What causes water pollution?

Important Questions on Changes in Our Environment

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q A

We need to cut off trees to make _____.

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q B

Choose the correct option:
Gases, smoke, fumes, and dust are _____ pollutants. (air/water)

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q B

Water polluted by chemicals from factories affects _____ life. (marine/aerial)

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q B

Waste that rots is known as _____ (biodegradable/non-biodegradable) wastes.

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q B

Save _____ by switching off electrical gadgets. (paper/energy)

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q B

We should use _____ (cloth/plastic bags) as they are biodegradable.

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q 1

Name the following.
The harmful substance which causes pollution. (Pollutants/Toxic Chemicals/Hazard waste)

EASY

5th CBSE

IMPORTANT

Science Voyage 5.>Chapter 17 - Changes in Our Environment>What I Have Learnt>Q 1

State the term used for unwanted things.