Waste and their Sources
Waste and their Sources: Overview
This topic discusses waste and its sources in detail. It talks about wastewater and sewage and explains the need to purify wastewater. It also mentions the importance of sanitation and hygiene.
Important Questions on Waste and their Sources
What are the sources of wastes?

Mercury, lead and arsenic are the examples of _____ (non-biodegradable/degradable) wastes.

Select the correct statement from the following.

E-waste contains harmful toxicants.

Irreparable computers and electronic goods are known as radioactive wastes.

Which of the following is/are not agricultural waste?

What will you do for the management of waste in your colony or village?

What does the recycling means?

How biogas is made?

How much average waste per person gets in the big cities of India?

Recycling is the best treatment for what type of waste -

What is meant by biodegradable and non-biodegradable wastes? Describe with examples.
