MP Board · Class 7 · Science · Respiration in OrganismsWhat percentage of oxygen is present in the exhaled air?
Step-by-Step Solution
Exhaled air contains about 16.4% oxygen because the body utilizes a portion of the inhaled oxygen for cellular respiration.
Detailed Options Breakdown
Option : 21%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
Option 1: 16.4% (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 0.04%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
Option 3: 4.4%
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
💡 Study Guide: This question tests core syllabus concepts from Respiration in Organisms. For formulas, key summaries, and mock exam reference guides, read the full Respiration in Organisms Revision Notes.