Chapter 5 Self Quiz: Energy and Life

  1. Objects that have the capacity to move but are not moving have ________ energy.
    1. potential (correct)
    2. heat (wrong)
    3. no (wrong)
    4. passive (wrong)
    5. kinetic (wrong)
      Hint
  2. In an ecosystem, photosynthetic plants
    1. store energy in DNA (wrong)
    2. convert starch to glycogen (wrong)
    3. convert glycogen to starch (wrong)
    4. are producers (correct)
    5. are consumers (wrong)
      Hint
  3. The first law of thermodynamics states that energy
    1. recycles in an ecosystem (wrong)
    2. is always increasing in an ecosystem (wrong)
    3. is created by producers (wrong)
    4. is created by consumers (wrong)
    5. can neither be created nor destroyed (correct)
      Hint
  4. The products of ________ reactions contain more energy than the reactants, and require energy to proceed.
    1. endergonic (correct)
    2. endothermic (wrong)
    3. homeothermic (wrong)
    4. ectothermic (wrong)
    5. exergonic (wrong)
      Hint
  5. Enzymes work by ________ the activation energy of ________ chemical reactions.
    1. lowering, exergonic (correct)
    2. lowering, hypotonic (wrong)
    3. raising, exergonic (wrong)
    4. raising, endergonic (wrong)
    5. leveling, hypertonic (wrong)
      Hint
  6. ________ is the main energy currency of the cell.
    1. ATP (correct)
    2. DNA (wrong)
    3. RNA (wrong)
    4. Cholesterol (wrong)
    5. Ribosome (wrong)
      Hint