1. Bio 110 Practice problems (Chap 1)
Answers posted at the bottom of the page.
1. All cells can do these:
I. Respond to its external environment
II. Use energy
III. Think
IV. Regulate/Control its external environment
V. Give rise to new cells
A) I, II and III D) I, II and V
B) II, III and IV E) II, III and V
C) III, IV and V
2. Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that
hierarchy from most complex to least complex?
A. ecosystem, community, population, organism, organ system, organ, tissue, cell, organelle,
molecule
B. organism, organ system, tissue, population, organ, organelle, community, cell, ecosystem,
molecule
C. ecosystem, community, population, organ system, tissue, organ, cell, organism, organelle,
molecule
D. cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem,
community
3. In the diagram on the right,
"A" is _____ ; "B" is _____.
A) the most recent species identified on Earth; an ancestor of group "A"
B) the common ancestor of all life; the common ancestor of Bacteria and Archaea
C) the most recent species identified on Earth; the common ancestor of Archaea and Eukaryota
D) the universal ancestor of all life; the common ancestor of Archaea and Eukaryota
4. Refer to the tree shown on Q.3 above, which of the following statements is correct?
A) Bacteria are more closely related to Archaea than Bacteria are to Eukaryota
B) Bacteria are more closely related to Eukaryota than Bacteria are to Archaea
C) Eukaryota are equally related to Archaea and to Bacteria
D) You can’t tell whether Bacteria are more closely related to Eukaryota or Bacteria are more
closely related to Archaea
5. In comparison to eukaryotes, prokaryotes usually _____.
A) are more structurally complex C) are smaller
B) are larger D) lack any cell membranes
2. Bio 110 Practice problems (Chap 1)
6. Which of the following best describes an organism is a eukaryote?
A) It responds to stimulus
B) It is unicellular
C) It possesses organ systems
D) It possesses a nucleus surrounded by nuclear envelope
E) It does not belong to domain Bacteria
7. Which of the following domains are Prokaryotes found in? (select best answer)
I. Archaea II. Eukaryota III. Bacteria
A) I only D) I and II
B) II only E) I and III
C) III only
8. In the process of science, which of these is tested?
A) A result C) A hypothesis
B) An observation D) A control group
9. In the process of science, what follows in sequence after making an observation?
A) A result C) A hypothesis
B) An theory D) A control group
10. What type of molecule carries the hereditary information of an organism?
A) DNA D) nucleus
B) RNA E) hormones
C) protein
11. List four of the five characteristics for a living cell.
12. Why is a virus not a living organism?
13. The genes in our genome contain the recipe for making a
living thing. Each gene adds a specific protein to the recipe.
Proteins build, regulate and maintain your body. How is DNA
connected to proteins?
14. Why does inappropriate use of antiobiotics lead to the rise
of antibiotic resistant microbes that are very difficult to
treat.
