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Reasoning - Logical Reasoning:

Logical Reasoning

MCQ - 96-8048

Plants that exhibit certain leaf diseases tend to measure extremely high in the amount of zinc in their leaf and stem tissue. Botanists have discovered that phosphorus of the type typically used in a phosphorus-high fertilizer reacts with the zinc in such a way as to prevent treated plants from exhibiting the leaf diseases.

Question:

Plants that exhibit certain leaf diseases tend to measure extremely high in the amount of zinc in their leaf and stem tissue. Botanists have discovered that phosphorus of the type typically used in a phosphorus-high fertilizer reacts with the zinc in such a way as to prevent treated plants from exhibiting the leaf diseases.

Thus, plants can be cured of these leaf diseases by the use of a fertilizer high in phosphorus. The passage’s conclusion is based upon which one of the following premises?

  1. Plants with certain leaf diseases contain the same high level of zinc in their leaf and stem tissue.
  2. Zinc is the cause and not merely an effect of the leaf diseases.
  3. Treating the plants with a fertilizer high in phosphorus will have no negative effect on the plants.
  4. Zinc is the cause and not merely an effect of the leaf diseases.
  5. Normal plant tissue does not contain zinc.

Correct Answer: B

Explanation:

In this question, the premise has been suppressed. If the high level of zinc found in diseased plants is merely a symptom of the diseases, and zinc does not actually cause the diseases, then the fact that a fertilizer high in phosphorus causes plants not to exhibit the diseases, is irrelevant. So the question is based upon the assumption set forth in choice (B). The answer is (B).

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243 MCQ for effective preparation of the test of Logical Reasoning of Logical Reasoning section.

Read the MCQ statement: Plants that exhibit certain leaf diseases tend to measure extremely high in the amount of zinc in their leaf and stem tissue. Botanists have discovere .... following premises? , keenly and apply the method you have learn through the video lessons for Logical Reasoning to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 96-8048.

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Solve the question for MCQ No. and decide which option (A through D/E) is the best choice to answer the MCQ, then click/tap the blue button to view the correct answer and it explanation.

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