PT124.S1.Q15 > Analytics

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 · lr

SECTION 4 · rc

PASSAGE 1

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

PASSAGE 2

Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14

PASSAGE 3

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

The author concludes that limestone (alkaline) will make soil with dead plants on it (acidic) more attractive to earthworms, because earthworms prefer a neutral pH.

We don’t know that limestone will have the desired effect. There are many ways that this assumption could take form, but generally, we need to know that there isn’t some unknown factor that would prevent the limestone from making the soil less acidic.

Irrelevant. The argument isn’t about what functions an earthworm performs or which is most important, it’s about whether limestone will make the soil more attractive to them.

This needs to be true for the author’s argument. If negated, then the limestone isn’t given enough time to make the soil less acidic, and the conclusion that the earthworms will like the soil more after using limestone doesn’t make sense.

This would support a conclusion that the limestone contributes to healthy soil, but the argument is about whether limestone would make acidic soil more attractive to earthworms.

Irrelevant. We don’t need to know anything about the relationship (or lack thereof) between soil acidity and how quickly plants decompose.

We don’t need information about how beneficial earthworms are to any kind of soil. The argument is that limestone would make acidic soil more attractive to earthworms.

Question

97% of people who answer get this correct

This is a slightly challenging question.

CURVE

Score of students with a 50% chance of getting this right

25% 128

135

75% 143

Question Stem Tags

Necessary assumption

Stimulus Tags

Net effect

Popularity Avg. score

153

97%

164

153

154

151

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PrepTest 124 - Section 1 - Question 15

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