Rocks and Minerals MCQs Quiz Multiple Choice Questions & Answers

1. A mineral from which a metal can be profitably extracted is called

1. magma
2. granite
3. ore
4. basalt

2. A mineral made of atoms of simple element is

1. gold
2. clay
3. sand
4. quartz

3. Cuprite is an ore of

1. copper
2. calcium
3. aluminium
4. iron

4. During volcanic eruptions, this molten material is continually ejected to the surface of the earth:

1. Volcanic ash
2. Pumice
3. Magma
4. Lava

5. Limestone and marble are rich in

1. calcium
2. quartz
3. mica
4. sand

6. Minerals make up

1. substances
2. metallurgy
3. rocks
4. elements

7. Pudding stone is the name given to

1. basalt
2. tuff
3. conglomerate
4. quartzite

8. Scientists who study about rocks and the crust of the earth are called

1. paleontologists
2. none of these
3. zoologists
4. geologists

9. Symbiotic bacteria are formed in the roots of

1. cotton plants
2. none of these
3. cereal plants
4. pod bearing plants

10. Taj Mahal is made up of

1. sandstone
2. slate
3. white granite
4. calcium carbonate

11. The earth crust is made up of

1. silicon and aluminium
2. all the above
3. rocks
4. mineral

12. The example of metamorphic rock is

1. marble
2. shale
3. basalt
4. dolomite

13. The example of sedimentary rock is

1. limestone
2. marble
3. granite
4. basalt

14. The hardest gemstone is

1. black diamond
2. emerled
3. ruby
4. sapphire

15. The rock formed by the cooling of magma under the surface of earth is

1. limestone
2. haematite
3. basalt
4. granite

16. Which one of these is formed from the foam on the top of the lava stream when lava cools down quickly?

1. Basalt
2. Tuff
3. Pumice
4. Obsidian

17. Which one of these is present in granite rock?

1. Malachite
2. Ruby
3. Amethyst
4. Garnet