1. ____________________ have beautiful glass-like shells.
Select one:
a. Slime molds
b. Ciliates
c. Red algae
d. Diatoms
2. Which name signifies group of Archaeans which live in extremely saline environments?
Select one:
a. Halophiles
b. Methanogens
c. Hyperthermophiles
d. Thermoplasma
3. Which of the following traits allows some bacteria to survive extreme conditions for millions of years?
Select one:
a. binary fission
b. slime layer
c. conjugation
d. endospore formation
4. Which of the following is not a member of the Stramenopiles?
Select one:
a. euglena
b. diatoms
c. brown algae
d. water molds
5. Viruses are considered to be nonliving because
Select one:
a. they are so small
b. they consist of only a few components
c. they depend on a host for replication
d. they are parasitic
6. During bacterial conjugation, the transferred item is a:
Select one:
a. protein
b. gene
c. chromosome
d. plasmid
7. Which of the following is most associated with plant-like protists?
Select one:
a. Live anywhere in aquatic environments
b. Grow in the photic zone
c. Are all closely related to land plants
d. Can cause parasitic diseases
8. Domain (or perhaps Kingdom) Bacteria can be subdivided into 2 separate groups based on the reaction with Gram stain. The difference in this reactive relates to a difference the
Select one:
a. Ability to from a slime layer
b. Cell wall structure
c. Presence or absence of pili
d. Ability to make endospores.
9. Trypanosoma causes
Select one:
a. sleeping sickness
b. malaria
c. elephantiasis
d. diarrhea
10. One characteristic that taxonomists use to distinguish protists from fungi is the presence of a nucleus.
Select one:
True
False