Agronomy Quiz III


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Agronomy Quiz III

Select one option out of four given options

  1. Gossypium hirsutum is a ________




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  3. Genus of cotton is ______




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  5. Gossypium barbadense was originated in?




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  7. Gossypium barbadense was developed from a cross between




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  9. First ginning machine was invented in _______




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  11. Among the cotton exporting countries the position of America is?




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  13. Who gave the formula of coefficient of velocity of germination?




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  15. Genetic purity of seed is determined by the ___________




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  17. High density grains are found mostly at




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  19. Better crop establishment especially for direct seeded rice can be obtained by the using




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  21. The higher leachate conductivity is associated with the _____________




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  23. Vigor index of seeding in rice can be determined on ___________




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  25. Electrolytes leakage is dependent on ____________




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  27. Azolla which fixes nitrogen in rice field is ___________.




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  29. The CO2 content in air is _____________.




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  31. Sowing seed without any tillage in the soil is called




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  33. Fertilizer application before seed sowing is called




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  35. Sexual reproduction in plants takes place by the ______________




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  37. Zinc deficiency generally observed in ______________




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  39. Plants adopted to arid regions are




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  41. Mutual association between fungi and roots of plant is known as __________




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  43. The plants which grow neither in dry nor in wet condition are known as _________




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  45. The soil contains ____________




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  47. The vegetation found on the high altitude mountain is _________




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  49. Green revolution came into being due to evolution of ___




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  51. The major source of foreign exchange earning is




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  53. The enzyme responsible for biological nitrogen fixation is _____________




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  55. The equipment used for separating, cleaning and grading small seeds from given sample is _________




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  57. Removal of cellular water followed by the shrinkage of protoplasm is due to




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  59. The ratio of actual cultivated area to the total farm area over the year is called ____________




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  61. Plants grown in dry region are _______




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  63. Solar emitted by the Sun reaches the earth surface absorbed and returned back in the form of _________________.




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  65. Main reason behind the shedding of the flower in cotton is ___________




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  67. Sex pheromones traps are used for the pest of ________




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  69. Root rot of cotton is ___________




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  71. Raising of only one crop in a year when there is seasonal supply of water is called __________-




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  73. Effect of allelopathic compound in the life cycle of plants cause inhibition of ___________




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  75. Annual rye grass release a chemical through its root that prevent _____________ germination




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  77. Allelopathy is an important component in the development of future integrated strategies for ___________




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  79. Allelpathic interaction in general and allelochemicals in particular are viewed as an important tool for ______________




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  81. Branch of science which deals with the cultivation of land is called as __________




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  83. Botanical name of American cotton is _________.




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  85. On the basis of cotton yield per hectare which country occupies first position




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  87. Cotton plant belongs to the _______________________ category




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  89. The mode of germination of cotton plant is




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  91. The productive branches in cotton is called _____________________




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  93. Best time for sowing of cotton is _________




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  95. Major source of sugar in the world is ______________




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  97. The depth of water required by the crops during the base period is called as




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  99. The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called?




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




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  103. The application of fertilizer nutrients in proportions best suited to the need of the crop is called




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  105. Soil water in excess of water hygroscopic and capillary water which moves downward through the soil by the force of gravity is called




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  107. Weedicide that kills the foliage of weeds by direct contact are as




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  109. The living together of two or more species in a prolonged and intimate ecological relationship is called _______




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  111. Pulling of off type plants from a crop is called




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  113. The ratio of actual cultivated area to the total form area over a year is called




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  115. The wearing away of the land surface by the wind water, ice and other geological agent is called as __________________-




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  117. The harmful influence of one living plant on another by the secretion of toxic substance is?




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  119. Which one of the following constitute the best definition of fruit




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  121. Barani Agriculture Research Institute is located at __________________




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  123. Certification is not required for _______________ seed




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  125. Prescribed germination percentage of foundation seed of ground nut is _____________




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  127. Crop rotation means growing ______________




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  129. Critical factor for crop production is _______________




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  131. Are of one hectare is ______________




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  133. The climate of Sindh province comes under




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  135. The management of kind by planting series of crops pastures or following to maximize production with sustaining land quality is called as




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  137. Crop ideotype refers to the




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  139. The experiment design that control fertility level into two direction is called as ______________




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  141. Soil reaction of preference of sugarcane is




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  143. There has been emphasis on the conservation of wild relatives of cultivated plants because wild plants




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  145. The process of converting food nutrients to carbohydrates in the plants is called as




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  147. Which which change from the vegetative growth to reproductive growth by producing flowers and fruits when the day become longer is called




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  149. When crop plants adopt to a new environment are called




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  151. The organism which do not prepare their own food and depend on the dead organisms are called




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  153. Dwarf varieties of wheat more resistance to the _______




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  155. Yield losses of rice crop due to weed infestation is about




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  157. Wheat is predominantly _________________ crop




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  159. Growing more than one crop in a season in a same land is called




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  161. A condition of green plants in which they become unhealthy and pale yellow in color is known as




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  163. The crops which are cultivated for grain purposes are called




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  165. The best soil for cotton cultivation is




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  167. The herbs plants have




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  169. Water courses are lined to avoid ____________




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  171. A method of controlling pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called




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  173. The transport of substance across a biological membrane against a concentration gradient is called




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  175. Number of crops grown on the same piece of land in a year and expressed in percentage is known as




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  177. In Pakistan the total length of canal system exceeds




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  179. In Pakistan the area effected due to water erosion is ______________




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  181. Low soil pH is the indication of ______________




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  183. N mineralization is mainly effected by soil pH




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  185. 2-4 D is synthetic herbicide derived from the __________-




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  187. Penetrometer is used for measuring




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  189. Excess of nitrogen to plants cause




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  191. Major cash crop of Pakistan is ____________




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  193. Genetically Wheat is _________________ plant




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  195. Number of chromosomes present in wheat cell is ______




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  197. In China cotton is cultivated as a crop in ____________




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  199. Cotton is a crop of _____________




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