The G2 Quiz of 2010: Art

1 Can you identify these elusive artworks? Photograph: David Levene for the Guardian 2 Which of these three did not write about art? a Jonathan Franzen (left) b Michel Houellebecq (centre) c Steve Martin (right) Photograph: Rex Features 3 Who returned from the dead? a Robert Mapplethorpe b Louise Bourgeois c Caravaggio (shown in his self-portrait as a severed head). Photograph: Archivo Iconografico, S.A./ Archivo Iconografico, S.A./CORBIS 4 Who was looking at you this year? Photograph: The Picture Desk; the Royal Academy; the Courtauld Institute 5 Which had an iPad app? a Turner prize b Frieze art fair c Canaletto at the National Gallery Photograph: AP 6 What was the most timely artwork of the year? Photograph: PR