🎓 IB Exam Prep

Which enzyme is responsible for the initial digestion of carbohydrates in the human digestive system?

A Pepsin
B Amylase
C Lipase
D Trypsin

✓ Correct Answer: Option B

Salivary amylase, secreted in the mouth, begins the breakdown of complex carbohydrates (starch) into simpler sugars. Pepsin digests proteins, lipase digests fats, and trypsin digests proteins.

💡 Why is B) the correct answer?

The correct answer to the question "Which enzyme is responsible for the initial digestion of carbohydrates in the human digestive system?" is Option B: Amylase.

The other options — A) Pepsin, C) Lipase, D) Trypsin — are incorrect for this IB Exam Prep question. As explained above: Salivary amylase, secreted in the mouth, begins the breakdown of complex carbohydrates (starch) into simpler sugars. Pepsin digests proteins, lipase digests fats, and trypsin digests proteins.

📚 About This IB Exam Prep Practice Question

This 2-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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