Name: 
 

7th Grade Cellular Process Review



True/False
Indicate whether the statement is true or false.
 

 1. 

Diffusion is a type of active transport.
 

 2. 

Only animals undergo respiration.
 

 3. 

Passive transport takes place without the use of energy.
 

 4. 

Animals use chlorophyll to produce glucose.
 

 5. 

Photosynthesis results in the release of oxygen.
 

 6. 

In respiration, glucose is broken down.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 7. 

Which of the following is NOT a producer?
a.
pine tree
c.
grass
b.
tulip
d.
honeybee
 

 8. 

Organic compounds always contain ____.
a.
water
c.
nitrogen
b.
oxygen
d.
carbon
 

 9. 

Which of these is NOT part of an atom?
a.
element
c.
neutron
b.
proton
d.
electron
 

 10. 

Substances too large to pass through the cell membrane enter the cell in a process called ____.
a.
endocytosis
c.
exocytosis
b.
passive transport
d.
active transport
 

 11. 

Active transport occurs when ____ is used to move substances through a membrane.
a.
osmosis
c.
diffusion
b.
energy
d.
chlorophyll
 

 12. 

The passive transport of water through a membrane is ____.
a.
osmosis
c.
equilibrium
b.
fermentation
d.
active transport
 

 13. 

____ is an organic compound.
a.
NaCl
c.
C6H12O6
b.
H2O
d.
O2
 

 14. 

Which of these is selectively permeable?
a.
door
c.
wall
b.
window screen
d.
mirror
 

 15. 

During periods of strenuous activity, muscle cells run low on ____.
a.
oxygen
c.
carbon dioxide
b.
glucose
d.
lactic acid
 

 16. 

Which of these is a molecule?
a.
Ca
c.
Na
b.
Mg
d.
H2O
 

 17. 

The process that releases energy without using oxygen is ____.
a.
photosynthesis
c.
osmosis
b.
respiration
d.
fermentation
 
 
nar001-1.jpg
Figure 9-1
 

 18. 

Diagram A in Figure 9-1 is an example of ____.
a.
diffusion
c.
osmosis
b.
active transport
d.
equilibrium
 

 19. 

Diagram B in Figure 9-1 is an example of ____.
a.
exocytosis
c.
osmosis
b.
active transport
d.
equilibrium
 

 20. 

Diagram C in Figure 9-1 is an example of ____.
a.
diffusion
c.
osmosis
b.
active transport
d.
equilibrium
 

 21. 

Diagram D in Figure 9-1 is an example of ____.
a.
exocytosis
c.
osmosis
b.
active transport
d.
equilibrium
 

 22. 

Diagram E in Figure 9-1 is an example of ____.
a.
diffusion
c.
osmosis
b.
exocytosis
d.
equilibrium
 

 23. 

Diagram F in Figure 9-1 is an example of ____.
a.
diffusion
c.
osmosis
b.
active transport
d.
equilibrium
 

 24. 

Which diagrams in figure 9-1 show processes that require energy?
a.
none
c.
structures D and F
b.
all
d.
structures C and E
 

Matching
 
 
Match each statement with the correct item below.
a.
nucleic acids
f.
photosynthesis
b.
metabolism
g.
lipids
c.
proteins
h.
consumers
d.
carbohydrates
i.
producers
e.
enzymes
 

 25. 

store and release large amounts of energy
 

 26. 

proteins that speed up chemical reactions
 

 27. 

changing light energy into chemical energy
 

 28. 

organisms that make their own food
 

 29. 

organisms that can't make their own food
 

 30. 

used for building cell parts
 

 31. 

sugars, starch, and cellulose
 

 32. 

store information in the cell
 

 33. 

total of all chemical reactions in an organism
 

Completion
Complete each statement.
 

 34. 

The energy used in photosynthesis comes from ____________________.
 

 

 35. 

A plant wilts as a result of the process of ____________________.
 

 

 36. 

All living things are made up of organic ____________________.
 

 

 37. 

One property of a molecule that determines whether it will pass through a selectively permeable membrane is ____________________.
 

 

 38. 

The compound that allows materials to move through cell membranes by osmosis is ____________________.
 

 

Short Answer
 

 39. 

Where does fermentation take place in the cell?
 

 40. 

Where does respiration begin and take place in the cell?
 

 41. 

From what you have learned about producers and consumers, which type of organism do you think first existed on Earth? Why?
 

 42. 

How are most inorganic compounds alike?
 

 43. 

By what processes do wastes leave cells?
 

 44. 

You are testing an unknown material and it CANNOT be broken down into simpler forms. What is it?
 

 45. 

How is osmosis related to diffusion?
 

 46. 

Why is water, an inorganic compound, necessary for life?
 

 47. 

How do you know that glucose, C6H12O6, is a compound?
 

 48. 

What does the term selectively permeable mean?
 

 49. 

Group the organisms given as either producers or consumers: cow, sea star, cattail, fern, cabbage, sparrow, carrot, cockroach, mushroom.
 

 50. 

Why is respiration almost the opposite of photosynthesis?
 

 51. 

Contrast how plant roots take in minerals from the soil with how they take in water.
 

 52. 

How is a compound different from a mixture?
 

 53. 

How are atoms and molecules related?
 
 
Comparing Chemicals
Name
Chemical Formula
ammonia
NH3
glucose
C8H12O6
salt
NaCl
water
H2O
Table 9-1
 

 54. 

Based on Table 9-1, is glucose organic or inorganic? Why?
 

 55. 

Are the four substances listed in Table 9-1 atoms, elements, molecules, or compounds? Why?
 

 56. 

In Table 9-1, how is the chemical formula for salt different from the formulas for ammonia, glucose, and water?
 

 57. 

In Table 9-1, in what way are ammonia, salt, and water alike?
 

 58. 

Which of the chemicals in Table 9-1 is the most important inorganic chemical for life processes?
 

 59. 

Which of the chemicals in Table 9-1 contains the most hydrogen atoms?
 



 
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