AnswersNC-English Language Arts 9Viewpoint in I Know Why the Caged Bird Sings

Topic Test Answers

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1
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Which of the following organisms is the most harmful to the tree it grows on?

A
strangler fig
B
orchid
C
Spanish moss
D
none of the above
2
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The principal characteristic that differentiates temperate and tropical rainforests is __________.

A
latitude
B
oxygen turn over
C
the continent they are on
D
longitude
3

Rainforest deforestation is contributing to _______.

A
a decline in global biodiversity
B
the reduction of greenhouse gases
C
increased soil moisture
D
increased drug discoveries
4

Where is the carbon taken in by plants during photosynthesis stored?

A
the ground
B
plant structures
C
the air
D
all of the above
5

Foresters work for private companies as well as government agencies.

A
T
B
F
6

Which of the following is a way that trees have been negatively impacted by human use?

A
deforestation
B
pollution
C
reduction
D
all of the above
7

All ecosystems are affected by wildfires equally.

A
T
B
F
8

Which of the following statements about prescribed burns is true?

A
Prescribed burns will always have detrimental effects on ecosystems, but should be used to protect homes.
B
Prescribed burns are necessary for preventing natural wildfires.
C
Prescribed burns can help maintain healthy ecosystems.
D
None of the above
9

Which of the following forest management practices keeps the forest in a state of mid to late succession?

A
clearcutting
B
uneven-aged
C
even-aged
D
seed-tree cutting
10

Trees maintain the balance between gases in the air, removing carbon dioxide from the air and releasing oxygen.

A
T
B
F
11

Without wildfires, forest ecosystems would be more likely to suffer from outbreaks of plant disease.

A
T
B
F
12

Which of the following is not a reason that humans genetically engineer trees?

A
insect resistance
B
pharmaceutical production
C
faster growth
D
none of the above
13

Which of the following is the most direct method for combating rainforest deforestation?

A
ecotourism
B
carbon credits
C
rehabilitation
D
education
14

Rainforests are not generally considered a source of _______.

A
foods
B
spices
C
medicines
D
none of the above
15

How does the destruction of forests contribute to levels of atmospheric carbon?

A
Levels of atmospheric carbon are unaffected by destruction of forests, because the carbon entering the carbon cycle from the dead trees balances out the loss of carbon absorption during photosynthesis.
B
When trees are destroyed, their stored carbon reenters the carbon cycle decreasing levels of atmospheric carbon.
C
Fewer trees leads to greater amounts of carbon dioxide being absorbed from the atmosphere.
D
Fewer trees leads to smaller amounts of carbon dioxide being absorbed from the atmosphere.
16

Which of the following statements about wildfires is true?

A
Wildfires allow certain plant types to reproduce by cracking their seeds.
B
Natural wildfires should be prevented to maintain wildlife habitats.
C
The loss of undergrowth caused by wildfires is detrimental to an ecosystem.
D
All of the above
17

Which of the following is not a way in which trees benefit the environment?

A
They remove a significant amount of carbon dioxide from the atmosphere.
B
They remove a significant amount of oxygen from the atmosphere.
C
Their roots hold soil in place, reducing rates of erosion.
D
They remove ozone and particulates from the atmosphere.
18

Every time there is a full moon, Mrs. Cook insists that students in her classes display strange behavior. What would be the best way for her to prove the validity of her theory?

A
Keep a journal of student behavior during different phases of the moon cycle
B
Research data to find concrete evidence of a link between the moon cycle and human behavior
C
Ask students to keep a journal of how they are feeling during different phases of the moon cycle
D
Survey other teachers in the building to see if they notice similar behaviors during the full moon
19

Why are biopharmaceuticals in high demand?

A
Biopharmaceuticals are easier to produce in mass quantities than pharmaceuticals derived from animals.
B
Biopharmaceuticals do not require testing before use.
C
Biopharmaceuticals are expensive to produce but worth the benefits.
D
All of the above
20

How are the benefits of wildfires in deciduous and northern forests similar?

A
increased tree quantity
B
increased amount of lichens
C
increased nutritional value of growth
D
all of the above

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Topic Test Answers — NC-English Language Arts 9