Plant Pathology MCQs Set V


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 V

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  1. The planting of mushroom spawn in to the prepared substrate or compost is called




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  3. Culture derived by isolation of a single spore and its subsequent germination and development into mycelium is called




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  5. A microscopic cell capable of developing into an adult organism but not containing a performed




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  7. The scientific term for the stem of the mushroom is called




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  9. A layer of hyphae in the central part of a gill is called




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  11. The knob in the center of the pileus of certain mushroom is called




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  13. Amanita phalloides is the group of mushroom, which is




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  15. Poisonous mushroom are mostly




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  17. Pathology is derived from two words of




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  19. The five kingdoms classification of fungi proposed in 1969 by




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  21. The DNA based classification of fungi is proposed in 1996, separated the lower fungi under the kingdom




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  23. On the global basis over all annual crop losses is about




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  25. Annual crop losses due to different diseases is about




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  27. The famous Bangal famine due to brown leaf spot of rice occured during the year




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  29. Yellowing of normally green tissue due to chlorophyll degradation is known as




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  31. In fungi the homothallic sexual reproduction takes place on




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  33. Asprgillus niger is also known as




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  35. Production of Zoospores is characterized to class




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  37. The bacterial cells that lack of flagella are known as




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  39. First Quarantine law was implemented in 1960 by




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  41. In standard Bordeaux mixture the ratio of different contents is




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  43. Abnormal enlargement of plant tissues due to some diseases is called




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  45. The term witches’ broom attributed towards




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  47. The first idea of mycotoxin came from England due to Turkey”X” disease in the year




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  49. Aflatoxin causes damage to liver is a product of




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  51. The ever first evaluated fungicide based on




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  53. Black or stem rust of wheat occurs in the month of




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  55. Gram blight is a serious disease of




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  57. Citrus canker disease is caused by bacterium of




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  59. Late blight of potato caused famine in Ireland in the year




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  61. In case of apple scab disease development favours by




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  63. Alternate host of brown leaf rust of wheat is




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  65. Foot rot disease of rice is caused by a




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  67. Teliospores are produced in a fungal group called as




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  69. The fungi which absorbed their food from wood called as




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  71. Amanita mushrooms included in group of




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  73. Bacteria reproduced asexually by means of




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  75. Mycoplasmas are prokaryotes which lack




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  77. Needham observed nematodes within small rounded wheat kernels for the first time in




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  79. Koch proposed “Koch’s Postulates” which are used to confirm the pathogenicity in the year.




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  81. In 1886 ‘Tobacco Mosaic virus’ disease is firstly reported by




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  83. Up till1936, it is believed that virus actually consisted of not only proteins but also a small amount of




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  85. In 1967, Doi et al in Japan observed a new microorganism group named as




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  87. Control of citrus tristeza and some other viral diseases has been achieved by




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  89. In the late 1980s, a new technology was introduced to control plant diseases.




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  91. Cloudy weather in spring favours the scabe disease development with optimum temperature of




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  93. The fruiting body of Venturia inaequalis fungus called as




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  95. Early blight of potato a fungal disease caused by




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  97. The juice obtained from red rot infected canes gives bad odour like




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  99. In case of red rot of sugarcane the main source of primary inoculum is




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  101. Zn deficiency is a common problem in




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  103. Bacterial blight of cotton is also called as




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  105. Ear cockle of wheat is a nematode disease which attack on




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  107. Tirak or Bad Opening of Bolls of Cotton is mainly due to deficiency of




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  109. Potato cyst nematodes were also called as




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  111. Cotton Leaf Curl Virus (CLCuV disease appeared firstly in Multan in the year




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  113. Cotton Leaf Curl Virus introduced in Pakistan through import of cotton seed from




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  115. The typical CLCuV symptoms are leaf enation and




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  117. In nature CLCuV virus is transmitted by




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  119. Incubation period for CLCuV virus varies from




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  121. The alternate hosts of CLCuV is




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  123. Banana Bunchy Top Virus (BBTV) is transmitted through




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  125. Thermal inactivation point of potato leaf roll virus is




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  127. The mild mosaic is the general symptom clearly visible in case of




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  129. Sugarcane mosaic disease was first recorded in 1892 from




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  131. Citrus tristeza Virus belongs to group




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  133. Citrus Aphids transmit the tristeza virus through a manner




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  135. Citrus canker disease is favoured by mild )20-30 °C) and




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  137. Angular leaf spot of cotton mostly effect the plant parts




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  139. The wheat rust fungi produced spore during ii stage of life




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  141. The wheat rust fungi are obligate parasites which belongs to family




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  143. The heteroecious wheat rust species typically develop fruiting bodies on another host




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  145. In some fungi mycelium form thick strands known as




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  147. The reproductive organs arise from only a portion of the thallus called as




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  149. If the spore cell becomes enveloped in a thick wall before separating known as




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  151. Fungi producing both male and female sex organs on the same thallus called as




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  153. Synchytrium, and Physoderma are the members of phylum




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  155. Pale brown spots causing target board effect on leaves, appear in




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  157. CLCuV morphologicaly consist of




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  159. Chemically a virus particle consist of




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  161. In bacteria respiration take place throug




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  163. Members of family Erysiphaceae cause serious group of diseases called




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  165. Peach leaf curl was first originated from




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  167. Spores of wheat bunt give bad smell like




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  169. How many basidiospores are produced in uredinales




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  171. Crown gall of tomato disease is produced by




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  173. White rust crusifer is produced by a fungus named




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  175. Standard moisture contents for healthy seeds is




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  177. The initial seed obtain from selected individual plants of a particular variety is




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  179. The standard purity in register seed should be




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  181. The most abundant storage fungi includes mainly several species of




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  183. The fungi coelomyces are used as biological control agent to kill




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  185. The members of division Gracilicutes bacteria have a cell envelope




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  187. which one pathogen is cannot grow on culture media




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  189. Nematodes posses all the physiological systems like animals except




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  191. Dodders are complete parasites belong to family




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  193. Poor root system and burning appearance of crops is due to




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  195. Old bunt of wheat mostly found in




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