This randomly generated multichoice quiz tests your understanding and knowledge of the available natural harmonics on orchestral string instruments.

The test is timed from when you start. You should be aiming to complete this test in under 4 minutes.

0–2 mins = Professional  2–4 mins = Good  4–6 mins = Average  6–8 mins = Sluggish  8 mins or more = Too slow.

Visit the Natural Harmonics for Strings webpage to revise for this quiz.