General Science Which layer protects earth from harmful rays of the Sun? Ozone layer Ionosphere Troposphere Magnetosphere Ozone layer Ionosphere Troposphere Magnetosphere ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Niobium and Columbium Iridium and Tungsten Boron and Aluminium Silicon and Germanium Niobium and Columbium Iridium and Tungsten Boron and Aluminium Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
General Science Which among the following is a positively charged particle emitted by a radioactive element? Cathode ray Beta ray Gamma ray Alpha ray Cathode ray Beta ray Gamma ray Alpha ray ANSWER DOWNLOAD EXAMIANS APP
General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Nitrogen None of the listed here Oxygen Hydrogen Sulphide Nitrogen None of the listed here Oxygen Hydrogen Sulphide ANSWER DOWNLOAD EXAMIANS APP
General Science The wavelength of X-rays is of the order of 1 m 10 micron 1 cm 1 angstrom 1 m 10 micron 1 cm 1 angstrom ANSWER DOWNLOAD EXAMIANS APP
General Science The age of most ancient geological formations is estimated by C14 method Ra - Si method Potassium - argon method Uranium - lead method C14 method Ra - Si method Potassium - argon method Uranium - lead method ANSWER DOWNLOAD EXAMIANS APP
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