Mock Practice Test-8
Which of the following statements is/are correct?
1- All igneous rocks are of magmatic origin and each intrusive type has an extrusive equivalent.
2- The metamorphic rocks are recognized by their great hardness, closely handed structures and interlocking of crystals.
3- The granitic core of the folded mountains is surrounded by metamorphic rocks, merging with sedimentary layers along the margins.
|A||1 and 2|
|D||All the above|