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KS3 Y9 Chap 2.7-2.9 diseases spreading - comparing microbes

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

What is most commonly used to observe bacteria?

a)

Magnifying glass

b)

Microscope

c)

Stethoscope

d)

Magnifying glass

2.
___________ is the smallest pathogen. 
a)
bacteria
b)
fungi
c)
virus
d)
parasite 
3.
Which of the following diseases or infections is caused by FUNGI?
a)
Strep Throat
b)
Athletes Foot
c)
Lice 
d)
The Flu 
4.

A bacterial disease spread by contaminated food?

a)

Malaria

b)

Salmonella

c)

Measles

d)

Gonorrhoea

5.

A viral disease found in humans?

a)

Rose black spot

b)

Tobacco mosaic virus

c)

AIDS

d)

Malaria

6.

How can white blood cells help to prevent infections?

a)

Engulf/ingest pathogens

b)

Produce antibodies against pathogens

c)

Produce antitoxins

d)

All of these options

7.

Which hair-like structures in the airways prevent the entrance of pathogens to the lungs?

a)

Cilia

b)

Mitochondria

c)

Flagella

d)

Plasmids

8.
What does invading the host cell enable the virus to do?
a)
increase its size
b)
synthesize needed oxygen
c)
obtain nutrients
d)
reproduce
9.
A piece of refrigerated, cooked meat will remain safe to eat for a longer period of time than a refrigerated piece of raw meat of similar size. Which statement is a valid inference based on this information?
a)
Cooking meat kills many bacteria and fungi.
b)
Cool temperatures stimulate the growth of microbes on raw meat.
c)
Raw meat cannot be preserved.
d)
Cooked meat contains antibodies that destroy decomposers.
10.
To what would the phrase "is not a cell but has the ability to reproduce within a living cell" best describe?
a)
an alga
b)
a yeast
c)
a bacterium
d)
a virus
11.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
12.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
host cell
b)
bacteria
c)
virus
d)
pathogen
13.
Which BEST compares bacteria and viruses?
a)
bacteria are smaller than viruses
b)
bacteria cause disease, but viruses do not
c)
bacteria are living organisms, but viruses are not
d)
bacteria have genetic material, but viruses do not
14.

Which of the following is a viral infection?

a)

cholera

b)

influenza

c)

strep throat

d)

tuberculosis

15.

Can a virus be cured with antibiotics?

a)

yes

b)

no

16.

All viruses are different, but what are two parts that a virus must have?

a)

Genetic Information (DNA or RNA)

b)

a lipid membrane

c)

a nucleus

d)

a protein coat

17.

Which of these statements is true?

a)

A virus is unicellular, it has only one cell.

b)

A virus may sometimes be multicellular, have many cells.

c)

A virus has no cells

18.
Which of the following can be helpful in treating bacterial diseases but NOT viral diseases?
a)
vaccines
b)
antibiotics
c)
antiviral drugs
d)
aspirin
19.
What is the name of the white blood cell that ingests micoorganisms?
a)
Antitoxins
b)
Antigens
c)
Phagocytes
d)
Platelets
20.
What is the name of the part of the blood that aids clotting?
a)
Antitoxins
b)
Antigens
c)
Phagocytes
d)
Platelets
21.
Which of the following is the body’s first line of defense against disease?
a)
vaccines
b)
white blood cells
c)
antibodies
d)
skin
22.

What are the proteins produced by white blood cells which bind to protein markers on pathogens?

a)

antitoxins

b)

antigens

c)

antibiotics

d)

antibodies

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