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7th-8th Grade Ch. 6-7 Review, Part 1
Test Description: Chapters 6-7 Review on Cell Division and Genetics
Instructions: Answer all questions to get your test result.
1) The two stages of cell division are
A
mitosis and cytokinesis
B
anaphase and telophase
C
asexual and sexual
D
replication and transcription
2) A cell surrounded by a protective covering is a
A
spore.
B
cellocyte.
C
bug.
D
zygote.
3) The new cell that forms from the union of two gametes is called
A
an egg.
B
a zygote.
C
a sperm.
D
a fertilization product.
4) Asexual reproduction is reproduction by
A
fertilization.
B
meiosis.
C
mitotic cell divisions.
D
pollination.
5) By what process does sexual reproduction copy genetic information?
A
meiosis
B
mitosis
C
mutation
D
migration
6) In mitosis the chromosomes are lined up at the center of the spindle during
A
metaphase.
B
telophase.
C
prophase.
D
mitophase.
7) Genes are sections of
A
DNA.
B
amino acids.
C
cytoplasm.
D
protein.
8) What carries the genetic code from the DNA to the ribosomes?
A
messenger RNA
B
transfer RNA
C
messenger DNA
D
proteins
9) Which of the following is not one of the four bases in a DNA molecule?
A
uracil
B
cytosine
C
adenine
D
guanine
10) True or False: The cells of human skin may go through mitotic cell division several times a day.
A
False
B
Happy
C
Thanksgiving
D
True
11) True or False: In the DNA molecule, adenine always pairs with thymine.
A
Happy
B
Thanksgiving
C
False
D
True
12) True or False: In the RNA molecule, uracil always pairs with cytosine.
A
Thanksgiving
B
True
C
False
D
Happy
13) True or False: An organism can reproduce sexually or asexually but not both.
A
True
B
Thanksgiving
C
Happy
D
False
14) True or False: Protein synthesis occurs at ribosomes.
A
Thanksgiving
B
False
C
Happy
D
True
*select an answer for all questions
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