PrepTest 153, Section 4, Question 7
Forests are among the world's most valuable resources,(432 more words not shown)
Which one of the following(11 more words not shown)
- ASome diseases that(6 more words not shown)
- BDeforestation can have(5 more words not shown)
- CThere are more(8 more words not shown)
- DThere are more(17 more words not shown)
- ECommercial plantations produce(13 more words not shown)
Reading the passage
This is a broad support question, so we need to check the evidence rather than predict one exact sentence. Some answers may repeat familiar subjects—medicines, plantations, endangered species—while adding a relationship the text never gives us.
What we’re looking for
One useful detail to keep available is the opening explanation that forests prevent soil erosion that clogs rivers with silt. That can support a modest consequence even though boats aren't mentioned by name.
Working the answers
- A
A plant containing a substance useful for treating human disease doesn't mean the plant suffers from that same disease. Medical usefulness and sharing an illness are separate claims.
- BCorrect
Forests help prevent erosion that clogs rivers with silt. Removing them can remove that protection, allowing more clogging. A clogged river can be harder for boats to navigate, so deforestation can harm water-based transportation. This is a short inference from a stated physical effect; it doesn't require claiming every cleared forest will disrupt shipping.
- C
We know plantations occupy just 3 percent of world forest area. We aren't given a count showing more plantations than every other forest type. The small area figure certainly doesn't establish the numerical majority this answer claims.
- D
There is no count comparing internationally recognized endangered species in tropical and nontropical forests. A discussion of biodiversity doesn't by itself supply either that classification or that comparison.
- E
The author doesn't say where plantation products are used. They could be consumed locally or exported. Producing wood and wood pulp tells us what the plantations provide, not whether those goods usually leave the country.
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