PT135.S4.Q1 > Question

SECTION 1 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 2 · lr

SECTION 3 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2

Question 8 Question 9 Question 10 Question 11 Question 12 Question 13

PASSAGE 3

Question 14 Question 15 Question 16 Question 17 Question 18 Question 19

PASSAGE 4

Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

SECTION 4 · lr

In forests that get a lot of acid rain, why are sugar maples more likely to show signs of decline consistent with calcium deficiency than are spruces or firs, even though all three kind of trees need calcium to survive and acid rain tends to lead to lower calcium levels in soil?

The correct answer will tell us about a difference between sugar maples and the other two kinds of trees that could lead to sugar maples being more likely to suffer from effects of calcium deficiency than are the other kinds of trees.

This doesn’t differentiate sugar maples from spruces and firs.

This makes the discrepancy more difficult to explain, because it suggests sugar maples would be healthier than spruces and firs when they don’t get enough calcium. But sugar maples actually show more signs of decline.

This explains how spruces and firs can get more calcium than sugar maples, even when acid rain lowers levels of calcium in the soil. A non-soil source of calcium could lead to spruces and firs being less likely to suffer from calcium decline.

This doesn’t differentiate sugar maples from spruces and firs. We have no reason to think spruces and firs don’t have the same feature that this answer describes. So, we’re still left wondering why sugar maples are more likely to show signs of decline than the other trees.

The stimulus compares sugar maples in forests that get a lot of acid rain with spruces and firs “in such forests.” So, we’re just talking about spruces and firs in forests that do get lots of acid rain.

PrepTest 135 - Section 4 - Question 1

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