1) Sedimentary rocks are formed by a processes called ____ A) Sedimentation B) Lithification C) Stratification D) Exfoliation Answer : B The process of successive deposition and formation of sedimentary rocks is called as Lithification. This process leads to formation of sedimentary rocks 2) The major element of earth’s core is ____ A) Oxygen B) Iron C) Silicon D) Potassium Answer : B Unlike the mineral-rich crust and mantle, the core is made almost entirely of metal— specifically, IRON AND NICKEL. 3) The solidification of Magma deep below the earth is called _____ A) Plutonism B) Intrustion C) Extrusion D) None of the above Answer: A When molten magma goes deep within the earth and gets solidified, it is called PLUTONISM 4) Sedimentary rocks made up of inorganic rocks and mineral fragments are called _____ A) Clasts rocks B) Karst rocks C) Plutonic rocks D) Mafic rocks Answer : A Sedimentary rocks made up of inorganic rocks and mineral fragments are called CLASTS 5)Which of the following is a type of Metamorphic rock? A)Chert B)Dolomite C)Slate D) Limestone Answer : C Important metamorphic rocks are Schist, Gneiss, Slate, Quartzite, Marble, Granite