Water too little to waste - class-VIII

Quiz about water pollution, water-borne diseases, and industrial effects on water quality for Class VIII students

10 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Dysentery and cholera are caused by drinking polluted water.

  1. True
  2. False
Question 2 Multiple Choice (Single Answer)

Water pollution is the second most imperative environmental concern along with ____ pollution.

  1. noise
  2. air
  3. soil
  4. none of the above
Question 3 Multiple Choice (Single Answer)

Industrial or man-made concentrations of naturally occurring substances, such as_____ and _____ have also been identified as health hazards in soil and groundwater.

  1. Carbon and ammonia
  2. Ammonia and nitrates
  3. Oxides and ammonia
  4. Carbon and nitrates
Question 4 Multiple Choice (Single Answer)

Industrial pollution effects ______.

  1. air pollution
  2. water pollution
  3. land pollution
  4. all of the above
Question 5 Multiple Choice (Single Answer)

The contamination of the environment by businesses, particularly plants and factories, that dump waste products into the air and water is called __________.

  1. soil pollution
  2. industrial pollution
  3. radioactive pollution
  4. visual pollution
Question 6 Multiple Choice (Single Answer)

Rain that has been made acidic by certain pollutants in the air due to industries is called _______ 

  1. Smog
  2. Acid rain
  3. Hazardous rain
  4. none of the above
Question 7 Multiple Choice (Single Answer)

Mining, deforestation, and utilization of water resources for industrial production leads to ______.

  1. wild life extinction
  2. thermal pollution
  3. both of them
  4. none of the above
Question 8 Multiple Choice (Single Answer)

Jaundice, diarrhoea etc., are caused due to the consumption of impure water.

  1. True
  2. False
Question 9 Multiple Choice (Single Answer)

Sewage is waste water released by:

  1. homes
  2. industries, hospitals
  3. offices and other users
  4. all of the above
Question 10 Multiple Choice (Single Answer)

500 ml of a sample COD of water required 19.6 mg of $ K _2Cr _2O _7 $ of water sample is

  1. 9 PPM
  2. 8PPM
  3. 16.8 PPM
  4. 10 PPM