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Science and Nature Quiz for 17 August 2011

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

Question 1: Where on a fish would you find a dorsal fin?

A
Left and right, just behind the head
B
Vertically, down its back
C
Horizontally, at the tail
D
Vertically, at the tail