Logical Reasoning

PT106 · S1 · Q8 Generally speaking, if the same

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Generally speaking, if the same crop is sown in a field for several successive years, growth in the later years is poorer than growth in the earlier years, since nitrogen in the soil becomes depleted.

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

8.

Which one of the following, if true, most helps to explain the similarity described above between alfalfa and non-nitrogen-fixing plants?

  1. Some kinds of plants grow

    Trap

    4% picked this

  2. Alfalfa increases the amount of

    Trap

    4% picked this

  3. Correct

    Certain types of plants, including

    Why this is right

    Answer C is correct.

    Skill tested: Paradox · how this choice captures the argument's function is the move to repeat next time.

    80% picked this

  4. Alfalfa increases nitrogen in the

    Trap

    11% picked this

  5. Alfalfa is very sensitive to

    Trap

    0% picked this

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