Topicwise Questions - Rocks and Minerals

1. Which one among the following rocks does not belong to the same group?

  1. Shale
  2. Limestone
  3. Slate
  4. Sandstone

2. The Deccan Trap Formation was caused by

  1. Shield eruption
  2. Composite eruption
  3. Caldera eruption
  4. Flood basalt eruption

3. In which among the following terrains the bore wells and canals can be dug easily?

  1. Gneiss, granites and basaltic terrain of Peninsular India
  2. Rolling and dotted hilly terrain of North-east India
  3. Soft alluvium of the Northern Plains
  4. Confined aquifer below the normal water table

4. The Damuda series of Gondwana system has three stages, namely, Raniganj, Barren Rocks and Barakar. The middle stage is called Barren because

  1. it consists of coal and not iron
  2. it consists of iron and not coal
  3. it consists of neither coal nor iron
  4. it is a sedimentary layer consisting of shale and clay

5. Which of the following statements is/are correct?

  1. The major constituent mineral of granite rock is quartz.
  2. The major constituent mineral of sandstone rock is feldspar.
  3. The major constituent mineral of limestone rock is dolomite.

Select the correct answer using the code given below:

  1. 1, 2 and 3
  2. 3 only
  3. 1 and 2 only
  4. 2 and 3 only

6. Which one among the following is a primary rock?

  1. Sedimentary
  2. Igneous
  3. Metamorphic
  4. None of the above

7. Which of the following statements regarding the Deccan Trap is/are correct?

  1. Intense volcanic activity in the form of fissure eruption took place towards the end of Cretaceous period
  2. The volcanic lava spread out in horizontal sheets
  3. The regur soil found here is rich in nitrogen

Select the correct answer using the code given below:

  1. 1 and 2 only
  2. 1, 2 and 3
  3. 3 only
  4. 1 only


8. Consider the following statements about rocks:

  1. Shale becomes Slate through metamorphosis
  2. Shale is converted to Slate when it is subjected to tremendous pressure and high temperature

Which of statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

9. Which one of the following is generally found in sedimentary rocks?

  1. Basalt
  2. Silica
  3. Shale
  4. Magnesium

10. The earth’s crust is the thinnest

  1. under the mountain ranges
  2. under continental masses
  3. at ocean bottoms
  4. at mid-oceanic ridges

11. Which of these is not responsible for the formation of igneous rock?

  1. sediments
  2. liquid rock
  3. magma
  4. lava


12. Which of the following rocks is different from others?

  1. marble
  2. gypsum
  3. sandstone
  4. limestone

13. Magma that cools slowly beneath the earth's surface produces

  1. marble.
  2. intrusive igneous rocks.
  3. fine-grained metamorphic rocks.
  4. extrusive igneous rocks.


14. Igneous, sedimentary, and metamorphic rocks are usually composed of

  1. intergrown crystals
  2. minerals
  3. fossils
  4. sediments

15. Which process is necessary for the formation of igneous rocks?

  1. erosion
  2. deposition
  3. metamorphism
  4. solidification

16. Which characteristic of rocks tends to increase as the rocks are metamorphosed?

  1. density
  2. porosity
  3. permeability
  4. number of fossils present

17. In which type of rock would you expect to find fossils?

  1. granite
  2. obsidian
  3. shale
  4. marble