoochory

97. 'Swarna Sub - I' is a famous variety of-

(1) Wheat (2) Rice

(3) Pigeon pea (4) Lentil

98. Sphacelotheca reiliana causes which disease in sorghum?

(1) Grain smut. (2) Head smut

(3) Loose smut (4) Long smut

99. Furrow openers used in zero till seed drills are-

(1) Shoe type. (2) Hoe type

(3) Inverted T Type (4) Disk type

100. Ber variety 'Thar Sevika' developed with the crossing of-

(1) Seb x Illachi (2) Gola x Katha

(3) Gola x Illachi (4) Seb x Katha