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TCAP Prep 9
Test Description: Various questions to review for TCAP
Instructions: Answer all questions to get your test result.
1) How does Earth's magnetic field resemble that of an electromagnet?
A
Earth's magnetic field is caused by the alignment of magnetic domains
B
gravity affects the shape of both fields
C
both fields are caused by the motion of charged particles
D
Electric current flows in coils inside Earth
2) The fact that all organisms have DNA as their genetic material is evidence that
A
all organisms undergo natural selection
B
genetic resistance rarely occurs
C
selective breeding takes place every day
D
all organisms may have descended from a common ancestor
3) Which of the following is true about the tree of life?
A
the tree of life includes all known organisms
B
the tree of life includes only fossils
C
the tree of life is the same as the fossil record
D
the tree of life is a complete record of life on Earth
4) Which of the following is not a physical property of matter?
A
luster
B
color
C
pH
D
state
5) Which group of the Periodic Table includes the most reactive nonmetals?
A
group 9
B
group 18
C
group 2
D
group 17
6) Which statement applies to the transition metals?
A
they tend to gain electrons easily
B
they have similar properties to one another
C
they display a very wide range of properties
D
they are very reactive compared to other metals
7) How does the fossil record help scientist learn how species have changed over time?
A
scientists use the fossil record to look for relationships between extinct and living organisms
B
scientists use the fossil record to examine the DNA of extinct organisms
C
scientists use the fossil record to determine the age of the Earth
D
scientists use the fossil record to determine how fossils are formed
8) Carbon-14 can be used to determine the age of objects up to
A
1,000,000 years old
B
10,000 years old
C
50,000,000 years old
D
50,000 years old
9) Why do parts of Earth's history lack a fossil record?
A
fossils are rare because specific conditions are necessary for fossils to form
B
only animals form fossils so no fossil record of plants is known
C
only organisms that lived on land can form fossils
D
fossils of extinct organisms cannot be found
10) Which of the following is not evidence that supports Darwin's theory of Natural Selection?
A
gaps in the fossil record
B
historical sequence of life found in the fossil record
C
fossils of more primitive life forms found in lower sedimentary layers
D
vestigial structures
*select an answer for all questions
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