mdcat logical reasoning MCQ #422

If all vertebrates have a backbone and all mammals are vertebrates, which is valid?

mdcat logical reasoning MCQ #422

  1. Question 1

    Q1. If all vertebrates have a backbone and all mammals are vertebrates, which is valid?

    • A) All mammals have backbones.
    • B) Some mammals lack backbones.
    • C) Backbones define vertebrates.
    • D) Mammals are not vertebrates.

    Answer: All mammals have backbones.

    Explanation: Transitive inclusion applies. All mammals have backbones is correct because it matches what the question requires. USAT, HAT and MDCAT analytical sections repeat this pattern.