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WorksheetsMicro Organisms
Total questions: 21
Worksheet time: 14mins
Name
Class
Date
1.
Most microorganisms cannot be seen without a...
a)
microscope
b)
magnifying lens
c)
telescope
d)
x-ray machine
2.
Which is a true statement?
a)
All microorganisms are harmful.
b)
All microorganisms are beneficial.
c)
Some microorganisms are harmful while others are beneficial.
d)
Microorganisms are beneficial only to humans.
3.
Yeast is used to make...
a)
rolls
b)
cakes
c)
pizza crust
d)
all of the above
4.
What is the cause of the common cold?
a)
bacteria
b)
cold temperatures
c)
sneezing and coughing
d)
viruses
5.
What is a way that you can protect yourself from microorganisms that can live on food?
a)
Store uncooked meats in a refrigerator or freezer.
b)
Wash hands with soap and water before and after handling food.
c)
Cook chicken and other raw meats thoroughly.
d)
All of the above
6.
Which best describes where you would find microorganisms?
a)
in ponds, lakes, and oceans.
b)
in animals, plants, and humans.
c)
on food that has rotted.
d)
everywhere around us.
7.
______________ helps us digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
8.
Yogurt and cheese can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
9.
The smallest microorganism on earth is known as _____________
a)
a virus
b)
bacteria
c)
algae
d)
fungi
10.
Algae and plankton are helpful microorganisms.
a)
True
b)
False
11.
Harmful bacteria produces cheese.
a)
True
b)
False
12.
What is Penicillin (medicine) made from?
a)
Water
b)
Sugar
c)
Mold
d)
Algae
13.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
14.
Some fungus can provide food.
a)
True
b)
False
15.
Salmonella and E. Coli can be found on ________________ and ________________ so it is important to cook all meat to kill bacteria.
a)
Waffles and scrambled eggs
b)
Broccoli and steamed corn
c)
Eggs and raw chicken
d)
Sushi and Toaster Strudel
16.
Helpful bacteria can sometimes cause Strep Throat.
a)
True
b)
False
17.
Fungi can cause skin diseases and kill crops.
a)
True
b)
False
18.
Examples of fungi can include:
a)
Warts and zits
b)
Sneezing and itching
c)
Headaches and hand cramps
d)
Ringworm and athlete's foot
19.
Toxic algae is:
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
20.
Anti-bacterial means:
a)
active against bacteria.
b)
feeds bacteria and helps it grow.
c)
has no effect on bacteria.
d)
sometimes works against bacteria, but not always.
21.
Anti-bacterial agents can include:
a)
creams, lotions, water
b)
hot water, soap,
c)
lotion, soap, cold water
d)
tissues, hand sanitizer, soap
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