General science multiple choice questions Test no – 7 PDF
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Science multiple gk for Odisha Exam
301. Leukemia is a disease of the
(a) Nervous system
(b) Excessive production of white blood cells
(c) Skin
(d) Respiration
302. Nights are cooler in the deserts because
(a) Sand radiates heat slowly as compared to the earth
(b) Sand radiates heat more quickly as compared to the earth
(c) The sky is generally clear
(d) The sky is generally cloudy
303. Paediatrics means the
(a) Care of children in sickness
(b) Care of pregnant women
(c) Care of feet
(d) Care of ear, nose and throat
304. The atomic weight of uranium is
(a) 237
(b) 238
(c) 226
(d) 242
305. The disease ‘Elephantiasis’ is caused by the
(a) Anopheles mosquito
(b) Culex mosquito
(c) House fly
(d) Tsetse fly
306. The number of electrons in the outermost orbit of oxygen atom is
(a) 2
(b) 6
(c) 4
(d) 8
307. The major constituent of air is
(a) Oxygen
(b) Nitrogen
(c) Hydrogen
(d) Carbon dioxide
308. The instrument used for measuring electric current is called the
(a) Electrometer
(b) Ammeter
(c) Galvanometer
(d) Spectrometer
309. At a certain place a magnet makes 30 oscillations/min. At another place where the magnetic field is double, its time period will be
(a) 4 sec
(b) 2 sec
(c) 0.5 sec
(d) √ sec
311. The metal which is found in a free state is
(a) Iron
(b) Copper
(c) Aluminium
(d) Zinc
312. Scurvy can be prevented by the intake of vitamin
(a) A
(b) C
(c) B `
(d) K