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Microorganisms

Total questions: 25

Worksheet time: 17mins

Name
Class
Date
1.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
2.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
3.
A eukaryotic organism that cannot be classified as an animal, plant, or fungus.
a)
Protist
b)
Virus
c)
Bacteria
d)
Capsid
4.
Viruses are considered living organisms. 
a)
True
b)
False
5.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
6.
Fungi is benefical to us because of the following reason:
a)
They are a source of oxygen
b)
They can clean up pollution
c)
They are a source of antibiotics
d)
They help to clean run off from waste
7.
What is true about bacteria?
a)
Bacteria use photosynthesis to make their own food
b)
Bacteria can only be found in dirt
c)
Bacteria is always beneficial
d)
Bacteria can be used to make certain foods
8.
Which of the following is an example of a harmful microorganism?
a)
Fungi used as antibiotics
b)
Ecoli on food that makes people sick
c)
Bacteria found in yogurt.
d)
Microorganisms helping dead matter to decay
9.
Which of the following statements are true?
a)
All microorganisms are bad
b)
All microorganisms are good
c)
Some microorganisms are harmful, while some can be helpful
d)
Microorganisms are too small to do anything to anyone
10.
Which is not an example of a helpful microorganism?
a)
Yeast to help bread rise
b)
A virus used in a vaccine
c)
Microbes used to clean oil spills
d)
Bacteria that causes strep throat
11.
Four of Mrs. Sterling's students go to Six Flags.  Two become sick.  Choose which answer gives the best evidence as to why the students became sick.
a)
Isabela and Sauzaas become sick because they do not like the dressed up characters at Six Flags.  
b)
James and and Salwa become sick because they did not have enough money to buy a souvenir. 
c)
Sauzaas and James become sick because they ingested some chicken at the food stand that had bacteria on it.  
d)
Isabella and Salwa become sick because they washed their hands too many times while at the park.
12.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
13.

What type of disease can you get from fungi?

a)

measles

b)

chicken pox

c)

food poisoning

d)

athlete's foot

14.

A mosquito bites a human. Several days later the human begins to get sick. What type of microb is LEAST LIKELY causing the illness?

a)

bacteria

b)

protists

c)

fungi

d)

virus

15.

What are vaccines?

a)

They are similar to genes because they store energy.

b)

They kill viruses using antibacterial medicine.

c)

They are injections of weakened or dead viruses.

d)

They are widespread infections.

16.

Yeast is used for making bread. Yeast is a

a)

plant.

b)

spice.

c)

fungi.

d)

bacteria.

17.

Identify the true statement below about microorganisms.

a)

The size of an organism determines its importance in an environment.

b)

Tiny microorganisms cannot harm or kill larger organisms.

c)

Humans are unaffected by microorganisms.

d)

Microorganisms affect every living thing on Earth.

18.

Identify a way that bacteria do NOT enter the human body.

a)

under the fingernails

b)

through the stomach

c)

through the lungs

d)

cut in the skin

19.

How do viruses cause disease?

a)

by putting their own DNA in human cells

b)

by producing toxins that damage tissues

c)

by causing red tides that contaminate food and water

d)

with vaccines

20.

Black mold is an organism that can be very dangerous to humans. Spores inhaled from this mold can kill infants, children and the elderly. This type of organism likes to live in dark, damp places like basements. What type of microbe is this organism?

a)

bacteria

b)

fungi

c)

protists

d)

virus

21.

What type of disease can you get from a virus?

a)

cavities

b)

chicken pox

c)

food poisoning

d)

athlete's foot

22.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
23.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
24.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
25.
Which of these microorganisms is considered harmful? 
a)
Bacteria in yogurt
b)
Fungus in antibiotics
c)
Yeast in bread
d)
Mold on fruit

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