Question

The waste from toilets can be used for making _______________.

• A. Vermicompost
• B. Chemical fertilizers
• C. Biogas
• D. All of these

Answer 1

The correct option is D All of these

Toilets can be used for making vermicompost using earthworms. In this, vermiculture bins are added to the toilet system and dry toilet is composted using earthworms. Toilets and urine contains substances like phosphorous, potassium and nitrogen. These are major components of chemical fertilizers. Recycling and reuse of toilets for making biogas is a common practice. It is done by anaerobic decomposition of toilets. All these reduces the hazardous substances.

Thus, the correct answer is option D.