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State PSC Environment & Ecology — practice questions — page 12

Explore 332 free Environment & Ecology questions in State PSC Environment. Open each question or exercise to read its content, reference answers and available explanation.

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Environment & Ecology questions and exercises with answers

Showing questions 331–332 of 332.

Type the numberRead the answer and worked solution →Wastewater bingoRead the answer and worked solution →

Worked practice questions

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Questions
  1. Answer
    2005
    Question
    Year the UN proclaimed the Water for life decade
  2. Answer
    22
    Question
    Date in March of World Water Day
  3. Answer
    97
    Question
    Per cent of activated sludge that is water, about
  4. Answer
    50
    Question
    Minimum metres between manholes
  5. Answer
    60
    Question
    Maximum metres between manholes
  6. Answer
    2016
    Question
    Year the Swachh Bharat mission began
Instructions
Type the number only.
_Source: syllabus Science, Chapter 18, Wastewater Story._

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Wastewater bingo

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Clues and terms
  1. Clue
    Used water from sinks and toilets.
    Item
    Wastewater
  2. Clue
    Liquid waste from homes and industry.
    Item
    Sewage
  3. Clue
    Network of sewer pipes.
    Item
    Sewerage
  4. Clue
    Catches rags and cans first.
    Item
    Bar screen
  5. Clue
    Solids settled in the clarifier.
    Item
    Sludge
  6. Clue
    Water after sludge and oil are removed.
    Item
    Clarified
  7. Clue
    Bacteria fed by pumped air.
    Item
    Aerobic
  8. Clue
    Disinfectant with ozone.
    Item
    Chlorine
  9. Clue
    2016 mission for toilets and sewage.
    Item
    Swachh Bharat
Instructions
Read each clue and tap the term it describes.
_Source: syllabus Science, Chapter 18, Wastewater Story._

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