Respiration Quiz
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5 questions, one answer each
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1. What does respiration release from glucose?
- A. Oxygen
- B. Energy
- C. Water only
- D. Carbon only
2. What are the products of aerobic respiration?
- A. Lactic acid
- B. Ethanol and carbon dioxide
- C. Carbon dioxide and water
- D. Glucose and oxygen
3. What product forms during anaerobic respiration in human muscle cells?
- A. Ethanol
- B. Lactic acid
- C. Carbon dioxide and water
- D. Oxygen
4. A germinating seed investigation shows a temperature rise in the flask with live seeds but not in the flask with boiled seeds. What does this demonstrate?
- A. Boiled seeds respire faster
- B. The temperature rise is caused by respiration in the living seeds, not the environment
- C. Boiling increases respiration rate
- D. Temperature has no link to respiration
5. A sprinter's leg muscles run low on oxygen during a 100m race. Which statement best explains the consequence?
- A. The muscles stop respiring completely
- B. The muscles switch briefly to anaerobic respiration, producing lactic acid and releasing less energy per glucose molecule, contributing to fatigue
- C. The muscles switch to producing ethanol and carbon dioxide
- D. Aerobic respiration continues unaffected