Sanitation Health and Hygiene Question and Answer


81. Which part of the toilet allows water to pass from the tank into the bowl?

  1. flush valve
  2. push handle
  3. siphon tube
  4. None

82. Which process during wastewater treatment helps in killing germs?

  1. Aeration
  2. Chlorination
  3. Sedimentation
  4. Flocculation

83. Which process is used to remove dirt and sand from wastewater?

  1. Aeration
  2. Chlorination
  3. Sedimentation
  4. Flocculation

84. Which stream animal is an indicator of poor water quality?

  1. a black fly larva
  2. a caddis fly larva
  3. a May fly larva
  4. a riffle beetle

85. Which two words mean ‘neat?

  1. Unconcentrated, high in strength
  2. Tidy, unconcentrated
  3. High in strength, tidy

86. Which word means ‘any substance that causes an allergic reaction?

  1. ingest
  2. fungicidal
  3. allergen

87. Which year has been declared as the International year of Sanitation by the UnitedNation Organization (UNO)?

  1. 2014
  2. 2015
  3. 2008

88. Who invented the flushing toilet in 1596?

  1. Joseph Bramah
  2. George Jennings
  3. John Harrington

89. Why does the toilet bowl water level stay the same regardless of how much waste is deposited?

  1. There is an overflow safety mechanism.
  2. The water level is maintained by the siphon.
  3. The water will rise and overflow if enough water is added.
  4. None

90. Why is porcelain a suitable material for the construction of toilets?

  1. Porcelain is a hard material.
  2. Porcelain is a non-porous material.
  3. Porcelain is a hard, non-porous material.
  4. None
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