Class 4 EVS ls 3 Clean Surroundings Quiz

Degradable waste materials_____ easily.

• Rot

• Do not rot

• Pollute

• Causes harm

Non - degradable waste materials pollute environment.

• True

• False

3R's are

• Reduce

• Reuse

• Recycle

• All of the above

Best method to dispose degradable waste materials is ______.

• Landfills

• Burning

• Open landing

• Composting

Disposal of waste in a city is done by _____

• Municipal authorities

• Electricity dept

• Water dept

• All of the above