Plant Pathology Quiz II


Plant Pathology, Microbiology, General Agriculture, botany, biology, related questions and answers for FPSC, PPSC, PMS, CSS, NTS, SPSC and other tests, A complete guide for students and job seekers


Plant Pathology Quiz II

Select one option out of four given options

  1. Wilt of arhar is caused by the




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  3. Some _____________ varieties of apple exude toxic wax on leaf surface to prevent germination of conidia of podosphaera leucotricha




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  5. Some varieties of ______________ are resistant to the wilt due to the presence of hydrocyanidies (HCN) in root exudates.




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  7. Species Plantarum is the greatest contribution of;




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  9. Sporangium on germination produce vesicle in genera.




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  11. Stipe disease of barley is caused by the




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  13. Striga is plant parasite included in




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  15. Sugar beet cyst nematodes was reported by




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  17. Systemic fungicide was discovered by the




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  19. Severity of disease club root of cabbage can be reduced by the application of the




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  21. Sexual dimorphism means




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  23. Shapes of bacterial cells are




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  25. Smut gives the appearance of the




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  27. Smut of wheat is effectively controlled by the




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  29. The microorganism used in the brewing industry is




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  31. The nematode radopholus similes has shown the maximum number at a soil depth of




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  33. The organism included in the order pernosporales cause the disease known as




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  35. The organisms included in the order peronosporales cause the disease known as




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  37. The pant disease caused by an algae is




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  39. The plant disease primarily responsive for the "Great Bengal Famine" of 1943 was




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  41. The plant mycoplasmal disease are transmitted by the




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  43. The two important diseases of sugarcane would include




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  45. Taphrina causes the disease




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  47. The anal and vulval openings in nematodes are located in the




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  49. The _________ botanist of Micheli was the first scientist who in 1729 studied fungi and saw their spores




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  51. The causal organism of earcockle disease of wheat is




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  53. The discovery of ______________ mosaic by Meyer in 1886 was the beginning of the studies on the viruses as incident of disease in plants




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  55. The epidermal cell of _________ plant become filled with toxic terpenoid aldehyde after they are few days old and these cells are rarely penetrated by the pathogens




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  57. The founder of mycology was




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  59. The genra Claviceps Alternaria and Sclerospora are




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  61. Tundu disease of wheat is caused by the




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  63. Who proved that virus could pass through filters with pores small enough to retain bacteria




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  65. Ufra disease of rice is caused by the




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  67. Leaf curl of tobacco is caused by the




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  69. Uncinuls causes the disease




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  71. Used lens for the first time to study micro organisms




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  73. Virus ___________________ is transmitted by the nematodes




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  75. Who is known as father of nematology




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  77. When bacterial cells are subjected to the unfavorable condition they formed




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  79. Which are the cellulose attacking fungi at the time of decomposition of organic compound




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  81. The factors which induces disease outbreak is




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  83. Viral disease can be controlled by the




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  85. Stalk root of onion is caused by the




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  87. Malathrion and Parathrion insecticide belongs to the




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  89. The insecticide which have least mammalian toxicity are




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  91. The insects which transfer disease from one plant to another plant is known as




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  93. IPM is a pest control strategy in which




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  95. Malpighian tubules are organ of




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  97. Club root is the disease of the




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  99. The substance used to treat pesticide poisoning is called as




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  101. The viral disease can be controlled by the




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  103. Whip smut is the disease of the




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  105. The fungus belonging to the order Erysiphales cause




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  107. The beneficial relationship between two organisms living together is called as




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  109. The most devastating migratory pest is




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  111. The symptoms of the powdery mildew appears on the




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  113. Which fungus produces aflatoxin?




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  115. Which fungus suppresses various pathogenic fungi present in the soil




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  117. Which is citrus namatode




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  119. Which is sulphur bacteria




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  121. Which is the root knot nematode




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  123. Which of the following nematicide is a carbamate




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  125. Which of the following nematode attack above plant parts




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  127. Which of the following nutrient is supplied by mycorrhiza to the plant




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  129. Which of the following is gram positive bacterium




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  131. Which of them is poisonous mushroom




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  133. Which one of the following correctly define the period between inoculation and appearance of the first disease symptoms




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  135. Which one of the following group consists of systematic fungicide




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  137. Which one of the following helps in maintaining the shapes of the nematodes




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  139. Which one of the following is known as downy mildew fungus




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  141. Which one of the following is best method of controlling ear cockle disease of wheat




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  143. Which one of the following is the cause of spreading decline of citrus




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  145. Which one of the following is the correct mode of infection in Ergot of Bajra




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  147. Which one of the following is the correct order in which they appear during biocontrol operations




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  149. which one of the following pair is not correctly matched




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  151. Which one of the following pair of crop and disease is correctly matched




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  153. Which one of the following tissue is most suitable for tissue culture to produce virus free plants of potato




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  155. Which shows the symbiotic relationship




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  157. Which is the first plant bacterial disease reported




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  159. Whip smut of sugarcane is caused by the




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  161. White rust of crucifer is caused by the




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  163. Who for the first time discovered antibiotics




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