901: Antigen is a substance which
(a) lowers body temperature
(b) destroys harmful bacteria
(c) triggers the immune system
(d) is used as an antidote to poison
902: When the frequency distribution is normal
(a) median, mode and mean are all different from one another
(b) mean, mode and median are identical
(c) mean is greater than mode
(d) mean is greater than median
903: Which one of the following was a Saiva sect in ancient India?
(a) Ajivika
(b) Mattamayura
(c) Mayamata
(d) Isanasivagurudevapaddhati
904: Which one of the following is a non-metallic mineral?
(a) Manganese
(b) Magnesium
(c) Gypsum
(d) Bauxite
905: Which of the following authors won the Booker Prize twice?
(a) Margaret Atwood
(b) J. M. Coetzee
(c) Graham Swift
(d) Ian McEwan