Energy Systems Exam Questions And Answers 100% Pass
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Energy Systems
Institution
Energy Systems
Energy Systems Exam Questions And
Answers 100% Pass.
Explain how energy is provided, allowing the athlete to complete the shot put (3 marks) -
Answer1. Stored ATP
2. Alactic system / ATP-PC system / Phosphocreatine system / ATP-CP system
3. PC breakdown
4. To creatine and phosphate / C and P
...
Energy Systems Exam Questions And
Answers 100% Pass.
Explain how energy is provided, allowing the athlete to complete the shot put (3 marks) -
Answer✔1. Stored ATP
2. Alactic system / ATP-PC system / Phosphocreatine system / ATP-CP system
3. PC breakdown
4. To creatine and phosphate / C and P
5. Energy used / released to perform the contraction / re-synthesis for ATP
What is the effect on ATP and PC stores of short periods of high intensity exercise followed by
recovery periods lasting up to 30 seconds? Justify your answer. (3 marks) - Answer✔A ATP /
PC levels decrease / fall during exercise.
B Insufficient Stores don't fully recover / not enough ATP / PC resnythesised in 30 seconds of
rest.
C (during exercise) ATP / PC supplying energy.
D (during exercise) PC breakdown for ATP resynthesis.
E (during recovery) ATP / PC resynthesised during rest / recovery.
F (during recovery) Insufficient recovery time to fully replenish / 2-3 minutes for full recovery.
Sub-max 2 marks For Points C - F
A sport such as tennis uses the ATP-PC system for energy production. Outline the advantages
and the disadvantages of the ATP-PC system. 4m - Answer✔Advantages
A. Energy released quickly / immediately / doesnߣt require oxygen.
release of energy - too vague
B. ATP resynthesised quickly / PC / Phosphocreatine stores recover quickly/ATP-PC recover
quickly.
C. Allowing high intensity exercise to be completed again in short space of time / after a brief
recovery period.
D. No waste / by-products formed.
Disadvantages
E Limited stores of PC.
F High intensity exercise can only be completed for brief period of time / 8 - 10 seconds.
G Full recovery takes up 2-3 minutes.
Gymnastic events can last up to 90 seconds. Explain how the majority of energy is provided for
these events. (7 marks) - Answer✔Anaerobic / without oxygen
(during first few seconds) stored ATP splits / breaks down initially / ATP breaks down to
ADP + P + energy.
ATP-PC / system / phosphocreatine system / alactic system.
PC = C + P(i) + energy / creatine + phosphate / PC broken down.
Energy used for ATP resynthesis / ADP + P + energy = ATP / ADP + PC = ATP + C.
Lasts 5-10 seconds / limited supply.
Lactic acid system / Lactate anaerobic system.
Do not accept lactic system
Glycogen / glucose breakdown.
Glycolysis.
To pyruvate / pyruvic acid.
Lactate / lactic acid formed.
Elite performers who play games, such as hockey and football, will use a predominant energy
system which will vary depending on the demands of the match. Explain how the anaerobic
energy systems contributes to the performance of a games player during a match. 8m -
Answer✔Lactic acid system/Lactate anaerobic system
A Games require energy for high intensity activity
B For activities lasting over 8 - 10 seconds/ up to 3 minutes
C For example, extended period of sprinting to move from one end of the field to the other or
equivalent
D Credit second applied example
(provides energy by)
E Glycogen/glucose breakdown/Anaerobic Glycolysis
F To pyruvate/pyruvic acid
G 2 ATP produced
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