Plant Pathology MCQs Set IX


The quiz is designed to assess your understanding about the Plant Pathology. These MCQss is prepared by the professors of Plant pathology department and very much helpful for CSS, PMS, NTS, PPSC, FPSC, SPSC, lecturer, GRE Subject and all other competitive examinations. Choose the best answer from four given options. The answer keys is given at the end of the test


Plant Pathology MCQs Set IX

Select one option out of four given options

  1. The conjugation of bacteria can be mediated by:




  2. See answer
    The correct answer is (1)

    https://theinfobia.com

  3. Viroids can be detected through:




  4. See answer
    The correct answer is (4)

    https://theinfobia.com

  5. The disease caused by the alga is called (




  6. See answer
    The correct answer is (1)

    https://theinfobia.com

  7. MLO are transmitted by




  8. See answer
    The correct answer is (3)

    https://theinfobia.com

  9. Ufra disease of rice is a




  10. See answer
    The correct answer is (1)

    https://theinfobia.com

  11. A key enzyme in the metabolism of phenolics is :




  12. See answer
    The correct answer is (3)

    https://theinfobia.com

  13. When host resistance is equally effective against all races of a pathogen:




  14. See answer
    The correct answer is (2)

    https://theinfobia.com

  15. Streptomycin is used to control the:




  16. See answer
    The correct answer is (2)

    https://theinfobia.com

  17. Cauliflower mosaic virus (CaMV) is the plant virus with:




  18. See answer
    The correct answer is (4)

    https://theinfobia.com

  19. A five kingdom classification of living world was proposed by




  20. See answer
    The correct answer is (3)

    https://theinfobia.com

  21. Fungi in which sexual compatibility is controlled by one pair of gene are also called:




  22. See answer
    The correct answer is (2)

    https://theinfobia.com

  23. The coupling of oxidation of glucose with the addition of phosphate to ADP to produce ATP is called:




  24. See answer
    The correct answer is (1)

    https://theinfobia.com

  25. Copying of messenger RNA into proteins is known as:




  26. See answer
    The correct answer is (2)

    https://theinfobia.com

  27. The penicillin was discovered in 1928 by




  28. See answer
    The correct answer is (3)

    https://theinfobia.com

  29. The ascogonia are usually globular and bear a hairlike outgrowth called:




  30. See answer
    The correct answer is (1)

    https://theinfobia.com

  31. In rusts and smuts the karyogamy and meiosis occur in special spores called




  32. See answer
    The correct answer is (3)

    https://theinfobia.com

  33. The word “Todestool” means




  34. See answer
    The correct answer is (3)

    https://theinfobia.com

  35. The particles concerned with bacterial genome-replication and septum formation during the cell division are called:




  36. See answer
    The correct answer is (2)

    https://theinfobia.com

  37. The oxidation of organic compounds by oxygen is called :




  38. See answer
    The correct answer is (1)

    https://theinfobia.com

  39. The presence of two types of symmetry in the viral protein coat is called




  40. See answer
    The correct answer is (1)

    https://theinfobia.com

  41. The phages that show lysogenic cycle are called




  42. See answer
    The correct answer is (3)

    https://theinfobia.com

  43. When petals become green due to virus infection, it is called




  44. See answer
    The correct answer is (1)

    https://theinfobia.com

  45. Prions mean:




  46. See answer
    The correct answer is (3)

    https://theinfobia.com

  47. Complete elimination of pathogen from the surface with chemical or heat is called




  48. See answer
    The correct answer is (2)

    https://theinfobia.com

  49. The water contained in the vesicle exerts pressure on the sporangium and on bursting throws it away to a greater distance .This is known as




  50. See answer
    The correct answer is (2)

    https://theinfobia.com

  51. Dissemination of spores through wind is called:




  52. See answer
    The correct answer is (1)

    https://theinfobia.com

  53. The correct word for the study of fungi is




  54. See answer
    The correct answer is (2)

    https://theinfobia.com

  55. Downward movement of spores due to conventional currents is known as




  56. See answer
    The correct answer is (1)

    https://theinfobia.com

  57. When due to the intensification of the inoculum it is not possible to grow that crop in that area is called




  58. See answer
    The correct answer is (3)

    https://theinfobia.com

  59. Occurrence of plant diseases at very irregular intervals and locations and in relatively a few instances is called




  60. See answer
    The correct answer is (4)

    https://theinfobia.com

  61. The layer which inhibit the invasion of pathogen beyond the initial lesion but also block the spread of any toxic substances that the pathogen may secrete is called as:




  62. See answer
    The correct answer is (3)

    https://theinfobia.com

  63. When a given variety does not have an antigen that is present in a particular pathogen race, the variety is to that race




  64. See answer
    The correct answer is (2)

    https://theinfobia.com

  65. The conidiophores dark, simple , elongate or short conidia dark with both cross and longitudinal septa ,elliptical to ovoid and in chain in case of genus:




  66. See answer
    The correct answer is (3)

    https://theinfobia.com

  67. The type of resistance which is qualitative non-uniform, unstable and have no intermediate grade is called:




  68. See answer
    The correct answer is (4)

    https://theinfobia.com

  69. TMV is very destructive and cause colossal losses to tobacco crop can be transmitted through:




  70. See answer
    The correct answer is (4)

    https://theinfobia.com

  71. Female whitefly,a vector of CLCuV,is more efficient than male :




  72. See answer
    The correct answer is (1)

    https://theinfobia.com

  73. Sudden and fundamental change in heredity producing new individuals unlike their parents is called




  74. See answer
    The correct answer is (4)

    https://theinfobia.com

  75. The disease “citrus stubborn”is caused by




  76. See answer
    The correct answer is (1)

    https://theinfobia.com

  77. The risk assessment, required for deciding a resistant crop or cultivar should be grown in a region where certain viruses regularly occur,is mostly called




  78. See answer
    The correct answer is (1)

    https://theinfobia.com

  79. Paired virus containing single stranded DNA is called




  80. See answer
    The correct answer is (4)

    https://theinfobia.com

  81. The technique emplopyed for the protein blotting is called




  82. See answer
    The correct answer is (3)

    https://theinfobia.com

  83. The minimum period that a vector needs to acquire virus from a disease source




  84. See answer
    The correct answer is (2)

    https://theinfobia.com

  85. A spore capable of moving by cilia or flagella is called




  86. See answer
    The correct answer is (2)

    https://theinfobia.com

  87. A cup like structure at the base of stipe in agaric mushrooms is called




  88. See answer
    The correct answer is (3)

    https://theinfobia.com

  89. Oranisms capable of growing at low temperature are called




  90. See answer
    The correct answer is (2)

    https://theinfobia.com

  91. Viruses those do not circulate within the vector but possess the ability of retention of virus for a few days before transmission are called




  92. See answer
    The correct answer is (4)

    https://theinfobia.com

  93. A substance produced by one microorganism and inhibiting or killing the other mirooganism is called




  94. See answer
    The correct answer is (3)

    https://theinfobia.com

  95. A substance used to counteract the effects of a poison is called




  96. See answer
    The correct answer is (3)

    https://theinfobia.com

  97. Degeration or under development of a plant part or an organ is called




  98. See answer
    The correct answer is (2)

    https://theinfobia.com

  99. Geral and rapid killing of leaves,flowers or stems is called




  100. See answer
    The correct answer is (1)

    https://theinfobia.com

  101. A completely closed ascocarp is called




  102. See answer
    The correct answer is (2)

    https://theinfobia.com

  103. A fungus which can exist in either filamentous or a yeast-like growth form is called




  104. See answer
    The correct answer is (2)

    https://theinfobia.com

  105. Cell or projection connecting spores in a chain is known as




  106. See answer
    The correct answer is (3)

    https://theinfobia.com

  107. More rapid growth of the upper side of an organ is called




  108. See answer
    The correct answer is (1)

    https://theinfobia.com

  109. Distortion due to cell injury is called




  110. See answer
    The correct answer is (3)

    https://theinfobia.com

  111. Organisms difficult to isolate or culture on ordinary culture medium are called




  112. See answer
    The correct answer is (1)

    https://theinfobia.com

  113. Fungi in which male and female gametes are produced on distinct mycelia are called




  114. See answer
    The correct answer is (2)

    https://theinfobia.com

  115. Organisms those attack living tissues but may continue to sporulate after the tissue is dead are called




  116. See answer
    The correct answer is (3)

    https://theinfobia.com

  117. Elongated, unsegmented, cylindrical worm is called




  118. See answer
    The correct answer is (4)

    https://theinfobia.com

  119. Requring many years to complete of life or disease cycle is referred to as




  120. See answer
    The correct answer is (3)

    https://theinfobia.com

  121. Removal and burning of infected plant parts is called




  122. See answer
    The correct answer is (1)

    https://theinfobia.com

  123. A small blister like elevation of epidermis is called




  124. See answer
    The correct answer is (2)

    https://theinfobia.com

  125. A large, naked, non-motile female gamete in Oomyetes is called




  126. See answer
    The correct answer is (2)

    https://theinfobia.com

  127. A virus which does not cause a disease is called




  128. See answer
    The correct answer is (3)

    https://theinfobia.com

  129. Outer wall of fungal fruiting body or fruitification is called




  130. See answer
    The correct answer is (3)

    https://theinfobia.com

  131. Evolution of race or species is called




  132. See answer
    The correct answer is (3)

    https://theinfobia.com

  133. Formae specialis is




  134. See answer
    The correct answer is (3)

    https://theinfobia.com

  135. Long or needle shaped spore is called




  136. See answer
    The correct answer is (4)

    https://theinfobia.com

  137. A mechanism whereby recombination of hereditary properties occurs within fungal heterokaryons is known as




  138. See answer
    The correct answer is (3)

    https://theinfobia.com

  139. One parts per million (ppm) is equal to




  140. See answer
    The correct answer is (1)

    https://theinfobia.com

  141. First record of the plant disease named by a philosopher




  142. See answer
    The correct answer is (2)

    https://theinfobia.com

  143. Modern plant pathology begins by:




  144. See answer
    The correct answer is (3)

    https://theinfobia.com

  145. Kochs’ Postulates were formulated in:




  146. See answer
    The correct answer is (3)

    https://theinfobia.com

  147. First test book on modern plant pathology was published by




  148. See answer
    The correct answer is (2)

    https://theinfobia.com

  149. Important plant diseases found in olden times are:




  150. See answer
    The correct answer is (3)

    https://theinfobia.com

  151. Due to certain disease change in colour of the foliage or fruits due to the




  152. See answer
    The correct answer is (1)

    https://theinfobia.com

  153. Destruction of organs in plants may be due to:




  154. See answer
    The correct answer is (4)

    https://theinfobia.com

  155. Some organs of the diseased plant may be stimulated by the reaction of the parasite due to:




  156. See answer
    The correct answer is (2)

    https://theinfobia.com

  157. In the disease cycle in case of black wart disease of potato, repeated mitotic nuclear divisions results in the formation of:




  158. See answer
    The correct answer is (3)

    https://theinfobia.com

  159. Pre-emergence damping off in case of seedling disease, encourage by:




  160. See answer
    The correct answer is (2)

    https://theinfobia.com

  161. The bacterial cell that do not possesses flagella and are non motile are known as:




  162. See answer
    The correct answer is (2)

    https://theinfobia.com

  163. Ear cochle disease of wheat is caused by:




  164. See answer
    The correct answer is (3)

    https://theinfobia.com

  165. First quarantine law was passed in 1660 by:




  166. See answer
    The correct answer is (1)

    https://theinfobia.com

  167. Black or stem rust of wheat occurs in




  168. See answer
    The correct answer is (2)

    https://theinfobia.com

  169. Spores of bunt give had smell like




  170. See answer
    The correct answer is (1)

    https://theinfobia.com

  171. Spores balls are farmed in case of




  172. See answer
    The correct answer is (3)

    https://theinfobia.com

  173. Loose smut disease causes ____________losses of wheat in world production.




  174. See answer
    The correct answer is (4)

    https://theinfobia.com

  175. To decrease the hazards of root rot intercropping of cotton with ____________is recommended.




  176. See answer
    The correct answer is (3)

    https://theinfobia.com

  177. Gram blight is a serious disease in ____________




  178. See answer
    The correct answer is (2)

    https://theinfobia.com

  179. Tikka disease of ground nut is more prevalent in ___________




  180. See answer
    The correct answer is (4)

    https://theinfobia.com

  181. Pale brown spots forming concentric zones on leaves appear in ____________




  182. See answer
    The correct answer is (2)

    https://theinfobia.com

  183. Red rot of sugar cane usually attack on




  184. See answer
    The correct answer is (1)

    https://theinfobia.com

  185. Claviceps purpurea is used to produce ____________




  186. See answer
    The correct answer is (3)

    https://theinfobia.com

  187. Citrus wither tip disease starts spreading from ____________




  188. See answer
    The correct answer is (1)

    https://theinfobia.com

  189. Lime sulphur mixture is used in ____________ ratio for the control of citrus wither tip.




  190. See answer
    The correct answer is (3)

    https://theinfobia.com

  191. Best way to control Mango anthracnose is ____________




  192. See answer
    The correct answer is (2)

    https://theinfobia.com

  193. Great reduction in leaf size due to attack of parasites is called ____________




  194. See answer
    The correct answer is (1)

    https://theinfobia.com

  195. Disease require ____________to appear in epidemic form.




  196. See answer
    The correct answer is (4)

    https://theinfobia.com

  197. Black wart of potato was first recorded in ___________




  198. See answer
    The correct answer is (3)

    https://theinfobia.com

  199. Famous Irish Famine occur in ____________




  200. See answer
    The correct answer is (1)

    https://theinfobia.com

All Answers

  1. [1]
  2. [4]
  3. [1]
  4. [3]
  5. [1]
  6. [3]
  7. [2]
  8. [2]
  9. [4]
  10. [3]
  11. [2]
  12. [1]
  13. [2]
  14. [3]
  15. [1]
  16. [3]
  17. [3]
  18. [2]
  19. [1]
  20. [1]
  21. [3]
  22. [1]
  23. [3]
  24. [2]
  25. [2]
  26. [1]
  27. [2]
  28. [1]
  29. [3]
  30. [4]
  31. [3]
  32. [2]
  33. [3]
  34. [4]
  35. [4]
  36. [1]
  37. [4]
  38. [1]
  39. [1]
  40. [4]
  41. [3]
  42. [2]
  43. [2]
  44. [3]
  45. [2]
  46. [4]
  47. [3]
  48. [3]
  49. [2]
  50. [1]
  51. [2]
  52. [2]
  53. [3]
  54. [1]
  55. [3]
  56. [1]
  57. [2]
  58. [3]
  59. [4]
  60. [3]
  61. [1]
  62. [2]
  63. [2]
  64. [3]
  65. [3]
  66. [3]
  67. [3]
  68. [4]
  69. [3]
  70. [1]
  71. [2]
  72. [3]
  73. [3]
  74. [2]
  75. [3]
  76. [1]
  77. [4]
  78. [2]
  79. [3]
  80. [2]
  81. [2]
  82. [3]
  83. [1]
  84. [2]
  85. [1]
  86. [3]
  87. [4]
  88. [3]
  89. [2]
  90. [4]
  91. [2]
  92. [1]
  93. [3]
  94. [1]
  95. [3]
  96. [2]
  97. [1]
  98. [4]
  99. [3]
  100. [1]