WorksheetsMicroorganisms Review
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Yeast is a type of ____________ that people use to make bread.
a)
bacteria
b)
fungus
c)
virus
d)
protist
2.
Scientists must use a ____________________________ to see bacteria and protists.
a)
telescope
b)
magnifying glass
c)
microscope
d)
microorganism
3.
Bacteria are made up of how many cells?
a)
1
b)
2
c)
3
d)
trillions!
4.
____________________________ are believed to be the oldest living organisms on Earth.
a)
Fungi
b)
Protists
c)
Virus
d)
Bacteria
5.
Another name for a microorganism is ____________________________
a)
microscope
b)
microbe
c)
microprocessor
d)
microchip
6.
Something that is living is called a(n) ________________.
a)
moneran
b)
organism
c)
protista
d)
human
7.
Bacteria do not have a(n) _____, which all other organisms have.
a)
Parts
b)
Cells
c)
Eyes
d)
Nucleus
8.
What are bacteria that cause disease?
a)
viruses
b)
pathogens
c)
endospores
d)
antibiotics
9.
Which of the following is NOT made using helpful microorganisms?
a)
bread
b)
cheese
c)
steak
d)
yogurt
10.
Which of the following is NOT a category of microorganisms?
a)
animals
b)
bacteria
c)
fungi
d)
viruses
11.
What describes the relationship of microorganisms to humans?
a)
helpful only
b)
harmful only
c)
both helpful and harmful
d)
neither helpful nor harmful
12.
Which of the following are places that microorganisms can be found?
a)
air only
b)
air and water only
c)
air, water, and soil only
d)
air, water, humans, and soil
13.
Bacteria are involved in the production of fuel, food, and medications.
a)
beneficial
b)
harmful
14.
Bacteria are used in environmental recycling and clean-up.
a)
beneficial
b)
harmful
15.
Which of the following organisms are used to convert milk to yogurt?
a)
bacteria
b)
viruses
c)
algae
d)
protozoa
16.
Viruses need to be inside a living thing, like a plant, animal or person, to grow and reproduce. Diseases caused by viruses usually spread easily from one person to another. Chickenpox, measles and influenza are caused by viruses.
a)
beneficial
b)
harmful
17.
Some bacteria reproduce inside our body and cause infections. Bacteria can cause sore throats, acne, ear infections and even cavities in our teeth.
a)
beneficial
b)
harmful
18.
Some fungi are used to make medicines called antibiotics.
a)
beneficial
b)
harmful
19.
Some bacteria are found in our intestines and help us digest our food.
a)
beneficial
b)
harmful
20.
Otitis Media, a bacteria, builds up in the ear and causes an infection.
a)
beneficial
b)
harmful
100 %
