NCERT · Class 7 · Science · Respiration in OrganismsWhat percentage of carbon dioxide is present in the exhaled air?
Step-by-Step Solution
Exhaled air contains about 4.4% carbon dioxide, which is produced as a waste product during cellular respiration inside the body.
Detailed Options Breakdown
Option : 0.04%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
Option 1: 21%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
Option 2: 4.4% (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: 78%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
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