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WorksheetsMicrobiology
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
What is the smallest pathogen?
a)
Virus
b)
Bacteria
c)
Fungus
d)
Tapeworm
2.
Which was most likely classified as a pandemic?
a)
People in eleven states were sickened after eating beef contaminated with the E. Coli bacteria. The tainted beef was traced to a meat-packing plant.
b)
Two camps, in close proximity to each other, experienced an outbreak of cholera. The infection was traced to contaminated drinking water.
c)
A measles outbreak in Indiana was attributed to children whose parents did not have them vaccinated for measles.
d)
During 1918 to 1919, an estimated 20-40% of the world's population suffered from the Spanish flu.
3.
The bacteria that causes Bubonic Plague is transmitted to humans by fleas. Which term best describes the role of the fleas in transmitting Bubonic Plague?
a)
Decomposer
b)
Pathogen
c)
Parasite
d)
Vector
4.
A village has an outbreak of cholera. Which would be the easiest way for a neighboring village to prevent the cholera epidemic from spreading to their village?
a)
Develop a cholera vaccination.
b)
Quarantine all individuals infected with cholera.
c)
Avoid contaminated water, or treat contaminated water before drinking it.
d)
Restrict travel to other villages that are farther away.
5.
Which product would be most effective in preventing the spread of a cold virus?
a)
Hand soap
b)
Mouth Wash
c)
Cough Drops
d)
Antibiotic cream
6.
What characteristic of viruses distinguishes them from cells?
a)
They do not have hereditary material (DNA).
b)
They are not separated from their environments.
c)
They lack an independent metabolism, so they need a host in order to reproduce.
d)
Their traits do not evolve in response to selection pressures.
7.
Many diseases transmitted by vectors lead to the death of millions of people in the world. Which best explains why African countries are harder hit than other regions of the world?
a)
increased number of insects
b)
increased climatic variations
c)
increased ecosystem changes
d)
increased pressure from human activities
8.
Which best explains why doctors advise their patients to be vaccinated against the flu each year?
a)
The flu vaccine becomes more effective over time.
b)
The flu vaccine is developed to last for only two months.
c)
The flu vaccine given each year combines the fluvaccines given over the past five years.
d)
The flu vaccine is developed based on the virus identified as causing the particular strain of flu that year.
9.
Which situation would most favor the spread of infectious disease?
a)
Overcrowding
b)
Use of vaccines
c)
Small populations
d)
Sanitary conditions
10.
Which best describes the reproductive differences between bacterial infections and viral infections?
a)
Viruses multiply by asexual reproduction, while bacteria reproduce inside a host.
b)
Viruses multiply using a host, while bacteria are produced by way of binary fission.
c)
Viruses multiply by developing into endospores,while bacteria reproduce by way of binary fission.
d)
Viruses multiply by way of conjugation, while bacteria reproduce by developing into endospores.
11.
On Monday, Kari exhibits no symptoms of a viral illness. She is sick on Tuesday and stays home from school. On Wednesday, her friends stay home with the same illness, despite having no contact with Kari when she was sick on Tuesday. Which is the most likely explanation of how the other students became sick?
a)
Kari was immune to the virus but infected the other students.
b)
The virus mutated and infected the other students after Kari got sick.
c)
Kari was infected with the virus before she experienced any symptoms.
d)
The virus was a carrier, and the other students were infected after Kari got sick.
12.
Which best contrasts an epidemic and a pandemic?
a)
An epidemic is caused by bacteria, while a pandemic is caused by viruses.
b)
A pandemic is spread by humans, while an epidemic is spread by insects and rodents.
c)
A pandemic occurs in a small region, while an epidemic occurs in a much larger region.
d)
An epidemic affects a small population of humans, while a pandemic affects a large population of humans.
13.
Which illness is spread by eating food that has been contaminated by bacteria?
a)
Botulism
b)
Tuberculosis
c)
Influenza
d)
Lyme Disease
14.
How is a human infected with influenza different from a tick spreading Rocky Mountain spotted fever?
a)
The human is a vector, and the tick is a carrier.
b)
The human is a carrier, and the tick is a vector.
c)
The human is a vector, and the tick is a parasite.
d)
There is no difference in how the diseases spread; both are vectors.
15.
Which is the most effective defense against the chickenpox virus?
a)
Antibiotics
b)
Exercise
c)
Diet
d)
Vaccine
16.
A doctor prescribed an antibiotic to treat an illness.Which type of illness did the doctor most likely treat?
a)
Cancer
b)
Viral Infection
c)
Bacterial Infection
d)
Heart Disease
17.
Which is the best method for preventing a parasitic disease?
a)
Vaccination
b)
wearing a mask
c)
Limiting physical contact with others
d)
Avoiding contaminated food and water
18.
Which statement best describes fungi?
a)
All fungi are scavengers.
b)
All fungi are multicellular.
c)
All fungi are producers.
d)
All fungi attack plant tissue but not animal tissue.
19.
What parasite is most often responsible for the spread of Lyme disease?
a)
Amoeba
b)
Deer tick
c)
Crane Fly
d)
Mosquito
20.
Why are diseases transmitted through the bites of infected animals not considered contagious diseases?
a)
The infected animals do not show symptoms.
b)
The person in direct contact with the infected animal is the only one infected.
c)
Humans does not become sick from animal diseases.
d)
The diseases are treatable with antibiotics.
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