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Respiration and Gas Exchange
Quick questions on Aerobic and anaerobic respiration: N(A)-Level Biology Respiration and Gas Exchange
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is aerobic respiration?Show answer
Aerobic respiration uses oxygen. It breaks glucose down completely, releasing a large amount of energy. The word equation is:
What is anaerobic respiration?Show answer
Anaerobic respiration releases energy from glucose without using oxygen. It only breaks the glucose down partly, so it releases much less energy. There are two versions to know:
What is comparing the energy released?Show answer
Aerobic respiration releases far more energy than anaerobic respiration from the same amount of glucose, because aerobic respiration breaks the glucose down completely while anaerobic leaves much of the energy still locked in the products (lactic acid or alcohol).
What is q1?Show answer
Write the word equation for aerobic respiration. [2 marks]
What is q2?Show answer
State the product of anaerobic respiration in human muscle. [1 mark]
What is q3?Show answer
Explain why aerobic respiration releases more energy than anaerobic respiration. [2 marks]
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