3946: Main constituents of Biogas are:
(a) Methane and Carbon dioxide
(b) Ethylene and Carbon dioxide
(c) Butane and Carbon monoxide
(d) Methane and Carbon monoxide
3947: Absolute majority means ____ per cent of votes
(a) 50
(b) 66
(c) 75
(d) 80
3948: A radioactive substance has a half-life of four months. Three-fourth of the substance would decay in
(a) 3 months
(b) 4 months
(c) 8 months
(d) 12 months
3949: If the number of seats allocated to a state in the Lok Sabha is 42, then the number of seats reserved for the Scheduled Castes in that state will be
(a) Data insufficient
(b) 14
(c) 7
(d) 6
3950: Sendeep Pandey, the winner of Raman Magsaysay Award, is mainly an activist in
(a) prevention of child marriages
(b) promotion of communal harmony
(c) environmental protection
(d) education and livelihood projects for Dalits