Chapter 5: Cells: The Working Units of Life

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

Multiple Choice

 

1. Most plant and animal cells are
2. smaller than a chloroplast.
3. smaller than most bacteria.
4. large enough to be seen with a light microscope.
5. smaller than small molecules.
6. large enough to be seen with the unaided eye.

Answer: c

Textbook Reference: 5.1 What Features Make Cells the Fundamental Units of Life?

Page: 78

Bloom’s Category: 2. Understanding

 

2. The surface area-to-volume ratio of an object can be decreased by
3. cutting it into smaller pieces.
4. flattening it.
5. stretching it.
6. making it spherical.
7. All of the above

Answer: d

Textbook Reference: 5.1 What Features Make Cells the Fundamental Units of Life?

Page: 78

Bloom’s Category: 2. Understanding

 

3. What must cells do in order to survive?
4. Obtain and process energy
5. Convert genetic information into proteins
6. Keep certain biochemical reactions separate from one another
7. Both a and b
8. All of the above

Answer: e

Textbook Reference: 5.1 What Features Make Cells the Fundamental Units of Life?

Page: 78

Bloom’s Category: 2. Understanding

 

4. How does the surface area-to-volume ratio of a 1-mm cube compare to the surface area-to-volume ratio of a 3-mm cube?
5. The 3-mm cube has a higher ratio.
6. The ratio increases as the cube becomes larger.
7. Increasing the volume increases the ratio.
8. The ratio decreases as the cube becomes larger.
9. The ratio does not change.

Answer: d

Textbook Reference: 5.1 What Features Make Cells the Fundamental Units of Life?

Page: 78

Bloom’s Category: 3. Applying

 

5. The surface area-to-volume ratio of a cell
6. can be increased by increasing the volume of the cell.
7. can be decreased by decreasing the surface area.
8. explains why cells are small.
9. is of little significance to maintaining cell homeostasis.
10. None of the above

Answer: c

Textbook Reference: 5.1 What Features Make Cells the Fundamental Units of Life?

Page: 78–79

Bloom’s Category: 2. Understanding