Agronomy Quiz II


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Agronomy Quiz II

Select one option out of four given options

  1. A crop grown on residual moisture after harvesting rice is called




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  2. The value of regression and correlation is the same when the correlation between two varieties is




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  3. Seed bag labelled with the white color indicated the _____




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  4. Hitting the seed with force against the hard surface to break the dormancy is known as




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  5. A substance on that enzyme act upon is known as;




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  6. Genetically modified organism are called;




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  7. The control and preservation of natural resources for present and future use is called




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  8. A process in which most of the organisms are killed is known as;




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  9. Primary air pollutant is




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  10. Diversity of animals and crop species in different ecosystem is called as ______.




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  11. A good source of vegetable protein is ______




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  12. The pH of Urea fertilizer is ______




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  13. WTO is the abbreviation of _________




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  14. Conducting experiments in controlled condition in glass house is called




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  15. Auxin and Cytokinin are __________




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  16. The series of transformation which a nutrient undergoes in a biosphere before returning to its original form is known as _______




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  17. In pulses limiting amino acids are




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  18. The ratio of treatment variance to the error variance is known as




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  19. Melilotus alba is an objectionable weed of




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  20. Among the important green house gases two are found in higher concentrations




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  21. Precise assessment of pest pressure to evaluate economic risk from pest infestations is called _______




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  22. Pasturing system that allows the short period of heavy use followed by the recover period is called




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  23. Income farm where the operator is producing primarily his families need rather than for sale is called




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  24. A treeless arctic plan are called as




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  25. The maximum working depth of disk plow is ________




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  26. Drip irrigation method is not suitable for closed space crop because




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  27. The movement of water in soil profile is known as _______




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  28. The critical stages in cotton are




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  29. Which one of the following is C4 plant




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  30. The lowest pest population that will cause economic damage is called




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  31. Gaseous loss of a substance from the soil or from fertilizer or from manure is called




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  32. Resistance of plants to living organisms is called




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  33. A foreign variety that is directly recommended for commercial cultivation os called




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  34. Integrated pest management is called as ________




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  35. Agro-ecological zones of Sindh are




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  36. Fertilizer requirement of wheat under medium loamy soil is




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  37. Are of an acre is ______




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  38. EC of saline soil is equal to or greater than




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  39. The depth of irrigation water required for the full crop period is called as




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  40. Controlled run off water supplies for irrigation and soil fertility is known as




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  41. Very hot and winter-less condition is called




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  42. A warm summer and pronounced winter season is called as




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  43. What is SAZDA




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  44. The technical name of Jantar is




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  45. Mesophytes are grown is




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  46. Root nodules in plants help in




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  47. Part of embryonic axis which develop into root is called




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  48. Tillage is field operation which help in cutting, loosening, inverting the soil for




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  49. Foliar application of nitrogen means applying nitrogen in solution form to




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  50. The available form on nitrogen to the plant is




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  51. ph of natural water is equal to _______




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  52. A method of estimating seed vigor on the basis of color intensity of the stained seed was described by?




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  53. Genetic purity is assessed through the




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  54. Hybrid seeds are developed because they




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  55. The systematic arrangement of soil into groups or categories is called




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  56. Removal of branches for forage purpose is called as




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  57. The deficient level of nitrogen(%) in plants suggested by the various workers




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  58. Initial vegetation that invades and occupies the area is called




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  59. The total dry matter produced by the plant as a resulting of photosynthesis is called as




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  60. In rice high silicon content, in shoot confers resistance to _______




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  61. Oka (1975) has suggested that mean population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be ____




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  62. Who described the method of estimating seed vigor on the basis of color intensity of stained seed




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  63. Seeds of wheat paddy and maize showed positive correlation with germination and viability as determined by the




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  64. One rooting hormone occurring naturally in plant is




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  65. Pakistan has forest area of about




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  66. The severe salinity problem has taken land out of production as 50%




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  67. In wheat crop nitrogen uptake per ton of grain is about _______




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  68. Too much Mg may create deficiency for _____




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  69. The contact herbicide are less effective to ____




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  70. Tensiometer is used to measure ______




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  71. Mg in plants acts as _____




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  72. The given off water vapours from the surface of the leaves is called as




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  73. The oxygen concentration in the air is _______________




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  74. Cultivation of same crop year after year is called




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  75. Highly decomposed stage of organic matter is called as ______




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  76. Narcotic crops mainly grown in Pakistan is _____




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  77. Partially decomposed organic matter is termed as




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  78. The layer of atmosphere which blocks ultraviolet rays from Sun is




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  79. Symptoms of Phosphorus deficiency in Plants are _____




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  80. The condition of drying of plant parts due to lack of water is called as




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  81. plant uptake their nutrients from




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  82. Who gave the formula for speed of germination




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  83. Progeny of Breeder seed is called




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  84. Abnormal seeding growth in rice may be due to




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  85. Abnormal seeding growth in rice closely related with the




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  86. The potential means of enhancing productivity is




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  87. Electrolytes leakage is found greater in




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  88. Use of linear measurement of Plumule growth as a vigor test was first suggested by the




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  89. Air contains ____________________ nitrogen




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  90. Seed leachate conductivity is significantly higher in seed having




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  91. In wheat production of certified seeds need an isolation distance of




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  92. Total cropped area of Sindh is?




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  93. Insect acts as vector of CLCV transmission is




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  94. Causal organism of root rot of cotton is




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  95. IPM is stands for




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  96. Allelopathic interaction in plant play important role in




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  97. Sunflower is an allelopathic crop to many




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  98. Allelochemical may enter in the soil through the process of




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  99. The allelochemicals are broadly classified as




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  100. Ratio of the economic yield to the biological yield expressed in term of percentage is called as




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