Geography · Chapter 18 of 29

Geological History & Rocks: BPSC Prelims PYQs

13 previous-year questions on Geological History & Rocks, asked 1994–2024. Each one opens to its answer and explanation.

1. 1. 69th BPSC Prelims 2023

   The theory that states “pieces of the Earth’s crust are in constant, slow motion driven by movement in the mantle” is called

   1. Athe theory of continental drift
   2. Bthe theory of Pangaea
   3. Cthe theory of plate tectonics
   4. Dthe theory of plate boundaries
   Answer and explanation →

2. 2. 67th BPSC Prelims 2022

   The theory of continental drift was developed by?

   1. AJ.J. Wilson
   2. BA. Wegener
   3. CDu Toit
   4. DH. Hess
   5. ENone of the above / More than one of the above
   Answer and explanation →

3. 3. 68th BPSC Prelims 2023

   The southern continent broken from Pangaea is called

   1. APacific Ocean
   2. BLaurasia
   3. CGondwanaland
   4. DMore than one of the above
   5. ENone of the above
   Answer and explanation →

4. 4. 53rd–55th BPSC Prelims 2011

   Continents have drifted apart because of-

   1. AVolcanic eruptions
   2. BTectonic activities
   3. CFolding and faulting of rocks
   4. DAll of the above
   Answer and explanation →

5. 5. 67th BPSC Prelims Re-exam 2022

   Which elements are abundant in the formation of the interior layer of the Earth?

   1. ASilica and aluminium
   2. BSilica and magnesium
   3. CBasalt and silica
   4. DNickel and ferrum
   5. ENone of the above/More than one of the above
   Answer and explanation →

6. 6. 67th BPSC Prelims Re-exam 2022

   Who among the following postulated the concept of the geographical cycle of erosion?

   1. AA. Holmes
   2. BW. M. Davis
   3. CS. W. Wooldridge
   4. DKober
   5. ENone of the above/More than one of the above
   Answer and explanation →

7. 7. 63rd BPSC Prelims 2017

   Cocos Plate lies between:

   1. ACentral America and Pacific Plate
   2. BSouth America and Pacific Plate
   3. CRed Sea and Persian Gulf
   4. DAsiatic Plate and Pacific Plate
   5. ENone of the above / More than one of the above
   Answer and explanation →

8. 8. 53rd–55th BPSC Prelims 2011

   Folding is the result of-

   1. AEpeirogenic force
   2. BCoriolis force
   3. COrogenic force
   4. DExogenic force
   Answer and explanation →

9. 9. 39th BPSC Prelims 1994

   Regarding sedimentary rocks which of the following statements is true?

   1. AThese are such rocks whose structure depends on temperature and pressure
   2. BThese rocks are crystalline
   3. CThese rocks are deposited in layers
   4. DThese rocks cannot be formed in water
   Answer and explanation →

10. 10. BPSC BAO 2024

    Which one of the following rocks is not a metamorphic rock?

    1. AQuartzite
    2. BGneiss
    3. CDolomite
    4. DNone of the above
    Answer and explanation →

11. 11. 40th BPSC Prelims 1995

    Which statement of the following is true for igneous rocks?

    1. AThese have very few fossils
    2. BThey are porous to water
    3. CThey are both crystalline and non-crystalline
    4. DThese rocks do not contain silica
    Answer and explanation →

12. 12. 70th BPSC Prelims 2024

    Which type of rock is formed from cooling and solidification of lava?

    1. AIgneous
    2. BSedimentary
    3. CCrystal
    4. DMetamorphic
    Answer and explanation →

13. 13. BPSC TRE-2 (Dec 2023)

    Minerals are deposited and accumulated in the strata of which of the following rocks?

    1. ASedimentary rocks
    2. BMetamorphic rocks
    3. CIgneous rocks
    4. DMore than one of the above
    5. ENone of the above
    Answer and explanation →