Energy In Living Systems

10 Questions | Total Attempts: 156

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Energy Quizzes & Trivia

Questions and Answers
  • 1. 
    Energy is the capacity to do work.
    • A. 

      True

    • B. 

      False

  • 2. 
    Which of the following is part of the first law of thermodynamics?
    • A. 

      Kinetic energy is stored energy.

    • B. 

      Energy cannot be transferred or transformed.

    • C. 

      Potential energy equals kinetic energy in a reaction.

    • D. 

      Energy cannot be created or destroyed.

  • 3. 
    Energy in ecosystems
    • A. 

      Flows in one direction from heterotrophs to autotrophs.

    • B. 

      Is recycled by plants back to animals.

    • C. 

      Flows in one direction from the sun to heat.

    • D. 

      Is recycled by decomposers back to plants.

  • 4. 
    What is the ultimate source of energy for almost all forms of life on Earth?
    • A. 

      Solar energy

    • B. 

      Thermal energy

    • C. 

      Heat energy

    • D. 

      Nuclear energy

  • 5. 
    Which of the following statements below is correct?
    • A. 

      Energy cannot be recycled throughout an ecosystem, but matter can.

    • B. 

      Energy can be recycled throughout an ecosystem, but matter cannot.

    • C. 

      Both energy and matter can be recycled throughout an ecosystem.

    • D. 

      Neither energy or matter can be recycled throughout an ecosystem.

  • 6. 
    Kinetic energy is stored energy.
    • A. 

      True

    • B. 

      False

  • 7. 
    An object at rest has no ____ , but it may have _____ based on its location or structure.
    • A. 

      Kinetic energy, conserved energy

    • B. 

      Potential energy, kinetic energy

    • C. 

      Kinetic energy, potential energy

    • D. 

      Stored energy, potential energy

  • 8. 
    A rock on the top of a mountain has what kind of energy?
    • A. 

      Kinetic

    • B. 

      Potential

    • C. 

      No

    • D. 

      Conserved

  • 9. 
    Molecules that come from the food we eat provide energy for work that goes on inside our cells. This energy, stored inside of our food, is a form of ___.
    • A. 

      Potential energy called chemical energy

    • B. 

      Electrical energy called heat

    • C. 

      Potential energy called entropy

    • D. 

      Kinetic energy called heat

  • 10. 
    Organisms that cannot make their own food and must obtain energy from the foods they eat are called ___
    • A. 

      Autotrophs

    • B. 

      Heterotrophs

    • C. 

      Plants

    • D. 

      Matter

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