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CAIE IGCSE Biology 12.2.3 Balanced Chemical Equation for Aerobic Questions

Practise writing and checking the balanced symbol equation for aerobic respiration, including every formula and coefficient.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • write or select the complete balanced aerobic-respiration symbol equation with correct formulae and 1:6:6:6 coefficients
  • use the equation coefficients to calculate molecule numbers of oxygen, carbon dioxide or water for a given glucose amount

CAIE IGCSE Biology 12.2.3 Balanced Chemical Equation for Aerobic Questions question 1

[Maximum number: 2]

Fig. 2.1 shows a cross-section of a human heart.

Fig. 2.1

Fig. 2.1

Fig. 2.3 shows how the body uses aerobic and anaerobic respiration during the first 120 seconds of vigorous physical activity. Between 0 and 20 seconds, the body also uses stored energy.
percentage of energy released

Fig. 2.3

Fig. 2.3

State the balanced chemical equation for aerobic respiration.

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