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Prentice Hall Biology

Chapter 19: Bacteria and Viruses

TAKS Practice Test

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(TAKS 3, Bio TEKS 4D.3)
1. Bacteria cause disease by
A becoming part of a cell's DNA.
B releasing toxins or breaking down cells.
C decomposing dead organic matter.
D carrying viruses into healthy tissues.

(TAKS 3, Bio TEKS 4D.2)
2. Bacteria that break down dead organic matter
F make nutrients available to other organisms.
G make nutrients unavailable to other organisms.
H survive and contribute to ecosystems as autotrophs.
J are mostly pathogens of humans and other animals.

(TAKS 2, Bio TEKS 8C.1)
3. Which group includes some members that can carry out photosynthesis?
A both bacteria and viruses
B viruses but not bacteria
C bacteria but not viruses
D neither viruses nor bacteria

(TAKS 2, Bio TEKS 8C.1)
4. Which gas in the atmosphere can some bacteria convert into biologically useful forms?
F oxygen
G hydrogen
H nitrogen
J water

(TAKS 2, Bio TEKS 8C.1)
5. An acellular object that contains DNA or RNA and is protected by a protein coat is called a
A cell.
B virus.
C bacterium.
D protein.

(TAKS 3, Bio TEKS 4C.3)
6. The life cycle of a lytic virus does NOT involve
F infection.
G cell death.
H replication.
J lysogenic infection.

(TAKS 3, Bio TEKS 4D.2)
7. Bacteria play an important role in ecosystems as
A parasites.
B producers.
C decomposers.
D producers and decomposers.

(TAKS 3, Bio TEKS 4C.3)
8. In any lysogenic infection, the viral DNA
F is inserted into the host DNA.
G destroys the host DNA.
H replaces the host DNA.
J is destroyed by the host DNA.

(TAKS 2, Bio TEKS 8C.1)
9. Important differences between archaebacteria and eubacteria include all of the following EXCEPT
A type of membrane lipids.
B presence of peptidoglycan.
C presence of capsid proteins.
D nucleotide sequences of DNA.

10. Boron, aluminum, gallium, indium, and thallium are all elements in Group 3A of the Periodic Table of the Elements. Which of the following statements applies to all of these elements?
F All are metals.
G All have three valence electrons.
H All are highly reactive.
J All are nonmetals.