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Diseases And Ecology
Test Description: Diseases and Ecology
Instructions: Answer all questions to get your test result.
1) Which is the best way to help prevent the flu from becoming a pandemic?
A
getting a vaccination
B
washing hands often
C
taking antibiotics
D
eating fruits and vegs
2) Ten people get sick at a school dance. What is the scenario that could best explain how the people got sick?
A
contact with an infected animal
B
contact with environmental source
C
contact with an infected object
D
contact with an infected person
3) Why do doctors suggest that people get a flu vaccine each year?
A
vaccines get stronger over ime
B
viruses can mutate from year to year
C
viruses replicate more rapidly over time
D
vaccines are absorbed by the body after a year
4) How can the rate of an infectious disease bo drastically reduced?
A
by wearing clean clothing daily
B
by preventing transmission between people
C
by taking medication daily
D
by performing dental hygiene three times each day
5) If I have strep throat, a bacterial disease, which of the following would be the best treatment?
A
take antibiotics
B
get plenty of rest
C
drinks lots of fluids
D
both a and c
6) Which of the following is true about sexual reproduction in bacteria?
A
involves 2 parents, offspring is a combination of both parents
B
involves 2 parents, offspring is identical to parents
C
involves 1 parent, offspring is identical
D
involves 1 parent, offspring is different from parent
7) How are bacteria different from other eukaryotes?
A
they don't have a nucleus
B
all the above
C
they have a nucleus
D
they have two nuclei
8) Which of the following correctly describes a carrier of a disease?
A
someone who has a disease, shows symptoms of it, and can pass it to someone
B
someone who has a disease but cannot pass it to another person
C
someone who has a disease and shows no symptoms but can pass it to another person
D
someone who does not have a disease but can pass it to someone
9) Why would you get a vaccine?
A
to make yourself get sicker
B
to help yourself get better once your sick
C
to stop yourself from getting sick
D
all the above
10) How can the rate of an infectious disease be drastically reduced?
A
by wearing clean clothing daily
B
by taking medication daily
C
by preventing transmission between people
D
by performing dental hygiene three times each day
11) Which best determines the number of wolves that can live in an area?
A
the number of trees in the area
B
the number of birds that live in the area
C
the amount of snow in the area each year
D
the amount of food available in the area
12) What happens to a population and to competition when there is a reduction of living space?
A
competition strengthens while the population contracts
B
competition weakens and the population decreases
C
the population expands and competition intensifies
D
the population increases as competition decreases
13) Where do plants get most of the energy they need to live and grow?
A
air
B
soil
C
water
D
sunlight
14) If wolves prey on deer for food, what most likely will happen to the deer population if wolves are removed from the area?
A
the population of deer will decrease
B
the population of deer will increase
C
the population of deer will become extinct
D
the population of deer will remain the same
15) Which best explains the importance of nitrogen in the cycling of energy and matter?
A
nitrogen decreases the effectiveness of photosynthesis
B
nitrogen increases protein production in plants
C
nitrogen increases the effectiveness of photosynthesis
D
nitrogen decreases protein production in plants
16) In the winter, the fur of the arctic fox is white. In summer, the fur darkens to reddish brown. What most likely causes the fur to change color?
A
the amount of sunlight present
B
the fox's habitat
C
the fox's age
D
the fox's genes
17) Which best allows a species to survive environmental changes?
A
genetic diversity
B
small population
C
low mutation rate
D
similar physical features
18) Kudzu vines grow by climbing and wrapping themselves around trees. Trees covered in kudzu can die because they cannot get enough sunlight. What type of relationship is this?
A
competition
B
mutualism
C
parasitism
D
predator-prey
19) What process is most responsible for the extinction of most species?
A
selective breeding
B
decrease in reproduction
C
environmental changes
D
gene mutation
20) Where is the largest amount of energy found in a food web
A
trodumers
B
producers
C
decomposers
D
consumers
*select an answer for all questions
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