Glencoe Science Level Green

Chapter 10: Cell Reproduction

Standardized Test Practice

1
In which stage of the cell cycle does a eukarotic cell spend most of its life?
A)cytoplasmic division
B)mitosis
C)prophase
D)interphase
2
What happens during mitosis?
A)A cell's organelles duplicate.
B)A cell's nucleus divides.
C)A cell's chromosomes duplicate.
D)A cell's DNA is copied.
3
What usually happens right after a cell's nucleus divides?
A)Its other organelles divide.
B)Its DNA is copied.
C)It grows and prepares for mitosis.
D)It splits into two new cells.
4
Which stage of mitosis is shown?

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A)anaphase
B)metaphase
C)prophase
D)telophase
5
All of these are an example of asexual reproduction except
A)a sea star regenerating a new arm.
B)a mother dog giving birth.
C)a potato sprouting new plants from its buds.
D)a strawberry plant forming new plants with runners.
6
How many sex cells result from both meiosis I and meiosis II?
A)4
B)1
C)2
D)3
7
Cells that have half the number of chromosomes as body cells are called
A)diploid.
B)polyploid.
C)haploid.
D)zygotes.
8
If a sex cell has 12 chromosomes, how many chromosomes will there be after fertilization?
A)24
B)6
C)12
D)48
9
What do the structures labeled with letters represent in the diagram?

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A)chromosomes
B)proteins
C)nitrogen bases
D)mRNA molecules
10
What does this diagram illustrate?

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A)cell reproduction
B)DNA duplication
C)protein synthesis
D)meiosis
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