Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 2 - Biological Hazards
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1.
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Pollution alters the environment, encouraging pathogens to breed. Which disease
is caused indirectly by pollution?
a. | AIDS | b. | Ebola | c. | cholera | d. | influenza |
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2.
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Most infectious diseases are transmitted through
a. | water. | b. | air. | c. | soil. | d. | people. |
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3.
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What environmental change may increase the areas where malaria occurs?
a. | draining wetlands | b. | soil erosion | c. | destroying
habitats | d. | climate change |
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4.
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Which of the following is an environmental change that may result in more
pathogens making a cross-species transfer to humans?
a. | polluting water | b. | soil erosion | c. | destroying
habitats | d. | climate change |
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5.
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Human immunodeficiency virus is considered an emerging virus because it
a. | had been controlled until recently. | b. | was previously unknown. | c. | developed from two
other viruses. | d. | has become resistant to antibiotics. |
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Matching
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Section 2 - Biological Hazards
Choose the letter of the term or
phrase that best matches the description.
a. | pathogen | d. | emerging
virus | b. | host | e. | cross-species transfer | c. | vector |
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6.
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organism in or on which a disease-causing organism lives
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7.
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previously unknown cause of disease
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8.
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transmits a disease-causing organism to people
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9.
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organism that causes disease
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10.
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movement from one kind of organism to another
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