Practice A.1.3 Transport with authentic IB Sports, exercise and health science (SEHS) exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like core principles, advanced applications, and practical problem-solving. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Paper
Level
Question 1
SLPaper 2
1.[2]
Identify two systems that collaborate to regulate ventilation.
2.[2]
State two factors that increase ventilation rate during intense exercise.
3.[3]
Describe how partial pressure gradients drive the exchange of gases during exercise.
4.[4]
Explain how the circulatory system compensates for increased oxygen demand during interval training.
5.[4]
Outline the importance of cardiovascular control centers in adapting to variable intensity workloads.
6.[5]
Discuss the consequences of impaired gas exchange on homeostasis and athletic performance.
Question 2
SLPaper 1A
The graph shows the heart rate response (bpm) over 30 minutes for interval vs. continuous training.
Question:
Which of the following best explains the heart rate pattern seen in the interval training group?
Question 3
SLPaper 2
1.[2]
State the role of the hypothalamus in temperature regulation.
2.[2]
Identify two internal conditions regulated by homeostatic mechanisms.
3.[3]
Describe how the nervous system responds to an increase in body temperature.
4.[3]
Describe the function of insulin in blood glucose regulation.
5.[5]
Explain the role of the lungs in the transport of gases during exercise.
6.[5]
Discuss how the endocrine and nervous systems work together to maintain homeostasis during exercise.
Question 4
SLPaper 1A
Refer to the graph showing lung volumes.
Which label represents the Vital Capacity, the maximum volume of air that can be voluntarily moved into and out of the lungs?
Question 5
SL & HLPaper 1A
Which gas diffuses from the alveoli into the blood during breathing?
Question 6
SL & HLPaper 1A
Which simultaneous actions of the respiratory and cardiovascular systems best explain efficient VO₂ max performance?
Question 7
SL & HLPaper 1A
Which part of the blood primarily carries carbon dioxide in the form of bicarbonate ions?
Question 8
SL & HLPaper 1A
How is heat primarily transported from working muscles to the skin during long-distance running?
Question 9
SL & HLPaper 1A
Which respiratory structure increases surface area to maximize gas exchange during exercise?
Question 10
SL & HLPaper 1A
In endurance cycling, which hormone is transported in the blood to stimulate glycogen breakdown for energy?