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...Tnpsc group preliminary syllabus and suggested reading general science we can expect around questions physics universe scientific laws instruments inventions discoveriesnational laboratoriesscience glossarymechanics properties of matterphysical quantities standards unitsforce motion energy electricity magnetism electronics communications heat light soundatomic nuclear physicssolid state physicsspectroscopy geophysics astronomy space th to school books new portion in arihant or lucent gk book std unit no refer basic topics only related you use any one knowledge tata mgraw hill studies manual chemistry elements compoundsacids bases salts oxidation reduction ores metals carbon nitrogen their compoundsfertilizers pesticides insecticidesbiochemistry biotechnologyelectrochemistrypolymers plastics study units old alone botany main concepts life sciencethe cellbasic lifeclassification living organismnutrition dieteticsrespirationexcretion metabolic wastebio communication chapters zoology blood...