mdcat logical reasoning MCQ #420

A biologist states: 'If a cell has a nucleus, it is eukaryotic.' A cell lacks a nucleus. What follows?

mdcat logical reasoning MCQ #420

  1. Question 1

    Q1. A biologist states: 'If a cell has a nucleus, it is eukaryotic.' A cell lacks a nucleus. What follows?

    • A) It is not eukaryotic.
    • B) It is prokaryotic.
    • C) It has no organelles.
    • D) Nucleus is unnecessary for life.

    Answer: It is not eukaryotic.

    Explanation: Modus tollens applies (¬Q→¬P). It is not eukaryotic is correct because it matches what the question requires. USAT, HAT and MDCAT analytical sections repeat this pattern.