mdcat logical reasoning MCQ #528

A river's fish population declines. The most probable cause is:

mdcat logical reasoning MCQ #528

  1. Question 1

    Q1. A river's fish population declines. The most probable cause is:

    • A) Introduction of predators
    • B) Increased water pH
    • C) Aquatic plant overgrowth
    • D) Riparian vegetation removal

    Answer: Introduction of predators

    Explanation: Predators directly reduce prey numbers. D affects habitat indirectly. USAT, HAT and MDCAT analytical sections repeat this pattern.