UPPSC 2014 General Studies I Solved Paper

(a) Vitamin B12 also called cobalamin is a water-soluble vitamin and cobalt is found in it. Haemoglobin is the iron containing oxygen-transport metalloprotein in the red blood cells of all vertebrates as well as the tissues of some invertebrates. Chlorophyll is a green pigment and magnesium is found init. Brass is a metallic alloy made up of copper and zinc.