Biology 101 Ch. 6 Quiz

What is energy?

• The ability to do work or bring about a change

• The ability to create matter

• The ability to destroy matter

• The ability to stop motion

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Which type of energy is associated with motion?

• Potential/Chemical

• Kinetic/Mechanical

• Thermal

• Nuclear

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What is an example of potential/chemical energy?

• Water flowing over a waterfall

• A moving car

• The food we eat

• A spinning wheel

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According to the Law of Conservation of Energy, energy cannot be:

• Created or destroyed

• Transferred or transformed

• Increased or decreased

• Measured or quantified

What happens to energy when it changes forms according to the Law of Entropy?

• It becomes more efficient

• There is a loss of energy available to do work

• It remains constant

• It increases in quantity

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What happens to a system when there is no energy input?

• It becomes more organized

• It breaks down to its lowest energy state

• It remains unchanged

• It gains energy spontaneously

What is required to make a messy room neater according to the concept of entropy?

• Less energy

• No energy

• More energy

• Spontaneous organization

What do living organisms depend on for a constant supply of energy?

• Wind energy

• Solar energy

• Geothermal energy

• Nuclear energy

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What is the role of producers (plants) in the energy transformation process?

• They consume energy from animals

• They use energy to make biological molecules

• They break down molecules to release energy

• They store energy indefinitely

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What does entropy measure?

• Order

• Disorder

• Temperature

• Pressure