AP Biology (Mader), 11th Edition

Chapter 20: Viruses, Bacteria, and Archaea

Pre-Test

1
Which of the following pairs is NOT correctly matched?
A)Chemoautotroph – oxidize inorganic compounds to reduce carbon dioxide
B)Photoautotroph – use solar energy to reduce carbon dioxide
C)Facultative anaerobes – require a constant supply of oxygen
D)Obligate anaerobes – unable to grow in the presence of oxygen
2
Photosynthetic bacteria that are believed to be responsible for first introducing oxygen into early Earth's primitive atmosphere are:
A)Archaea
B)Cyanobacteria
C)Halophiles
D)Prions
3
Which of the following is NOT characteristic of a prokaryote?
A)Cell wall
B)DNA
C)Nucleus
D)Plasma membrane
4
Prokaryotes reproduce _____.
A)sexually
B)by binary fission
C)by conjugation
D)by transformation
5
The innermost portion of a virus' structure is made of:
A)an envelope
B)capsomeres
C)a protein capsid
D)either DNA or RNA
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