PHA 321 - Biosciences II

Quiz 1 - March 1, 2004

1. The work of Pasteur

A) supported the idea of spontaneous generation.

B) was used to explain why investigators studying hay infusions had obtained results that were the opposite of those obtained by Pasteur.

C) showed that microbes caused disease.

D) allowed scientists to see microorganisms.

E) none of the above

2. Which of the following statements are true?

A) Viruses can sometimes reproduce outside of a host cell. B) Bacteria cannot move.

C) Some fungi are plants. D) Some protozoa are ciliated.

E) Some algae are parasites.

3. Bioremediation refers to

A) using bacteria for vaccine development. B) using bacteria for the production of antibiotics.

C) monitoring newly discovered pollutants. D) using bacteria to clean up pollutants.

E) using genetic engineering to clean up pollutants.

4. Genetic engineering can be used to make all of the following except

A) vaccines. B) human hormones. C) drugs . D) life.

E) all of the above can be made using genetic engineering.

5. All viruses

A) are obligate intracellular parasites. B) contain DNA.

C) consist of only proteins. D) are in the Domain Viroidae.

E) A and D

6. You are observing a cell through a microscope and note that it has no apparent nucleus. You conclude that it most likely

A) is part of a multicelluar animal. B) has a peptidylglycan cell wall.

C) has a cellulose cell wall. D) moves by pseudopods.

E) none of the above.

7. Members of the following groups contain DNA except

A) Bacteria B) Fungi C) Helminths D) Viroids E) Viruses

8. Lyme disease is an example of a disease

A) that is due to changing lifestyles. B) that is due to a decline in vaccinations.

C) that is due to a mutation. D) that is due to climate change.

E) C and D

9. Scrapies is caused by

A) a protozoan B) a viroid C) a bacteriophage D) a viron E) a prion

10. The prokaryotic members of the microbial world include

1. algae 2. fungi 3. prions 4. bacteria 5. archaea

A) 1 and 2 B) 2 and 3

C) 3 and 4 D) 4 and 5

E) 1 and 5