MDCAT Biology MCQ #723

Water molecules move upward through the xylem of a tall tree. The attraction between water molecules and the cellulose walls is known as...

MDCAT Biology MCQ #723

  1. Question 1

    Q1. Water molecules move upward through the xylem of a tall tree. The attraction between water molecules and the cellulose walls is known as...

    • A) Cohesion
    • B) Adhesion
    • C) Hydrophobic exclusion
    • D) Ionization

    Answer: Adhesion

    Explanation: Adhesion is the attraction between water and different surfaces (xylem walls), while cohesion is the attraction between water molecules themselves.