Quiz  /  Water Pollution Class 12 MCQ Questions With Answers

  • 1. 
    Lead in water is what kind of water pollution category?

  • organic
  • inorganic
  • nutrient
  • disease-causing organisms

  • 2. 
    Which is a category of water pollution?

  • sediment
  • medical
  • food
  • dihydrogen monoxide

  • 3. 
    Water regulations usually start around

  • parts per ten
  • parts per hundred
  • parts per thousand
  • parts per million

  • 4. 
    Warmer water tends to have

  • more dissolved oxygen
  • less phosphate
  • less nitrate
  • none of these

  • 5. 
    Too much phosphate in water is what category of water pollution?

  • organic
  • inorganic
  • nutrient
  • heat

  • 6. 
    Water pollution can be

  • biological
  • temperature
  • physical
  • all of these

  • 7. 
    In a residence, how is most (26%) of the water used?

  • Toilet
  • Bath/shower
  • Faucet
  • Dishwasher

  • 8. 
    Where is the majority (>60%) of the world's surface freshwater?

  • Canada
  • Near unpopulated areas
  • In large cities
  • On islands

  • 9. 
    Phosphate can get into water because of what substances causing water pollution?

  • cleaning products
  • fertilizer
  • sewage
  • all of these options

  • 10. 
    Which of the following is NOT a major use of freshwater?

  • Residential
  • Agricultural
  • Industrial
  • Clouds

  • 11. 
    Which of the following is an unsafe material that can be found in drinking water?

  • Fish
  • Pathogens
  • Minerals
  • None of these

  • 12. 
    What can be toxic?

  • coffee
  • water
  • juice
  • all of these options

  • 13. 
    Water pollution includes

  • organisms in water that cause disease
  • water that is too cold
  • high amounts of dissolved oxygen
  • all of these options

  • 14. 
    What is true about water pollution?

  • all water is polluted
  • there is a way to make water 100% pure
  • nutrients are not pollutants
  • all of these are true

  • 15. 
    How much of water on Earth is FRESH SURFACE water?

  • 0.3%
  • 3%
  • 97%
  • 30%

  • 16. 
    What does "potable" mean?

  • Safe to drink
  • Frozen
  • Liquid water
  • Dirty water

  • 17. 
    How many gallons of water are used from Lake Michigan EACH DAY?

  • 100
  • 1 billion
  • 3 million
  • 1 million

  • 18. 
    What is virtual water?

  • Water on a computer screen
  • Water that is salty
  • Amount of water to create a product
  • Water that is frozen

  • 19. 
    What is a point-source pollution?

  • Oil spilling from supertanker
  • Drainpipe spilling waste into river
  • Toxic Chemicals
  • Single sites of waste

  • 20. 
    What is a Non-Point source Pollution?

  • Soil from farms
  • Acid rain
  • Damaged Sewer Pipe or system
  • Salts from irrigation of farm fields

  • 21. 
    What can cause water pH to change?

  • mining waste
  • industrial pollution
  • agricultural runoff
  • all of these options

  • 22. 
    What is water used for in agriculture?

  • As a pesticide
  • Cleans crops
  • Water parks
  • Irrigation

  • 23. 
    Which of the following might count as water pollution?

  • water that is too hot
  • water that has too much dissolved oxygen
  • water that doesn't have enough phosphate
  • water that doesn't have enough nitrate

  • 24. 
    Water with a pH of 14 is

  • acidic
  • basic
  • neutral
  • safe to drink

  • 25. 
    What is a biologic indicators?

  • Insect larvae
  • Many kinds of trout and mayflies
  • Monitor the health of the ecosystem
  • Variety of organisms clean the water

  • 26. 
    Which of the following affects how freshwater is used?

  • Age
  • Population size
  • Education
  • GPA

  • 27. 
    The problem of Jaffrey Lake is based on

  • artificial eutrophication
  • natural eutrophication
  • not enough nutrients in the lake
  • too much dissolved oxygen in the lake

  • 28. 
    Main Producers in ocean are?

  • Zooplankton and water
  • Small Plankton and Zooplankton
  • Coral reefs and Sponges
  • Algae and other microscopic organisms

  • 29. 
    Why do algae blooms happen?

  • there are too many nutrients in the water
  • there are too many fish in the water
  • there is not enough turbidity in the water
  • all of these options

  • 30. 
    Stewardship?

  • Protect the earths Resources
  • Such as an organization or property.
  • the job of supervising or taking care of something,
  • All of above
Report Question
warning
access_time
  Time