Multiple choice

Which of the following organisms are used to treat the human excreta in the vermi-processing toilets?

  1. Pigs

  2. Earthworms

  3. Bacteria

  4. Birds

  5. None of these

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

Yes, it is correct. This is a design of a toilet in which human excreta is treated by earthworms.