Q42 of 163 Page 227

What is meant by non-biodegradable waste materials ? Give two examples of non-biodegradable wastes.

(A) Non-biodegradable waste materials are those that cannot be recycled or cannot be degraded by bacteria and thus cause pollution. For example- Plastic, synthetic fibre, aluminum wire, DDT insecticide are non-biodegradable.


More from this chapter

All 163 →
41

What is meant by biodegradable waste materials? Give two examples of biodegradable wastes.

 41

Which of the following materials are non-biodegradable?

Aluminum wire, Tea leaves, Synthetic fibre, wool

 42

Which of the following materials are biodegradable?

Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil

 43

Define an ecosystem. Give examples of any two ecosystems.