Science & Technology

Nowadays, there is a separate section for General knowledge in most of the competitive exams and interviews, which plays a major role in final merit listing of Candidates.Science and Technology is very useful for those aspirants who are preparing for competitive exams such as Written test of Bank Exams, CAT Exams, Railway Exams, SSC, UPSC,Banking,Insurance, Defence and many more.

• Q36.In which disease of plant stem rot at soil line with brown to red lesions?

  A) Rhizoctonia
  B) Angular leaf Spot
  C) Bacterial Blight
  D) Bacterial Spot
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• Q37.Name a disease of plant in which fine webbing occurs on undersides of the leaves?

  A) Spider Mites
  B) Anthracnose
  C) Mealybugs
  D) Rhizoctonia
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• Q38.Name the disease of plant in which leaves, branches, fruits all are affected?

  A) Spider Mites
  B) Mealybugs
  C) Aphids
  D) Citrus Canker
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• Q39.In which of the following diseases of plant chlorophyll of the leaves get destroyed and leaves get shrinked?

  A) Mosaic disease of tobacco
  B) Citrus Canker
  C) Tundu disease of wheat
  D) Rhizoctonia
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• Q40.Bacterial blight of Rice disease of plant is caused due to which bacteria?

  A) Pseudomonas bacteria
  B) Xanthomonas citri bacteria
  C) Xanthomonas oryzae bacteria
  D) None of the above
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• Q41.In which disease of plant white mildew appears typically on underside of leaves?

  A) Cylindrocladium
  B) Angular leaf Spot
  C) Downy Mildew
  D) Black arm of Cotton
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• Q42.Name a disease of plant in which dark to light brown rot forms around wounded plant tissue?

  A) Gray Mold
  B) Citrus Canker
  C) Spider Mites
  D) None of the above
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