Focus On Life Science: California Grade 7

Chapter 2: From a Cell to an Organism

Math Practice

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1.
What is the probability that a student in the 2nd period class would look into the microscope and find a cell in telophase?
A)1 out of 2
B)1 out of 20
C)1 out of 4
D)1 out of 15
2.
What is the probability that a student in the 3rd period class would look into the microscope and find a cell in interphase?
A)4 out of 5
B)1 out of 24
C)1 out of 4
D)1 out of 6
3.
What is the probability that a student in the 1st period class would look into the microscope and find a cell in prophase?
A)2 out of 15
B)2 out of 11
C)1 out of 15
D)1 out of 4
4.
What is the probability that a student in the 6th period class would look into the microscope and find a cell in metaphase?
A)2 out of 23
B)1 out of 15
C)1 out of 2
D)2 out of 3
5.
What is the probability that a student in the 3rd period class would look into the microscope and find a cell in anaphase?
A)1 out of 30
B)1 out of 24
C)1 out of 2
D)1 out of 1
6.
What is the probability that a student in the 1st period class would look into the microscope and find a cell in telophase?
A)1 out of 2
B)1 out of 22
C)1 out of 30
D)1 out of 1
7.
What is the probability that a student in the 2nd period class would look into the microscope and find a cell in interphase?
A)2 out of 3
B)1 out of 20
C)1 out of 2
D)1 out of 3
8.
What is the probability that a student in the 5th period class would look into the microscope and find a cell in prophase?
A)1 out of 3
B)3 out of 22
C)1 out of 10
D)1 out of 15
9.
What is the probability that a student in the 2nd period class would look into the microscope and find a cell in metaphase?
A)1 out of 30
B)1 out of 20
C)1 out of 2
D)1 out of 3
10.
What is the probability that a student in the 1st period class would look into the microscope and find a cell in anaphase?
A)1 out of 3
B)1 out of 22
C)1 out of 2
D)1 out of 30
Grade 7
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