DAILY QUIZ (EM) – GENERAL SCIENCE IN DAILY LIFE March 22, 2020 1. The precious gem Ruby, is mainly aluminum trioxide with trace amount of CobaltManganeseChromiumSilver 2. The acid produced in the digestive system of human beings is Nitric acidFormic acidAcetic acidHydrochloric acid 3. L.P.G. gas contains PentaneButaneHeptaneMethane 4. The tubes used for dialysis and blood transfusion are made of poly siliconPoly butanePolyethylenePoly vinyl chloride 5. The colour tomatoes is due to the presence of VitaminsCarotenoidsMineral saltsFlavanoids 6. The first nuclear power plant in India was set up at RamagundamJaipurKoodankulamTharapur 7. The volume percentage of oxygen present in the air which we inhale is 20%50%40%30% 8. In plants active cell division occurs in the following parts RootsFruitsStemLeaves 9. The material used for electrical fuse wire should have None of theseLow resistivitylow melting pointHigh resistivity 10. Milk of magnesia used as anti acid is Magnesium nitrateMagnesium acetateMagnesium chlorideMagnesium hydroxide Loading... Post Views: 636