7th Class Science Wastewater Story Question Bank

done Self Test-16 Total Questions - 10

• question_answer1)
  The waste water coming from kitchen is called______.
  A)
   Municipal waste water done clear
  B)
   Industrial waste water done clear
  C)
   Rainwater done clear
  D)
   Both a and b done clear
  E)
   None of these done clear
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• question_answer2)
  What the solid waste extracted during sewage treatment is called?
  A)
   Sludge done clear
  B)
   Manure done clear
  C)
   Compost done clear
  D)
   All of these done clear
  E)
   None of these        done clear
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• question_answer3)
  Which one of the following can be made from sludge extracting during sewage treatment?
  A)
   Manure done clear
  B)
   Fertilizer done clear
  C)
   Biogas done clear
  D)
   All of these done clear
  E)
   None of these done clear
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• question_answer4)
  Which one of the following is the organic impurity present in sewage?
  A)
   Metals done clear
  B)
   Plastics done clear
  C)
   Vegetable wastes done clear
  D)
   Both A and B done clear
  E)
   None of these done clear
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• question_answer5)
  Which one of the following is the inorganic impurities present in sewage?
  A)
   Metals done clear
  B)
   Urine done clear
  C)
   Vegetable wastes done clear
  D)
   Animal dung done clear
  E)
   None of these done clear
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• question_answer6)
  Which one of the following diseases is caused by microbes present in waste water?
  A)
   Dysentery done clear
  B)
   Cholera done clear
  C)
   Typhoid done clear
  D)
   All of these done clear
  E)
   None of these done clear
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• question_answer7)
  Which one of the following statements is correct? Statement 1: An underground pipe which carries away dirty drainage water is called sewer. Statement 2: The wastewater treatment plant is also called sewage treatment plant.
  A)
   Statement 1 done clear
  B)
   Statement 2 done clear
  C)
   Both statements are correct done clear
  D)
   Both statements are incorrect done clear
  E)
   None of these done clear
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• question_answer8)
  Which one of the following nutrients are present in sewage?
  A)
   Nitrogen done clear
  B)
   Phosphorus done clear
  C)
   Chlorine done clear
  D)
   Both A and B done clear
  E)
   None of these done clear
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• question_answer9)
  Which one of the following statements is correct? Statement 1: The waste such as used tea leaves, polyethylene bags should not be thrown down the drain. Statement 2: The chemicals like paints, medicines should not be thrown down the drain.
  A)
   Statement 1 done clear
  B)
   Statement 2 done clear
  C)
   Both statements are correct done clear
  D)
   Both statements are incorrect done clear
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• question_answer10)
  Which one of the following statements is correct? Statement 1: Meningitis is a waterborne disease. Statement 2: Polio is also a waterborne disease.
  A)
   Statement 1 done clear
  B)
   Statement 2 done clear
  C)
   Both statements are correct done clear
  D)
   Both statements are incorrect done clear
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