Life Science: Life's Structure and Function, Book A

Chapter 2: Cells

Calculate a Ratio

1.
Calculate the ratio of surface area to volume for a cube that is 3 cm long.
A)1.8 cm2/cm3
B)2 cm2/cm3
C)3 cm2/cm3
D)2.2 cm2/cm3
2.
Calculate the ratio of surface area to volume for a cube that is 3 cm long. What happens to this ratio as the size of the cube decreases?
A)no change
B)it decreases
C)it increases
D)it becomes negative
3.
Calculate the ratio of surface area to volume for a cube that is 5 cm long.
A)1.2 cm2/cm3
B)2 cm2/cm3
C)1.8 cm2/cm3
D)0.8 cm2/cm3
4.
Calculate the ratio of surface area to volume for a cube that is 5 cm long. What happens to this ratio as the size of the cube increases?
A)it becomes negative
B)it increases
C)no change
D)it decreases
5.
Calculate the ratio of surface area to volume for a cube that is 2.5 cm long.
A)2 cm2/cm3
B)2.4 cm2/cm3
C)2.2 cm2/cm3
D)1.6 cm2/cm3
6.
Calculate the ratio of surface area to volume for a cube that is 2.5 cm long. What happens to this ratio as the size of the cube decreases?
A)it decreases
B)it increases
C)no change
D)it becomes negative
7.
Calculate the ratio of surface area to volume for a cube that is 4.5 cm long.
A)1.3 cm2/cm3
B)0.8 cm2/cm3
C)1.0 cm2/cm3
D)1.8 cm2/cm3
8.
Calculate the ratio of surface area to volume for a cube that is 4.5 cm long. What happens to this ratio as the size of the cube increases?
A)no change
B)it increases
C)it decreases
D)it becomes negative
9.
If a 3-cm cube doubled just one of its dimensions, what would happen to the ratio of surface area to volume?
A)it becomes negative
B)it increases
C)no change
D)it decreases
10.
If a 2.5-cm cube doubled just one of its dimensions, what would happen to the ratio of surface area to volume?
A)it decreases
B)it increases
C)no change
D)it becomes negative
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