Geography · Chapter 23 of 29

Landforms, Islands, Straits, Canals & Atmosphere: BPSC Prelims PYQs

22 previous-year questions on Landforms, Islands, Straits, Canals & Atmosphere, asked 1992–2025. Each one opens to its answer and explanation.

1. 1. 41st BPSC Prelims 1996

   The World's largest Delta is formed in –

   1. AGanga and Brahmaputra
   2. BMississippi-Missouri
   3. CYangtze-Kyang
   4. DHuang-Hoe
   Answer and explanation →

2. 2. 43rd BPSC Prelims 1999

   Grand Canyon is –

   1. Aa gorge
   2. Ba large cannon
   3. Ca river
   4. Dan old cannon
   Answer and explanation →

3. 3. 67th BPSC Prelims 2022

   Which of the following statements are true regarding Esker and Drumlin? 1. Eskers are ridges of crudely bedded gravel and sand. 2. Drumlins are mostly made of boulders and clay. 3. Egg basket topography is characteristic of areas with eskers. 4. While eskers are formed by the currents of glaciers, drumlins are produced by the action of glaciers. Select the correct answer from the options given below.

   1. A1, 2 and 3
   2. B1, 2 and 4
   3. C3 and 4 only
   4. D1 and 2 only
   5. Enone of the above / more than one of the above
   Answer and explanation →

4. 4. BPSC BAO 2024

   What is the second largest island in the world?

   1. ABorneo
   2. BMadagascar
   3. CNew Guinea
   4. DNone of the above
   Answer and explanation →

5. 5. 66th BPSC Prelims 2020

   Greenland is a part of which one of the following countries?

   1. ADenmark
   2. BFinland
   3. CCanada
   4. DUnited Kingdom
   5. ENone of the above/More than one of the above
   Answer and explanation →

6. 6. 64th BPSC Prelims 2018

   Which one among the following is the largest island in area?

   1. ABorneo
   2. BGreat Britain
   3. CMadagascar
   4. DSumatra
   5. ENone of the above/More than one of the above
   Answer and explanation →

7. 7. 44th BPSC Prelims 2000

   Fiji Island is located in –

   1. AAtlantic Ocean
   2. BPacific Ocean
   3. CIndian Ocean
   4. DArabian Sea
   Answer and explanation →

8. 8. 66th BPSC Prelims 2020

   The largest island of Japan in terms of the geographical area is–

   1. AHokkaido
   2. BHonshu
   3. CShikoku
   4. DKyushu
   5. ENone of the above/More than one of the above
   Answer and explanation →

9. 9. 65th BPSC Prelims 2019

   Which one of the following countries has the highest number of islands?

   1. APhilippines
   2. BIndonesia
   3. CMaldives
   4. DCuba
   5. ENone of the above/More than one of the above
   Answer and explanation →

10. 10. 66th BPSC Prelims Re-exam 2020

    Niagara Falls in North America is located between:

    1. ALake Superior and Lake Michigan
    2. BLake Michigan and Lake Huron
    3. CLake Huron and Lake Ontario
    4. DLake Ontario and Lake Erie
    5. ENone of the above / More than one of the above
    Answer and explanation →

11. 11. BPSC BAO 2024

    In which country is Lake Taupo located?

    1. AFiji
    2. BNew Zealand
    3. CJapan
    4. DNone of the above
    Answer and explanation →

12. 12. 69th BPSC Prelims 2023

    Consider the following statements : 1. Lake Victoria is the third largest freshwater lake in the world by surface area. 2. It is one of the great lakes of Africa. 3. It is bordered by four countries—Tanzania, Uganda, Rwanda and Kenya. 4. The only outflow from Lake Victoria is the Nile River, which exits the lake near Jinja, Uganda. Which of the above statements are incorrect?

    1. A1 and 2
    2. B2 and 4
    3. C3 and 4
    4. D1 and 3
    Answer and explanation →

13. 13. 71st BPSC Prelims 2025

    Which of the following Isthmuses has been known as the 'Devil's Neck?

    1. AKra Isthmus
    2. BIsthmus of Panama
    3. CKarelian Isthmus
    4. DIsthmus of Corinth
    Answer and explanation →

14. 14. 71st BPSC Prelims 2025

    Strait of Hormuz connects

    1. ARed Sea to Gulf of Aden
    2. BThe Persian Gulf to Gulf of Oman
    3. CRed Sea to Indian Ocean
    4. DMediterranean Sea to Red Sea
    Answer and explanation →

15. 15. 53rd–55th BPSC Prelims 2011

    Which strait connects the Red Sea and the Indian Ocean?

    1. ABab-el-Mandeb
    2. BHormuz
    3. CBosphorus
    4. DMalacca
    Answer and explanation →

16. 16. 44th BPSC Prelims 2000

    Malacca Strait facilitates movement from –

    1. AIndian Ocean to China Sea
    2. BRed Sea to Mediterranean Sea
    3. CAtlantic Ocean to Pacific Ocean
    4. DMediterranean Sea to Black Sea
    Answer and explanation →

17. 17. 38th BPSC Prelims 1992

    Suez Canal Connects –

    1. ABlack Sea with Red Sea
    2. BMediterranean sea with Caspian sea
    3. CRed Sea with Mediterranean Sea
    4. DNone of these
    Answer and explanation →

18. 18. 43rd BPSC Prelims 1999

    Panama Canal connects –

    1. ANorth America and South America
    2. BPacific Ocean and Atlantic Ocean
    3. CRed Sea and Mediterranean Sea
    4. DIndian Ocean and Pacific Ocean
    Answer and explanation →

19. 19. 66th BPSC Prelims Re-exam 2020

    In which ocean is Addu Atoll located?

    1. AAtlantic Ocean
    2. BArctic Ocean
    3. CIndian Ocean
    4. DPacific Ocean
    5. ENone of the above/More than one of the above
    Answer and explanation →

20. 20. 38th BPSC Prelims 1992

    Ozone layer refers to –

    1. AThe atmospheric condition of Antarctica
    2. BModern invention done on the planet Saturn
    3. CThe layer about 10-20 km. below the surface of Earth
    4. DThe layer of atmosphere of 15-20 km. above the surface of Earth
    Answer and explanation →

21. 21. 41st BPSC Prelims 1996

    The height of the ozone layer above the surface of the earth is-

    1. A15-20 km
    2. B40-50 km
    3. C70-80 km
    4. D110-120 km
    Answer and explanation →

22. 22. 39th BPSC Prelims 1994

    Clear sky nights are cooler than cloudy sky nights due to

    1. Acondensation
    2. Bradiation
    3. Cinduction
    4. Dconduction
    Answer and explanation →