11. The earth crust is made up of
12. The example of metamorphic rock is
13. The example of sedimentary rock is
14. The hardest gemstone is
15. The rock formed by the cooling of magma under the surface of earth is
16. Which one of these is formed from the foam on the top of the lava stream when lava cools down quickly?
17. Which one of these is present in granite rock?
MCQ Multiple Choice Questions and Answers on Rocks and Minerals
Rocks and Minerals Question and Answer