Logical ReasoningDifficulty: Medium

PT4 S4 Q10 Explanation

Millions of irreplaceable exhibits

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsNecessary Assumption

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Stimulus

Millions of irreplaceable exhibits in natural history museums are currently allowed to decay. Yet without analyses of eggs from museums, the studies linking pesticides with the decline of birds of prey would have been impossible. Therefore, funds must be raised to be most valuable to science in the future.

What this question is testing

Necessary Assumption

Your task

Find the assumption the argument requires in order for its conclusion to hold.

Common trap

Answers that would help the argument but aren't strictly required (sufficient, not necessary).

Winning move

Negate each choice — the right one breaks the argument when negated.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
10.

The argument presupposes

Answer choices

  1. Trap9% picked this

    If a museum exhibit is irreplaceable, its preservation is of an importance that

  2. Trap11% picked this

    The scientific analysis of museum exhibits can be performed in a

  3. Trap4% picked this

    Eggs of extinct species should be analyzed to increase knowledge of genetic

  4. Correct73% picked this

    It can be known at this time what data will be of most use to scientific

    Why this is right

    Answer D is correct.

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

  5. Trap3% picked this

    The decay of organic material in natural history exhibits is natural and

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