test bank

Biology: Concepts and Connections, 6e (Campbell)
Chapter 4

A Tour of the Cell
Multiple-Choice Questions
1)

Which of the following statements about cells is true?
A)

All cells have cell walls.
B)

All cells have internal structures that move.
C)

All cells are attached to other cells.
D)

All cells are motile.
E)

All cells have static organelles.
Answer:

B
Topic:

Opening Essay
Skill:

Factual Recall
2)

Light microscopes
A)

can generally magnify objects about 10,000 times without blurring.
B)

typically provide more resolution than an electron microscope.
C)

work by reflecting electrons off the surface of an object being studied.
D)

use light and glass lenses to magnify an image.
E)

are generally not used to view bacteria.
Answer:

D
Topic:

4.1
Skill:

Factual Recall
3)

One centimeter = ________ millimeters.
A)

0.01
B)

0.10
C)

10
D)

100
E)

1,000
Answer:

C
Topic:

4.1
Skill:

Factual Recall
4)

Resolution is the
A)

ability of an optical instrument to show two close objects as separate.
B)

size of an image.
C)

ability of an optical instrument to magnify an image.
D)

ability of an optical instrument to estimate the size of an image.
E)

distance between the lenses of a microscope.
Answer:

A
Topic:

4.1
Skill:

Factual Recall
5)

Which of the following statements about electron microscopes is true?
A)

Electron microscopes focus electron beams to create a magnified image of an object.
B)

Scanning electron microscopes are used to study the details of internal cell structure.
C)

Electron microscopes use glass lenses to focus and magnify the image.
D)

Transmission electron microscopes are mainly used to study cell surfaces.
E)

Specimens must be sectioned to be viewed under a scanning electron microscope.
Answer:

A