Energy in Physical Activities: Master Energy Concepts for Enhanced Performance

Question 1

Which of the following is NOT a form of energy?

Accepted Answer

Momentum

Answer

Kinetic energy

Answer

Thermal energy

Answer

Electrical energy

Question 2

Which of the following is NOT a method of energy transfer?

Accepted Answer

Sound

Answer

Conduction

Answer

Radiation

Answer

Convection

Question 3

Which of the following is the best definition of chemical energy?

Accepted Answer

Energy stored within the bonds of molecules

Answer

Energy of motion

Answer

Energy stored due to position or height

Answer

Energy of moving electrons

Question 4

Identify the option that is not a recognized form of energy.

Accepted Answer

Affection

Answer

Chemical energy

Answer

Kinetic energy

Answer

Potential energy

Question 5

During the ascent of a ball thrown vertically, what transformation occurs to its kinetic energy at the peak of its trajectory?

Accepted Answer

It is converted into potential energy.

Answer

It dissipates into the environment.

Answer

It remains constant.

Answer

It reverses and becomes negative.

Question 6

Which factor contributes to an increase in the rate of energy transfer?

Accepted Answer

Increased surface area

Answer

Reduced temperature gradient

Answer

Thicker material

Answer

Lower concentration gradient

Question 7

Describe the primary function of mitochondria in energy metabolism.

Accepted Answer

Production of ATP via cellular respiration.

Answer

Storage of glucose for future use.

Answer

Transportation of oxygen to cells.

Answer

Regulation of body temperature.

Question 8

Determine the energy value associated with 1 gram of carbohydrate.

Accepted Answer

4 calories

Answer

9 calories

Answer

16 calories

Answer

38 calories

Question 9

Which of these is NOT a way that energy moves from one place to another?

Accepted Answer

Evaporation

Answer

Conduction

Answer

Convection

Answer

Radiation

Question 10

Which of the following is the most precise definition of energy transfer?

Accepted Answer

The movement of energy from one object to another

Answer

The conversion of one form of energy to another

Answer

The storage of energy within an object

Answer

The creation of new energy

Question 11

In the context of human metabolism, the term 'cellular respiration' refers to:

Accepted Answer

The process by which chemical energy is converted into kinetic energy

Answer

The process by which kinetic energy is converted into chemical energy

Answer

The process by which light energy is converted into chemical energy

Answer

The process by which heat energy is converted into chemical energy

Question 12

Which of the following factors has the least influence on the rate of energy transfer by conduction?

Accepted Answer

Light intensity

Answer

Temperature difference

Answer

Material thickness

Answer

Surface area

Question 13

During a 100-meter sprint, the primary energy system utilized by the body is the:

Accepted Answer

Phosphocreatine system

Answer

Glycolytic system

Answer

Oxidative system

Answer

Lactic acid system

Question 14

The standard unit of energy in the International System of Units (SI) is the:

Accepted Answer

Joule

Answer

Watt

Answer

Calorie

Answer

Kilowatt-hour

Question 15

Which of the following activities incurs the highest energy expenditure per unit of time?

Accepted Answer

Running

Answer

Walking

Answer

Cycling

Answer

Swimming

Question 16

The transfer of heat energy between two objects in direct contact is referred to as:

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Diffusion

Question 17

Which of the following is NOT a form of energy?

Accepted Answer

Force

Answer

Kinetic energy

Answer

Potential energy

Answer

Heat energy

Question 18

Which of the following activities primarily involves the conversion of chemical energy to mechanical energy?

Accepted Answer

Running

Answer

Photosynthesis

Answer

Digestion

Answer

Respiration

Question 19

What is the primary role of ATP in cellular energy metabolism?

Accepted Answer

Short-term energy storage and transfer

Answer

Long-term energy storage

Answer

Energy production through cellular respiration

Answer

Waste product of energy metabolism

Question 20

What is the general relationship between the intensity and duration of physical activity and energy expenditure?

Accepted Answer

Both intensity and duration increase energy expenditure

Answer

Intensity increases energy expenditure, duration has no effect

Answer

Duration increases energy expenditure, intensity has no effect

Answer

Neither intensity nor duration affects energy expenditure

Question 21

Which of the following is NOT a recognized type of muscle fiber?

Accepted Answer

Type IV

Answer

Type I

Answer

Type IIa

Answer

Type IIb

Question 22

What is the primary role of the creatine phosphate system in energy metabolism?

Accepted Answer

Provides a rapid burst of energy during short-duration, high-intensity activities

Answer

Supplies energy for prolonged, low-intensity activities

Answer

Replenishes ATP stores during rest periods

Answer

Converts fat into glucose

Question 23

Which of the following is a type of potential energy stored in an object due to its position or height?

Accepted Answer

Gravitational potential energy

Answer

Kinetic energy

Answer

Chemical energy

Answer

Electrical energy

Question 24

What is the unit of energy in the International System of Units (SI)?

Accepted Answer

Joule

Answer

Watt

Answer

Newton

Answer

Kilogram

Question 25

Which macronutrient serves as the primary energy source for high-intensity physical activities lasting less than 2 minutes?

Accepted Answer

Carbohydrates

Answer

Fats

Answer

Proteins

Answer

Vitamins

Question 26

What is the primary function of creatine phosphate in the body's energy system?

Accepted Answer

To provide a rapid source of energy for short-duration, high-intensity activities

Answer

To store glucose for use during prolonged exercise

Answer

To assist in the breakdown of fats

Answer

To enhance protein synthesis

Question 27

Which organelle is responsible for producing the majority of ATP in cells?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Endoplasmic reticulum

Answer

Ribosomes

Question 28

What supplement has been shown to increase muscle glycogen storage and improve athletic performance?

Accepted Answer

Creatine

Answer

Caffeine

Answer

Beta-alanine

Answer

Sodium bicarbonate

Question 29

Which of the following is a form of stored energy?

Accepted Answer

Chemical energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Nuclear energy

Question 30

How is energy transferred during a chemical reaction?

Accepted Answer

Directly between molecules through collisions

Answer

Through electromagnetic radiation

Answer

By conduction

Answer

By convection

Question 31

What is the term for the point at which a system reaches maximum disorder and can do no more work?

Accepted Answer

Entropy

Answer

Equilibrium

Answer

Stasis

Answer

Exhaustion

Question 32

Which of the following is NOT a recommended strategy to improve energy efficiency in physical performance?

Accepted Answer

Overtraining

Answer

Proper warm-up and cool-down

Answer

Adequate hydration and nutrition

Answer

Sufficient rest

Question 33

Which of the following is the SI unit of energy?

Accepted Answer

Joule (J)

Answer

Hertz (Hz)

Answer

Watt (W)

Answer

Newton (N)

Question 34

At its highest point, a tennis ball thrown vertically upwards possesses which type of energy?

Accepted Answer

Gravitational potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Elastic potential energy

Question 35

Which of the following energy sources is considered non-renewable?

Accepted Answer

Fossil fuels (e.g., coal, oil, gas)

Answer

Solar energy

Answer

Wind energy

Answer

Hydroelectric energy

Question 36

During the initial phase of a sprint, which energy system is primarily responsible for providing energy to the muscles?

Accepted Answer

ATP-PC system

Answer

Glycolytic system

Answer

Creatine phosphate system

Answer

Oxidative system

Question 37

Which factor influences the efficiency of energy transfer during exercise?

Accepted Answer

Muscle mass

Answer

Age

Answer

Gender

Answer

Height

Question 38

What is the term used to describe the rate at which work is done?

Accepted Answer

Power

Answer

Force

Answer

Velocity

Answer

Energy

Question 39

Which macronutrient is the primary source of energy for the body during physical activity?

Accepted Answer

Carbohydrates

Answer

Fats

Answer

Proteins

Question 40

Which benefit is associated with improving energy efficiency in physical activities?

Accepted Answer

Reduced fatigue

Answer

Improved flexibility

Answer

Enhanced cardiovascular health

Answer

Increased muscle strength

Question 41

State the first law of thermodynamics.

Accepted Answer

Energy cannot be created or destroyed, only transferred or transformed.

Answer

Heat flows from hot to cold objects.

Answer

Entropy always increases.