Practice Fuel Sources - 3.3.1 | Chapter 3: Energy Systems | IB 12 Physical and Health Education (SEHS)
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Fuel Sources

3.3.1 - Fuel Sources

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Practice Questions

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Question 1 Easy

What is the primary fuel source during high-intensity activities?

💡 Hint: Think about what athletes consume before events.

Question 2 Easy

Which fuel source provides the most energy per gram?

💡 Hint: Compare the energy content of carbs and fats.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary fuel source during aerobic metabolism?

Fat
Glucose
Protein

💡 Hint: Think about what athletes consume for energy.

Question 2

True or False: Proteins are the main fuel source for low-intensity exercise.

True
False

💡 Hint: Reflect on the primary fuels for different intensities.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a training program for an athlete preparing for a marathon that optimally incorporates carbohydrate and fat intake.

💡 Hint: Consider the phases of training and nutrition timing.

Challenge 2 Hard

Evaluate the difference in energy output during a 100m sprint vs. a 10k run in terms of fuel source reliance.

💡 Hint: Think about the duration and intensity of each activity type.

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