Multiple choice

Which of the following is NOT a biodegradable waste?

  1. Vegetable peel

  2. Hay

  3. Sewage

  4. Plastic

  5. Paper waste

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biodegradable waste can be degraded by microorganisms into relatively harmless compounds. Plastic cannot be degraded. It is non-biodegradable waste.