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POLLUTION MCQs

Water Pollution, Soil Pollution, Air Pollution

Total Questions : 59 | Page 5 of 6 pages
Question 41. What is a point-source pollution?
  1.    Oil spilling from supertanker
  2.    Drainpipe spilling waste into river
  3.    Toxic Chemicals
  4.    Single sites of waste
 Discuss Question
Answer: Option B. -> Drainpipe spilling waste into river
Question 42. What is a Non-Point source Pollution?
  1.    Soil from farms
  2.    Acid rain
  3.    Damaged Sewer Pipe or system 
  4.    Salts from irrigation of farm fields
 Discuss Question
Answer: Option A. -> Soil from farms
Question 43. A body of water that has high turbidity??
  1.    Cloudy
  2.    Clear
  3.    Acidic
  4.    Basic
 Discuss Question
Answer: Option A. -> Cloudy
Question 44. Which of the following might count as water pollution?
  1.    water that is too hot
  2.    water that has too much dissolved oxygen
  3.    water that doesn't have enough phosphate
  4.    water that doesn't have enough nitrate
 Discuss Question
Answer: Option A. -> water that is too hot
Question 45. Which of the following water is pH levels is best for Marine Organism?
  1.    1.0
  2.    3.5
  3.    8.0
  4.    11.5
 Discuss Question
Answer: Option C. -> 8.0
Question 46. Under what conditions are large numbers of fish in a lake most likely to die?
  1.    Right after a storm with heavy rainfall
  2.    When turbidity is low and Temperature are in average range
  3.    High pH
  4.    When waters dissolved oxygen is high and temperatures are lower than averge
 Discuss Question
Answer: Option D. -> When waters dissolved oxygen is high and temperatures are lower than averge
Question 47. What is a biologic indicators?
  1.    Insect larvae
  2.    Many kinds of trout and mayflies
  3.    Monitor the health of the ecosystem
  4.    Variety of organisms clean the water
 Discuss Question
Answer: Option C. -> Monitor the health of the ecosystem
Question 48. What is algal bloom?
  1.    Plants bloom early down stream
  2.    Water becomes cloudy
  3.    Too much of nutrients
  4.    Extremely rapid growth of algea
 Discuss Question
Answer: Option D. -> Extremely rapid growth of algea
Question 49. The Portion of water that flows across the surface that does not soak into the ground and runs into water bodies
  1.    what
  2.    fertilizer
  3.    erosion
  4.    runoff
 Discuss Question
Answer: Option D. -> runoff
Question 50. The gradual downward flow of water that soaks into surface
  1.    river
  2.    erosion
  3.    infiltration
  4.    water uptake
 Discuss Question
Answer: Option C. -> infiltration

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