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WorksheetsMicrobiomes Chapter 1
Total questions: 15
Worksheet time: 8mins
the basic unit of structure and function in living things.
antibiotics
scale
cells
researchers
Which is larger: cells or molecules?
cells
molecules
Which of these units of measure is the largest?
centimeter
micrometer
nanometer
meter
Some organisms are made of just one cell.
True
False
Different microorganisms can be different sizes.
True
False
Which one of these things is NOT microscopic?
yeast cell
molecule
grain of salt
blood cell
Micrometers are a ____ times smaller than a meter
two
thousand
hundred thousand
million
What is the basic unit of length/distance?
gram
liter
meter
second
What does the prefix milli- mean?
1 million
1 millionth
1 thousandth
1 thousand
Which prefix means 1000?
hecto-
kilo-
centi-
micro-
How many centimeters are in a meter?
10
100
1000
10,000
Which of the following is the smallest?
A blood cell
A cheek cell
A water molecule
An egg cell
What must we use in order to see our cheek cells?
A hand lens
A magnifying glass
A telescope
A microscope
True or False: All cells are the same size.
True
False
True or False: There are trillions of microorganisms on and inside of the human body.
True
False
