Air Around Us
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Composition of Air
SubtopicComposition of Air under Air Around Us for Grade 6 CBSE.
Preview questions (no answers)
- 1.
Which component of air do humans and animals primarily take in for survival during breathing?
A.Nitrogen
B.Carbon dioxide
C.Oxygen
D.Water vapor
- 2.
Air is a form of matter because it:
A.Is invisible
B.Has mass and occupies space
C.Is always cold
D.Has no weight
- 3.
Plants require which gas from the air to perform photosynthesis?
A.Oxygen
B.Nitrogen
C.Carbon dioxide
D.Argon
Download the worksheet for Air Around Us - Composition of Air to practice offline. It includes additional chapter-level practice questions.
Oxygen Cycle and Photosynthesis
SubtopicOxygen Cycle and Photosynthesis under Air Around Us for Grade 6 CBSE.
Preview questions (no answers)
- 1.
During photosynthesis, carbon dioxide enters the leaf through:
A.The stem
B.The roots
C.The stomata
D.The flowers
- 2.
Which process ensures that oxygen used by living beings is constantly replaced?
A.Digestion
B.Photosynthesis
C.Excretion
D.Circulation
- 3.
Which of the following gases is NOT part of the basic photosynthesis equation?
A.Carbon dioxide
B.Oxygen
C.Nitrogen
D.Water vapor
Download the worksheet for Air Around Us - Oxygen Cycle and Photosynthesis to practice offline. It includes additional chapter-level practice questions.
Importance of Air for Living Beings
SubtopicImportance of Air for Living Beings under Air Around Us for Grade 6 CBSE.
Preview questions (no answers)
- 1.
Which living being is primarily responsible for returning oxygen back to the air?
A.Humans
B.Insects
C.Green plants
D.Fish
- 2.
Which of the following make up the remaining 1% of the air (besides Nitrogen and Oxygen)?
A.Only carbon dioxide
B.Only water vapor
C.Carbon dioxide, water vapor, and noble gases
D.Hydrogen and Smoke only
- 3.
Air helps in the movement of which of the following?
A.Sailing yachts
B.Gliders
C.Parachutes
D.All of these
Download the worksheet for Air Around Us - Importance of Air for Living Beings to practice offline. It includes additional chapter-level practice questions.