Energy Systems in the Body: Interactive Learning Quizzes for Year 11 Physical Education

Question 1

Which energy system primarily powers the first 10 seconds of a 100-meter sprint?

Accepted Answer

ATP-PC system

Answer

Lactic acid system

Answer

Aerobic system

Answer

Glycogen-lactic acid system

Question 2

Which factor does NOT influence energy system selection during physical activity?

Accepted Answer

Weather conditions

Answer

Activity intensity

Answer

Activity duration

Answer

Fitness level

Question 3

What is the primary energy source for the ATP-PC system?

Accepted Answer

Creatine phosphate

Answer

Glucose

Answer

Lactic acid

Answer

Glycogen

Question 4

Which is a limitation of the ATP-PC system?

Accepted Answer

Limited capacity

Answer

Produces lactic acid

Answer

Requires oxygen

Answer

Only used in endurance activities

Question 5

What is the main function of the lactic acid system during physical activity?

Accepted Answer

Provides energy for short, intense activities

Answer

Removes lactic acid from muscles

Answer

Converts glucose to energy

Answer

Stores energy for later use

Question 6

Which adaptation would enhance the body's use of the aerobic system for energy?

Accepted Answer

Increased capillary density

Answer

Reduced muscle glycogen stores

Answer

Lower heart rate

Answer

Decreased mitochondrial volume

Question 7

What is the primary function of the ATP-PC energy system?

Accepted Answer

To provide rapid energy for short, intense activities.

Answer

To remove lactate from muscles.

Answer

To generate oxygen for aerobic respiration.

Answer

To convert glucose to pyruvate.

Question 8

What are the primary waste products of the lactic acid energy system?

Accepted Answer

Pyruvate and lactate

Answer

Carbon dioxide and water

Answer

ATP and ADP

Answer

Creatine and creatine phosphate

Question 9

Which of the following is a key characteristic of the aerobic energy system?

Accepted Answer

Sustained energy production over longer durations

Answer

High intensity of exercise

Answer

Reliance on anaerobic metabolism

Answer

Rapid fatigue

Question 10

What is the primary role of carbohydrates during exercise?

Accepted Answer

Primary fuel source for all energy systems

Answer

Only fuel source for the aerobic system

Answer

Not involved in energy production during exercise

Answer

Only fuel source for the ATP-PC system

Question 11

Which of the following is NOT a characteristic of the ATP-PC energy system?

Accepted Answer

Can generate ATP at a high rate for a prolonged period of time.

Answer

Provides energy for short, intense activities lasting less than 10 seconds.

Answer

Uses adenosine triphosphate (ATP) as the primary fuel source.

Answer

Requires creatine phosphate (CP) as a substrate to resynthesize ATP.

Question 12

Which energy system is primarily responsible for generating energy during prolonged activities lasting longer than 2 minutes, such as marathon running?

Accepted Answer

Aerobic system

Answer

ATP-PC system

Answer

Lactic acid system

Answer

Glycogen-sparing system

Question 13

Which of the following supplements is commonly used to improve muscle strength and power, primarily by enhancing ATP-PC system performance?

Accepted Answer

Creatine

Answer

Caffeine

Answer

Beta-alanine

Answer

Sodium bicarbonate

Question 14

The respiratory exchange ratio (RER) is a measure of which of the following?

Accepted Answer

Energy system utilization, indicating the relative contribution of carbohydrate and fat oxidation.

Answer

Lactate production

Answer

Oxygen consumption

Answer

Heart rate variability

Question 15

Which of the following training methods is specifically designed to improve the function of the lactic acid energy system?

Accepted Answer

Interval training with short bursts of high-intensity exercise followed by rest or low-intensity recovery periods.

Answer

Fartlek training with varied intervals of running and jogging.

Answer

Plyometrics with jumping and explosive movements.

Answer

Weightlifting with heavy weights and low repetitions.

Question 16

Which energy system is used for activities lasting under 10 seconds, such as sprinting or weightlifting?

Accepted Answer

ATP-PC system

Answer

Lactic acid system

Answer

Aerobic system

Question 17

Which of the following factors does NOT influence the rate of lactic acid production during exercise?

Accepted Answer

Body surface area

Answer

Intensity of exercise

Answer

Duration of exercise

Answer

Fitness level

Question 18

Which energy system primarily sustains prolonged activities such as long-distance running or cycling?

Accepted Answer

Aerobic system

Answer

ATP-PC system

Answer

Lactic acid system

Question 19

Which of the following dietary supplements has been studied for its potential to enhance ATP-PC energy production?

Accepted Answer

Creatine

Answer

Beta-alanine

Answer

BCAAs

Question 20

What is the primary role of oxygen in the aerobic energy system?

Accepted Answer

Breakdown glucose and fats

Answer

Generate ATP directly

Answer

Neutralize waste products

Question 21

Which energy system is primarily utilized for activities of less than 10 seconds duration?

Accepted Answer

ATP-PC system

Answer

Lactic acid system

Answer

Aerobic system

Question 22

Which factor influences the rate of ATP breakdown in the ATP-PC system?

Accepted Answer

Muscle temperature

Answer

Hormone levels

Answer

Body weight

Question 23

Which energy system is dominant in prolonged activities, such as marathon running?

Accepted Answer

Aerobic system

Answer

ATP-PC system

Answer

Lactic acid system

Question 24

What is the primary role of phosphocreatine in the ATP-PC system?

Accepted Answer

Replenish ATP levels

Answer

Directly produce ATP

Answer

Convert lactic acid to glucose

Question 25

Which energy system is frequently used in team sports like soccer?

Accepted Answer

Both ATP-PC and lactic acid systems

Answer

ATP-PC system

Answer

Lactic acid system

Question 26

The main byproduct of the lactic acid system is:

Accepted Answer

Lactic acid

Answer

Carbon dioxide

Answer

Water

Question 27

Which energy system primarily fuels activities lasting approximately 10-12 seconds?

Accepted Answer

ATP-PC

Answer

Lactic acid

Answer

Aerobic

Question 28

What is ATP's primary function in energy metabolism?

Accepted Answer

Providing energy for muscle contractions

Answer

Energy storage

Answer

Transporting energy between cells

Question 29

How do genetics, nutrition, and training status collectively affect an individual's energy system capacities and their utilization?

Accepted Answer

Genetics, nutrition, and training status all interact to influence energy system capacities and utilization.

Answer

Genetics solely determines energy system capacities, while nutrition and training only enhance efficiency.

Answer

Nutrition is the primary factor influencing energy system capacities, with genetics and training having minimal impact.

Answer

Training status has the greatest impact on energy system capacities, with genetics and nutrition having limited influence.

Question 30

Which energy system is primarily used to power a 100-meter sprint?

Accepted Answer

ATP-PC system

Answer

Aerobic system

Answer

Lactic acid system

Question 31

In the ATP-PC energy system, energy is rapidly released during:

Accepted Answer

Anaerobic, high-intensity activities lasting less than 10 seconds (e.g., sprints)

Answer

Activities of short duration lasting less than 30 seconds (e.g., jumping jacks)

Answer

Activities requiring prolonged endurance (e.g., marathon running)

Question 32

Which activity primarily utilizes the lactic acid energy system?

Accepted Answer

400-meter sprint

Answer

Cycling at a steady pace

Answer

Weightlifting

Answer

Marathon running

Question 33

The aerobic energy system is primarily used for:

Accepted Answer

Endurance activities lasting longer than 3 minutes (e.g., distance running)

Answer

High-intensity activities lasting less than 10 seconds (e.g., weightlifting)

Answer

Activities relying solely on stored muscle glycogen

Answer

Activities involving rapid changes in direction (e.g., agility drills)

Question 34

Which factor does NOT influence the selection of energy systems during physical activity?

Accepted Answer

Gender

Answer

Duration of activity

Answer

Intensity of activity

Question 35

Which of the following is a result of excessive lactic acid accumulation in muscles?

Accepted Answer

Muscle fatigue and soreness

Answer

Reduced energy availability

Answer

Improved endurance performance

Answer

Increased oxygen uptake

Question 36

Which type of exercise is most effective for developing the ATP-PC energy system?

Accepted Answer

Repeated sprints or plyometric exercises

Answer

Weightlifting with heavy weights

Answer

Long-distance running

Answer

Cycling at a moderate intensity

Question 37

The anaerobic threshold is:

Accepted Answer

The point at which lactic acid production exceeds its removal, leading to a rapid increase in blood lactate concentration

Answer

The maximum amount of oxygen that can be utilized during exercise

Answer

The intensity at which the ATP-PC system is primarily used

Question 38

Which energy system is primarily used for activities lasting less than 10 seconds, such as sprinting?

Accepted Answer

ATP-PC

Answer

Oxidative phosphorylation

Answer

Aerobic

Answer

Lactic acid

Question 39

What is the primary fuel source for the lactic acid energy system?

Accepted Answer

Glucose

Answer

Creatine phosphate

Answer

Fatty acids

Answer

Glycerol

Question 40

What is the end product of the lactic acid energy system?

Accepted Answer

Lactate

Answer

Carbon dioxide

Answer

Water

Question 41

Which of the following activities would primarily utilize the aerobic energy system?

Accepted Answer

Marathon running

Answer

Sprinting

Answer

Weightlifting

Answer

Cycling

Question 42

What is the primary function of creatine phosphate in the ATP-PC energy system?

Accepted Answer

Quickly replenish ATP levels

Answer

Remove lactate

Answer

Regulate blood sugar

Answer

Provide oxygen

Question 43

What is the primary role of the ATP-PC energy system in physical activity?

Accepted Answer

Provide immediate energy for short bursts of activity

Answer

Remove waste products

Answer

Sustain prolonged exercise

Question 44

What is the process by which the lactic acid energy system converts pyruvate to lactate?

Accepted Answer

Lactic acid fermentation

Answer

Citric acid cycle

Answer

Glycolysis

Answer

Oxidative phosphorylation