agronomy Mcqs
51. The soil has got______________?
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A. Two horizons

B. Seven horizons

C. Five horizons

D. Six horizons

52. Fumigating and warming soil by covering it with black plastic is called__________________?
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A. Fumigation

B. Mulching

C. Soil solarization

D. None of the above

57. The plants which grown on stream bank are__________________?
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A. None of the above

B. Bryophytes

C. Xerophytes

D. Pheritophytes
59. Breeder seed is the progeny of_____________________?
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A. Nucleus seed

B. Certified seed

C. Foundation seed

D. Registered seed

60. Which one of the following constitute the best defamation of fruit________________?
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A. A fruit is a product of flower

B. A fruit is post-fertilization product of the pistil

C. A fruit is a mature ovary that contain seed

D. A fruit is a product of ovary

61. A region with an annual rain fall of less than 10 inches comes under_________________?
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A. Arid climate

B. Temperature

C. Semi arid climate

D. Wet climate

62. Penetrometer are used for measuring__________________?
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A. Soil moisture

B. Soil seepage

C. Soil tilth depth

D. Soil compaction

63. Certification is not required for________________?
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A. Certified seed

B. Nucleus seed

C. Breeder seed

D. Foundation seed

65. The control and preservation of natural resources for present and future use is called_________________?
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A. None of above

B. Conservation

C. Crop residue management

D. Sustainability

67. Allclopatluc interactions in general and the allelochemicals in particular are viewed as an important tool for_______________?
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A. Pest and insect management

B. Disease and pest management

C. Weed and pest management

D. non of these

69. Integrated pest management involves________________?
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A. Chemical and cultural method

B. Only chemical control method

C. Chemical, cultural, and biological method

D. Only biological method

71. The ratio of actual cultivated area to a total farm area over the year is called __________________?
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A. Cropping intensity

B. Cropping pattern

C. Cost benefit ratio

D. Cropping system

73. Gassypium barbadense was developed from a cross between__________________?
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A. G. herbaceum and G. raimondii

B. G. hirsutum and G. raimondii

C. G. arborieum and G. raimondii

75. Cotton plant has mode of germination_________________?
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A. Buslry growth habit

B. Determinate type of growth

C. Indeterminate type of growth

D. Semi-determinate

76. Barani Agriculture institute is located at _________________?
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A. Peshawar

B. Islamabad

C. Chakwal

D. Rawalpindi

78. What is catchment____________________?
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A. An area of woody plantation

B. None of the above

C. Ail area of waterlogged condition

D. An area which drains in to pond
79. Number of irrigation required for cotton crop are______________?
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A. 5 irrigations

B. 8 irrigations

C. 6 irrigations
80. Crop ideotype refers to________________?
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A. All the above

B. Model plant type

C. Ideal plant type

D. Good plant type

81. The higher leachate conductivity is associated with__________________?
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A. Abnormal seeds

B. Immature seed?

C. All the above

D. Mature seeds

85. Recommended method for cotton sowing is________________?
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A. Ridge sowing method

B. Drill method

C. Broad cast method

D. non of these

87. Delta of water for cotton crop is________________?
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A. 18 acre inches

B. 25 acre inches

C. non of these

D. 30 acre inches

89. The substance that an enzyme acts upon is known as___________________?
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A. None of the above

B. Product

C. Mycotoxin

D. Substrate
91. Among the cotton exporting countries the number of America is___________?
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A. 3<sup>rd</sup>

B. 1st

C. 2<sup>nd</sup>

D. 4<sup>th</sup>

93. Seed bag labeled with white colour indicates_________________?
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A. Basic seed

B. Pure seed

C. Pre-basic seed

D. Certified seed

94. Total cropped area of Sindh is___________________?
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A. 3.75 million hac

B. 2.8 million hac

C. 4.5 million hac

D. 4.00 million hac
95. In Pakistan the area effected due to water erosion is about_________________?
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A. 13.05 million lia

B. 12 million to

C. 22 million ha

D. 15 million lva

98. Organisms which are genetically modified are called_________________?
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A. Mutagens

B. Hybrid

C. Strange organisms

D. Transgenic organisms
99. Hybrid seeds are developed because they_________________?
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A. Provide greater vigour

B. All the above

C. Are more uniform

D. Produce better crop

100. Growing more then one crop in a season in the same land is called________________?
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A. Double cropping

B. Intensive cropping

C. Intercropping

D. Monocropping