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




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




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




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




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  11. Genetically modified organism are called;




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




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




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  17. Primary air pollutant is




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




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  21. A good source of vegetable protein is ______




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  23. The pH of Urea fertilizer is ______




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  25. WTO is the abbreviation of _________




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




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  29. Auxin and Cytokinin are __________




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




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  33. In pulses limiting amino acids are




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




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  37. Melilotus alba is an objectionable weed of




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




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




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




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




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  47. A treeless arctic plan are called as




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  49. The maximum working depth of disk plow is ________




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




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




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  55. The critical stages in cotton are




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  57. Which one of the following is C4 plant




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




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




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  63. Resistance of plants to living organisms is called




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




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  67. Integrated pest management is called as ________




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  69. Agro-ecological zones of Sindh are




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  71. Fertilizer requirement of wheat under medium loamy soil is




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  73. Are of an acre is ______




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




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




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




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  81. Very hot and winter-less condition is called




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




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  85. What is SAZDA




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  87. The technical name of Jantar is




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  89. Mesophytes are grown is




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  91. Root nodules in plants help in




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




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




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




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  99. The available form on nitrogen to the plant is




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  101. ph of natural water is equal to _______




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




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  105. Genetic purity is assessed through the




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  107. Hybrid seeds are developed because they




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




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  111. Removal of branches for forage purpose is called as




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




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




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




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




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




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




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  127. One rooting hormone occurring naturally in plant is




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  129. Pakistan has forest area of about




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




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




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  135. Too much Mg may create deficiency for _____




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  137. The contact herbicide are less effective to ____




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  139. Tensiometer is used to measure ______




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  141. Mg in plants acts as _____




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




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  145. The oxygen concentration in the air is _______________




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  147. Cultivation of same crop year after year is called




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




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  151. Narcotic crops mainly grown in Pakistan is _____




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  153. Partially decomposed organic matter is termed as




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




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  157. Symptoms of Phosphorus deficiency in Plants are _____




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




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  161. plant uptake their nutrients from




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  163. Who gave the formula for speed of germination




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  165. Progeny of Breeder seed is called




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  167. Abnormal seeding growth in rice may be due to




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  169. Abnormal seeding growth in rice closely related with the




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  171. The potential means of enhancing productivity is




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  173. Electrolytes leakage is found greater in




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




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  177. Air contains ____________________ nitrogen




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  179. Seed leachate conductivity is significantly higher in seed having




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




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  183. Total cropped area of Sindh is?




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  185. Insect acts as vector of CLCV transmission is




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  187. Causal organism of root rot of cotton is




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  189. IPM is stands for




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  191. Allelopathic interaction in plant play important role in




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  193. Sunflower is an allelopathic crop to many




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




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  197. The allelochemicals are broadly classified as




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




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