MDCAT Biology MCQ #12

A plant pathologist identifies a small, circular, naked RNA molecule causing stunted growth in potatoes. What is this pathogen classified as?

MDCAT Biology MCQ #12

  1. Question 1

    Q1. A plant pathologist identifies a small, circular, naked RNA molecule causing stunted growth in potatoes. What is this pathogen classified as?

    • A) Prion
    • B) Viroid
    • C) Virion
    • D) Satellite virus

    Answer: Viroid

    Explanation: Viroids are naked RNA molecules. Prions are proteins, and virions are complete viral particles containing both nucleic acid and protein.