Air Around Us – CBSE Class 6 Science MCQs
Air Around Us – CBSE Class 6 Science MCQs
Class: 6 | Subject: Science
Section 13: Air & Environment
Topic: Air Around Us
Based on NCERT Syllabus | CBSE Board Examination Pattern
Section 13: Air & Environment
Topic: Air Around Us
Based on NCERT Syllabus | CBSE Board Examination Pattern
1. Air is a:
Answer: C. Mixture of gases
Air contains nitrogen, oxygen, carbon dioxide, water vapour and other gases.
Air contains nitrogen, oxygen, carbon dioxide, water vapour and other gases.
2. The major component of air is:
Answer: B
Nitrogen makes up about 78% of air.
Nitrogen makes up about 78% of air.
3. Oxygen in air is about:
Answer: B
Oxygen supports breathing and burning.
Oxygen supports breathing and burning.
4. Plants use carbon dioxide for:
Answer: B
Plants make food using CO₂, water, and sunlight.
Plants make food using CO₂, water, and sunlight.
5. Air is necessary for:
Answer: D
Air supports many life processes.
Air supports many life processes.
6. Moving air is called:
Answer: B
Wind is air in motion.
Wind is air in motion.
7. Air occupies:
Answer: B
Air fills available space.
Air fills available space.
8. Air exerts:
Answer: B
Air pressure acts in all directions.
Air pressure acts in all directions.
9. Air contains water in form of:
Answer: B
Moisture in air.
Moisture in air.
10. Layer of air around Earth:
Answer: B
Atmosphere surrounds Earth.
Atmosphere surrounds Earth.
11. Burning needs:
Answer: B
Oxygen supports combustion.
Oxygen supports combustion.
12. Air helps birds in:
Answer: B
Provides lift.
Provides lift.
13. Plants release:
Answer: B
During photosynthesis.
During photosynthesis.
14. Air pollution harms:
Answer: D
Affects environment.
Affects environment.
15. Air is needed for aquatic life via:
Answer: A
Fish breathe dissolved oxygen.
Fish breathe dissolved oxygen.
16. Transparent air means:
Answer: B
Cannot be seen.
Cannot be seen.
17. Air expands on:
Answer: B
Hot air rises.
Hot air rises.
18. Air contracts on:
Answer: B
Cold air sinks.
Cold air sinks.
19. Air supports sound by:
Answer: B
Sound travels through air.
Sound travels through air.
20. Absence of air means:
Answer: D
Air is essential for many processes.
Air is essential for many processes.
