General Knowledge Quiz for Friday, 2 November 2018
A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.
Question 1: What purpose do a shark's dermal denticles serve?
A
B
To increase its ability to hold prey once seized
To strengthen and protect its skin against injury, and aid in streamlining
C
To ward off parasites
D
To increase buoyancy