IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Glycogenesis
Answer:
Storage of Glucose in muscles and Liver
Q: Glycogenolysis
Answer:
Breakdown of storage Carbohydrate
Q: Gluconeogensis
Answer:
Conversion of Lactate to Glucose, Occurs in the Liver
Q: Glycolysis
Answer:
Breakdown of Glucose to Pyruvate or Lactate
, IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Lipolysis
Answer:
Breakdown of Fats for Aerobic Respiration
Q: Insulin (STORAGE)
Answer:
Secreted by Pancreas
Lowers blood glucose
Inhibits gluconeogenesis and lipolysis
Promotes glycogenesis
Q: Glucagon (RELEASE)
Answer:
Increases blood sugar
Stimulates glycogenolysis
Activated lipolysis of triglycerides
, IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Energy Systems (Diagram on Laptop)
Answer:
Creatine Phosphorylation: Cytoplasm, CP, No Oxygen,
1 ATP, 20 seconds
Q: Anaerobic Glycolysis: Cytoplasm, Glucose, No Oxygen, Pyruvate Lactate 2
Atp, 40-90 seconds
Answer:
Q: Aerobic Respiration: Mitochondria, Pyruvate and Lactate, Oxygen, 32 ATP,
hours
Answer:
Q: Excess Post Exercise Oxygen Consumption
Answer:
Oxygen Deficit: Lack of O2 needed to fuel activity
Oxygen Debt: During recovery, increase rate of O2 consumption
, IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Topic 4: Movement Analysis
Answer:
--
Q: Sliding Filament Theory
Answer:
1) Release of Ach
2) Ach triggers release of Calcium from sarcoplasmic reticulum
3) Calcium binds to troponin
4) Myosin heads attach to actin sites
5) Myosin pulls on actin with ATP
6) Myosin head releases actin when ATP is formed
Q: Types of Muscle Contraction
Answer:
Isotonic:
Concentric: Muscle shortens during contraction
Eccentric: Muscle is lengthening while contracting
Latest 2026 Update
Q: Glycogenesis
Answer:
Storage of Glucose in muscles and Liver
Q: Glycogenolysis
Answer:
Breakdown of storage Carbohydrate
Q: Gluconeogensis
Answer:
Conversion of Lactate to Glucose, Occurs in the Liver
Q: Glycolysis
Answer:
Breakdown of Glucose to Pyruvate or Lactate
, IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Lipolysis
Answer:
Breakdown of Fats for Aerobic Respiration
Q: Insulin (STORAGE)
Answer:
Secreted by Pancreas
Lowers blood glucose
Inhibits gluconeogenesis and lipolysis
Promotes glycogenesis
Q: Glucagon (RELEASE)
Answer:
Increases blood sugar
Stimulates glycogenolysis
Activated lipolysis of triglycerides
, IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Energy Systems (Diagram on Laptop)
Answer:
Creatine Phosphorylation: Cytoplasm, CP, No Oxygen,
1 ATP, 20 seconds
Q: Anaerobic Glycolysis: Cytoplasm, Glucose, No Oxygen, Pyruvate Lactate 2
Atp, 40-90 seconds
Answer:
Q: Aerobic Respiration: Mitochondria, Pyruvate and Lactate, Oxygen, 32 ATP,
hours
Answer:
Q: Excess Post Exercise Oxygen Consumption
Answer:
Oxygen Deficit: Lack of O2 needed to fuel activity
Oxygen Debt: During recovery, increase rate of O2 consumption
, IB Sports Science Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Topic 4: Movement Analysis
Answer:
--
Q: Sliding Filament Theory
Answer:
1) Release of Ach
2) Ach triggers release of Calcium from sarcoplasmic reticulum
3) Calcium binds to troponin
4) Myosin heads attach to actin sites
5) Myosin pulls on actin with ATP
6) Myosin head releases actin when ATP is formed
Q: Types of Muscle Contraction
Answer:
Isotonic:
Concentric: Muscle shortens during contraction
Eccentric: Muscle is lengthening while contracting
