Plant Pathology MCQs Set III


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 III

Select one option out of four given options

  1. A nematode species with an approximately equal number of males and female in given population probably reproduce by:




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  3. The excretory system in adenophorea is characterized by:




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  5. A discrete group of perikaryons can be interpreted as a:




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  7. A type of free ending which monitor pressure, posture or mechanical deformity is a:




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  9. Sister species are best described as species which:




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  11. A Peltamigrtus male can be readily distinguished from Aorolaimus male, even if the lateral field and phasmids are obscure because:




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  13. Juveniles of Meloidogyne can easily be distinguished from those of Tylenchulus on the bases of excretory system because:




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  15. An ovotestis in nematodes, is likely to occur where reproduction is:




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  17. Dieirds occur:




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  19. Which one of the following genera does not have two ovaries?




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  21. One important difference between Longidorus and Xiphinema is that:




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  23. One way in which Hoplolaimidae differs from Tylenchoridae is that:




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  25. A juvenile of Radpholus similis differs from Pratylenchus spp. is that:




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  27. Which of the following categories does not include Prartrichodorus?




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  29. Which one of the following has relatively minute phasmid?




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  31. Recent studies on Caenorhabtis elegans suggest that earlier concepts of nematode were




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  33. A nematode in which only lateral lines are crossed by annulations is best described as:




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  35. Inner label papillae (sensillae) are probably chemoreceptor because:




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  37. An example of a nematode with a post-vulvur utrine sac is:




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  39. A nematode with two ovaries directed in opposite direction is:




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  41. A nematode with one ovary directed anterior to vulva is:




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  43. Telogonic ovaries are because:




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  45. Hologonic ovaries because:




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  47. A full complement of sensillae in the head region of nematode, excluding amphids is:




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  49. The feeding habit of root knot nematode is:




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  51. Feeding habit of Prtylenchus is:




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  53. Feeding habit of Xiphinema is:




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  55. Disease triangle comprised of:




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  57. Penetration of plant tissues by bacteria is mostly:




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  59. Plant nematology is the study of




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  61. Infection is a process involving:




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  63. Horizontal resistance is effect against:




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  65. Vertical resistance is effective against:




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  67. Hyperplasia is best described as:




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  69. Hypertrophy is best described as:




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  71. Latent infection is defined as:




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  73. Damping-off is best described as




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  75. Dikaryotic mycelium is because:




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  77. Dieback is known because of:




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  79. Density gradient centrifugation is because:




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  81. Cytoplasmic resistant is beause:




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  83. Disinfestant differs from disinefectant from ecach because:




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  85. Forma specialis (F. sp.) is a category of pathogen which infects:




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  87. Fission is a process best described as:




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  89. Phytoanticipins




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  91. Phytoalexins are defined as:




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  93. Resistant plants differ from tolerant plant:




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  95. Perithecium, a fungal fruiting is best described as:




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  97. Apothecium, a fungal fruiting is best described as:




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  99. Plant pathogenesis-related protein are:




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  101. Juvenile differs from adult nematode because:




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  103. Number of molts in nematode is:




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  105. J2 hatch from eggs of most of the plant parasitic nematodes except:




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  107. Root knot nematode differs from cyst nematode because:




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  109. One nematode genera vector virus that is:




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  111. Grape leaf fan virus is transmitted by:




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  113. Tobacco Rattle viruses (Tobra) are vectored by genus:




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  115. Nematode-transmitted polyhedral viruses (NEPO) are vectored by genus:




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  117. Gelatinous mass in root knot nematode is produced from:




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  119. Root knot nematode was first reported by:




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  121. Recently National Nematology lab in UAF has been established by




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  123. First course of nematology course was taught at University of Agriculture, Faisalabad, Pakistan by:




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  125. Elicitors are:




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  127. Stubborn disease of citrus is caused by .




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  129. The cell wall is surrounded in some bacteria by a polysaccharide in the form of a definite layer called




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  131. The minute hair-like superficial appendages, covering the surface of most of the Gram –ve bacteria are called




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  133. The photosynthetic bacteria have




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  135. The particles concerned with bacterial genome replication and septum formation during the cell wall division are called




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  137. Mucopeptide forms major portion (85%) of the cell wall in the.




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  139. The most important factor in the multiplication of plant pathogenic bacteria is




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  141. Plant pathogenic bacteria are




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  143. Xylem-limited fastidious bacteria can be cultured on




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  145. The nematodes lack one of the systems that is:




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  147. Mycophagous




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  149. People who love and knowledge of mushrooms are called




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  151. An association of roots with fungus is called




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  153. How many phases in composting are?




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  155. The branch of biology dealing with the functions and vital processes of living organisms and their components is called




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  157. A tissue covering mushrooms as they develop is called




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  159. Chinese mushroom is also called




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  161. Mushroom is Enriched food




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  163. Mushroom contains water contents




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  165. Ganoderma lucidum is a leader of




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  167. The haploid mycelium derived from basidiospores is called




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  169. A culture that contains a population of only one specie is called




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  171. The annulus is a




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  173. Saprophagous




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  175. A technique of mushroom cultivation in which plants and fungus are grown together to obtain fruiting bodies is called




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  177. A dot like visible indication of mushroom primodium formation in a mycelium that can be distinguished and will form mushroom is called




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  179. The occurenece of more than one distinct form in the life cycle is called




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  181. Any of large group of mostly tough, wood inhibiting mushrooms, which bear their spores, is called




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  183. The mouths of the tubes in boletes and polypores are called




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  185. The substrate in which mushroom mycelium has developed and which will be used as a seed in propagation for mushroom production is called




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