HMS, BM 2022 HSC 5 MC Which of the following is classified as a serial, open and externally paced skill? Serving in tennis Throwing a discus Catching a basketball Downhill mountain biking Show Answers Only \( D \) Show Worked Solution D is correct: Downhill mountain biking involves multiple linked movements, environmental changes, and external timing control. Other Options: A is incorrect: Tennis serve is discrete and self-paced. B is incorrect: Discus throw is discrete and self-paced. C is incorrect: Basketball catch is discrete movement.