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Life Processes in Animals — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceLife Processes in Animals1 Mark
MCQ
What explains the difference in oxygen content between inhaled and exhaled air?
  • A
    Oxygen increases after passing through lungs
  • B
    Exhaled air has more oxygen due to energy production
  • ✓
    Some oxygen is used in respiration to produce energy
  • D
    No change occurs in oxygen level
✓

Answer

Correct option: C.
Some oxygen is used in respiration to produce energy
C

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