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Life Science Review
Test Description: Review for Life Science
Instructions: Answer all questions to get your test result.
1) What is the smallest unit that can carry on all functions of life?
A
molecule
B
cells
C
atoms
D
element
2) If you compare a city to a cell, what building would represent the mitochondria and why?
A
factory: manufactoring
B
power plant: provides energy
C
city hall: control center
D
highways and streets: transporation
3) What cell structure is the gatekeeper, controlling what goes in and out of the cell?
A
vacuole
B
cell wall
C
nucleus
D
cell membrane
4) Plants can both physically and chemically ______________ rocks.
A
weathering
B
eroding
C
building
D
depositing
5) Why do you use a microscope to view cells?
A
Cells are too small to see.
B
Cells are too large to see.
C
Cells are everywhere.
D
Cells are very colorful.
6) Which animal group lays eggs in the water, has thin skin, and metamorphosis occurs?
A
Mammals
B
Birds
C
Reptiles
D
Amphibians
7) All are examples of seed producing plants except....
A
apple tree
B
moss
C
grass
D
rose
8) What is one way that microorganisms can be harmful to humans?
A
Microorganisms decompose waste.
B
Microorganisms in our stomachs breakdown food.
C
Microorganisms cause disease.
D
Microorganisms are used in producing food.
9) Traits are determined by our genes and these traits are inherited. Where do our genes come from?
A
No one
B
Your friends
C
Your sisters and brothers
D
Your parents
10) How are humans classified?
A
Vertebrates and mammals
B
Vascular and humans
C
Vascular and mammals
D
Vertebrates and vascular
*select an answer for all questions
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