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Free Water Pollution Study App Download (iOS & Android): Which bacteria consumes organic matter as their food, and thus oxidizing it to stable end product?; MCQ with answers: aerobic bacteria, viruses, rotifers, and anaerobic bacteria. Practice Environmental Pollution Questions and Answers, Google e-Book to download free chapter for sustainability research projects.

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MCQ 16: Which bacteria consumes organic matter as their food, and thus oxidizing it to stable end product?

  1. Viruses
  2. Aerobic Bacteria
  3. Anaerobic Bacteria
  4. Rotifers

MCQ 17: Eight of the top world's biggest cities are located in:

  1. Mountain Areas
  2. Coastal Areas
  3. Hilly areas
  4. Terrestrial Areas

MCQ 18: How many grams of air in a liter ?

  1. 1.5 gm
  2. 1.3gm
  3. 1.2gm
  4. 7gm

MCQ 19: Bacterial decomposition of organic matter, releases NO2 into the:

  1. Stratosphere
  2. Troposphere
  3. Atmosphere
  4. Biosphere

MCQ 20: Uncontrolled, dumping is the cheapest method of:

  1. Solid waste
  2. Chemical Waste
  3. Nuclear Waste
  4. Food Waste

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