MDCAT Biology MCQ #286

An aquarium enthusiast notices bubbles rising from an underwater Elodea plant during the day. These bubbles are a direct result of which process?

MDCAT Biology MCQ #286

  1. Question 1

    Q1. An aquarium enthusiast notices bubbles rising from an underwater Elodea plant during the day. These bubbles are a direct result of which process?

    • A) Carbon dioxide fixation
    • B) Photorespiration
    • C) Photolysis of water
    • D) Chemiosmosis

    Answer: Photolysis of water

    Explanation: Oxygen is released during photolysis of water in PSII; photorespiration is tempting but it actually consumes oxygen instead.