Biology 0610 · IGCSE · Aerobic respiration

Aerobic respiration — practice question

(a)[2]

State the fully balanced chemical equation for aerobic respiration.

(b)[1]

Calculate the rate of carbon dioxide production in ppm per second. Show your working and give your answer to two significant figures.

(c)[2]

State and explain one reason for opening the jar once 10 minutes had passed.

(d)[2]

Explain why the temperature inside the jar rose.

(e)[4]

State two conclusions that can be drawn from the data in Fig. 5.2 and support each conclusion with evidence from the graph.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: Balanced equation: C6H12O6 + 6O2 → 6CO2 + 6H2O (+ energy released)

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI