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Unit 4 Lesson 2 Archaea, Bacteria, And Viruses
Test Description: Practice questions
Instructions: Answer all questions to get your test result.
1) Bacteria are usually found in which three shapes?
A
B. square, oval, triangle
B
round, rod, spiral
2) How does the process of binary fission work in the asexual reproduction of bacteria?
A
Two cell joins to become one large cell.
B
One cell splits into two cells with identical DNA.
3) A scientist is studying extreme environments like deep sea vents salt lakes, and hot springs. What type of life should she expect to find in these environments?
A
bacteria
B
eukaryotes
C
archaea
D
viruses
4) How do prokaryotes differ from eukaryotes?
A
Eukaryotes have a nucleus, with prokaryotes do not.
B
There is no difference between the two types of cells.
5) Which of the following statements describes how the process of conjugation in bacteria?
A
A method of genetic recombination in which two cells temporarily join to combine DNA.
B
A method of asexual reproduction in which one cell divides into two.
6) Viruses are living things.
A
True
B
False
7) Archaea are more similar to eukaryotes than bacteria are.
A
True
B
False
8) Binary fission is asexual reproduction because the offspring are copies of the original cell.
A
True
B
False
9) Bacteria can be helpful and harmful.
A
False
B
True
10) In the lytic cycle, the host cell
A
undergoes cell division.
B
destroys the virus.
C
is destroyed.
D
becomes a virus.
*select an answer for all questions
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