1. Section 5.1 Test Review
Energy & Living Things

2. Multiple Choice:
 _____ involves either using energy to build molecules or break down molecules in which energy is stored.
A. metabolism C. ATP
B. photosynthesis D. NADPH
A. metabolism

3. Multiple Choice:
Organisms that must get energy from food instead of directly from sunlight or inorganic substances are called _____.
A. heterotrophs C. primary consumers
B. autotrophs D. secondary consumers
A. heterotrophs

4. True or False:
ATP is a portable form of “energy currency” inside cells.
True

5. Multiple Choice:
Directly or indirectly, almost all of the energy in living systems needed for metabolism comes from _____. A. plants C. photosynthesis B. the sun D. autotrophs
B. the sun

6. True or False:
Most plants are heterotrophic.
False

7. Multiple Choice:
Organisms that use energy from sunlight to make organic compounds are called _____.
A. heterotrophs C. primary consumers
B. autotrophs D. secondary consumers
B. autotrophs

8. Multiple Choice:
Like money, _____ is a portable form of energy “currency” inside cells. It delivers energy wherever energy is needed in a cell.
A. NADP C. PTA
B. NADPH D. ATP
D. ATP

9. True or False:
The main purpose for plants to capture the energy in sunlight is to make inorganic compounds.
False

10. Multiple Choice:
Photosynthesis is the process by which _____ energy is converted to chemical energy.
A. chemical C. light
B. heat D. sound
C. light

11. True or False:
All organisms require energy to carry out life processes.
True

12. True or False:
Heterotrophic organisms use light energy to make organic compounds.
False

13. Multiple Choice: _____ is a metabolic process similar to burning fuel.
A. Fermentation C. ATP
B. Photosynthesis D. Cellular respiration
D. Cellular respiration

14. True or False:
Animals that live exclusively by eating other animals are unable to use carbohydrates to fuel their life processes.
False

15. Multiple Choice:
Adenosine triphosphate is a nucleotide with two extra energy-storing _____ groups.
A. potassium C. carbon
B. phosphate D. sugar
B. phosphate

16. True or False:
Energy moves through food chains from heterotrophs to autotrophs.
False

17. Multiple Choice:
Organisms that make food by using energy from chemical bonds in inorganic substances are called _____.
A. heterotrophs C. primary consumers
B. autotrophs D. secondary consumers
B. autotrophs

18. Multiple Choice:
When cells break down food molecules, some of the energy in the molecules is released as heat. Much of the remaining energy is stored temporarily in molecules of _____.
A. A teepee C. PTA
B. NADPH D. ATP
D. ATP

19. Multiple Choice:
Energy is _____ when the bonds that hold the phosphate groups together are broken.
A. added C. lost
B. released D. destroyed
B. released

20. True or False:
Autotrophs make their own organic molecules by using energy from inorganic materials or sunlight.
True

21. Multiple Choice:
Energy is required for a variety of life processes including
A. growth and reproduction.
B. movement.
C. transport of materials across cell membranes.
D. All of the above.