🎓 IB Exam Prep

What are the main products of anaerobic respiration in yeast?

A Lactic acid and ATP
B Carbon dioxide and water
C Ethanol and carbon dioxide
D Oxygen and ATP

✓ Correct Answer: Option C

In yeast, anaerobic respiration (also known as alcoholic fermentation) produces ethanol and carbon dioxide, along with a small amount of ATP, in the absence of oxygen.

💡 Why is C) the correct answer?

The correct answer to the question "What are the main products of anaerobic respiration in yeast?" is Option C: Ethanol and carbon dioxide.

The other options — A) Lactic acid and ATP, B) Carbon dioxide and water, D) Oxygen and ATP — are incorrect for this IB Exam Prep question. As explained above: In yeast, anaerobic respiration (also known as alcoholic fermentation) produces ethanol and carbon dioxide, along with a small amount of ATP, in the absence of oxygen.

📚 About This IB Exam Prep Practice Question

This 3-level IB Exam Prep question from the Biology topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IB Exam Prep practice test or use flashcards for spaced repetition review.

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