100 Assam Geography GK Questions and Answers for ADRE, PNRD & Assam Police Exams

Assam Geography is an important topic for many Assam government competitive exams such as ADRE, PNRD, Assam Police, APSC and Grade 3 & Grade 4 recruitment exams. Questions are frequently asked from topics like rivers of Assam, national parks, climate, districts, and natural resources.

To help candidates prepare effectively, here are 100 important Assam Geography GK questions with answers and explanations. These questions cover the most important geographical facts about Assam.


Preparation Tip: Try answering each question before checking the answer. This improves memory and helps in competitive exams.

1. Which river is known as the lifeline of Assam?

Answer: Brahmaputra River

Explanation: The Brahmaputra River flows across Assam and supports agriculture, transportation, and biodiversity in the region.


2. Which river island in Assam is considered the largest river island in the world?

Answer: Majuli

Explanation: Majuli is located in the Brahmaputra River and is famous for its cultural heritage and Satras.


3. Which national park in Assam is famous for the one-horned rhinoceros?

Answer: Kaziranga National Park

Explanation: Kaziranga National Park is a UNESCO World Heritage Site known for the world’s largest population of one-horned rhinoceros.


4. Which national park in Assam is also a UNESCO World Heritage Site and a Tiger Reserve?

Answer: Manas National Park

Explanation: Manas National Park is located along the Bhutan border and is known for its rich biodiversity.


5. Which wetland in Assam is recognized as a Ramsar site?

Answer: Deepor Beel

Explanation: Deepor Beel is an important wetland near Guwahati and a habitat for migratory birds.


6. Which mountain range lies to the north of Assam?

Answer: Eastern Himalayas

Explanation: The Eastern Himalayan range borders Assam to the north and influences its climate and rivers.


7. Which district of Assam is known as the Tea City of India?

Answer: Dibrugarh

Explanation: Dibrugarh is surrounded by numerous tea gardens and plays a major role in Assam’s tea production.


8. Which river is the main tributary of the Brahmaputra in Assam?

Answer: Subansiri

Explanation: The Subansiri River originates in Tibet and joins the Brahmaputra in Assam.


9. Which national park in Assam is famous for wild water buffalo?

Answer: Kaziranga National Park

Explanation: Kaziranga hosts large populations of wild water buffalo along with rhinos and elephants.


10. Which district of Assam is the largest by area?

Answer: Karbi Anglong

Explanation: Karbi Anglong is the largest district in Assam in terms of geographical area.


11. Which district of Assam is known for oil production?

Answer: Tinsukia

Explanation: Tinsukia district contains important oil fields such as Digboi.


12. Which wildlife sanctuary in Assam has one of the highest densities of rhinoceros?

Answer: Pobitora Wildlife Sanctuary

Explanation: Pobitora Wildlife Sanctuary is known for its dense population of one-horned rhinoceros.


13. Which river forms the southern boundary of Assam with Bangladesh?

Answer: Barak River

Explanation: The Barak River flows through southern Assam and enters Bangladesh.


14. Which important hill range is located in southern Assam?

Answer: Barail Range

Explanation: The Barail Range separates the Brahmaputra valley from the Barak valley.


15. Which valley is located in southern Assam?

Answer: Barak Valley

Explanation: Barak Valley includes districts like Cachar, Karimganj, and Hailakandi.


16. Which city is known as the gateway to Northeast India?

Answer: Guwahati

Explanation: Guwahati is the largest city in Assam and a major transportation hub.


17. Which wildlife sanctuary in Assam is famous for the golden langur?

Answer: Manas National Park

Explanation: Manas National Park is one of the few habitats of the endangered golden langur.


18. Which river flows through Guwahati city?

Answer: Brahmaputra River

Explanation: The Brahmaputra flows through the heart of Guwahati city.


19. Which national park in Assam is famous for elephants?

Answer: Manas National Park

Explanation: Manas National Park hosts a large population of elephants.


20. Which river island district was created in Assam in 2016?

Answer: Majuli District

Explanation: Majuli was declared the first river island district of India in 2016.


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100 Assam Geography GK – Part 2

21. Which river originates from the Angsi Glacier in Tibet and flows through Assam?

Answer: Brahmaputra River

Explanation: The Brahmaputra originates from the Angsi Glacier in Tibet where it is known as the Yarlung Tsangpo before entering India.


22. Which national park in Assam is located on the border of Bhutan?

Answer: Manas National Park

Explanation: Manas National Park lies along the Assam–Bhutan border and is a UNESCO World Heritage Site.


23. Which river valley is the largest geographical region in Assam?

Answer: Brahmaputra Valley

Explanation: The Brahmaputra Valley is the largest valley in Assam and supports most of the state’s population and agriculture.


24. Which district of Assam is famous for Digboi oil refinery?

Answer: Tinsukia

Explanation: Digboi, located in Tinsukia district, has one of the oldest operating oil refineries in Asia.


25. Which wildlife sanctuary in Assam is known for hoolock gibbons?

Answer: Hollongapar Gibbon Wildlife Sanctuary

Explanation: Hollongapar Gibbon Wildlife Sanctuary is the only sanctuary in India dedicated to hoolock gibbons.


26. Which river forms the boundary between Assam and Arunachal Pradesh in some areas?

Answer: Subansiri River

Explanation: The Subansiri River flows through Arunachal Pradesh and joins the Brahmaputra in Assam.


27. Which national park in Assam is famous for swamp deer?

Answer: Kaziranga National Park

Explanation: Kaziranga National Park hosts a large population of swamp deer along with rhinos and elephants.


28. Which city in Assam is known as the commercial capital of Northeast India?

Answer: Guwahati

Explanation: Guwahati is the economic and commercial hub of Northeast India.


29. Which river flows through the Barak Valley?

Answer: Barak River

Explanation: The Barak River flows through southern Assam and divides into the Surma and Kushiyara rivers in Bangladesh.


30. Which district of Assam shares an international border with Bhutan?

Answer: Baksa

Explanation: Baksa district shares an international border with Bhutan.


31. Which national park in Assam is famous for the pygmy hog?

Answer: Manas National Park

Explanation: The endangered pygmy hog is found mainly in the grasslands of Manas National Park.


32. Which district of Assam is known for the Pobitora Wildlife Sanctuary?

Answer: Morigaon

Explanation: Pobitora Wildlife Sanctuary is located in Morigaon district.


33. Which important tributary of the Brahmaputra flows through Dhemaji district?

Answer: Subansiri River

Explanation: The Subansiri River flows through Dhemaji before joining the Brahmaputra.


34. Which hill district of Assam is famous for its biodiversity?

Answer: Dima Hasao

Explanation: Dima Hasao is a hill district known for forests, wildlife, and scenic landscapes.


35. Which important lake near Guwahati is known for bird watching?

Answer: Deepor Beel

Explanation: Deepor Beel attracts many migratory birds and is an important wetland ecosystem.


36. Which district of Assam is known as the gateway to Arunachal Pradesh?

Answer: Sonitpur

Explanation: Sonitpur district borders Arunachal Pradesh and serves as an important gateway to the state.


37. Which wildlife sanctuary in Assam is known for bird diversity?

Answer: Nameri National Park

Explanation: Nameri National Park is famous for bird watching and diverse wildlife.


38. Which important tributary of the Brahmaputra flows through Lakhimpur district?

Answer: Ranganadi River

Explanation: The Ranganadi River flows through Arunachal Pradesh and Lakhimpur before joining the Brahmaputra.


39. Which valley in Assam consists of Cachar, Karimganj and Hailakandi districts?

Answer: Barak Valley

Explanation: Barak Valley forms the southern geographical region of Assam.


40. Which national park in Assam is located in Sonitpur district?

Answer: Nameri National Park

Explanation: Nameri National Park lies in Sonitpur district and is known for rich biodiversity.


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100 Assam Geography GK – Part 3

41. Which biosphere reserve in Assam is recognized by UNESCO?

Answer: Manas Biosphere Reserve

Explanation: Manas Biosphere Reserve is a UNESCO-recognized reserve known for rich biodiversity and rare wildlife species.


42. Which tributary of the Brahmaputra originates from the Himalayas and flows through Arunachal Pradesh before entering Assam?

Answer: Subansiri River

Explanation: Subansiri is the largest tributary of the Brahmaputra and originates from Tibet.


43. Which district of Assam is known for the Dehing Patkai rainforest?

Answer: Dibrugarh

Explanation: The Dehing Patkai rainforest, also known as the Amazon of the East, is located in eastern Assam.


44. Which national park in Assam is famous for white-winged wood ducks?

Answer: Dehing Patkai National Park

Explanation: The park is known for rare bird species including the white-winged wood duck.


45. Which geological feature dominates the landscape of Assam?

Answer: Alluvial plains

Explanation: Most of Assam consists of fertile alluvial plains formed by the Brahmaputra and Barak rivers.


46. Which important tributary of the Brahmaputra flows through Tezpur?

Answer: Jia Bharali River

Explanation: The Jia Bharali River originates in Arunachal Pradesh and flows through Sonitpur district.


47. Which hill range separates the Brahmaputra Valley from the Barak Valley?

Answer: Barail Range

Explanation: The Barail Range forms a natural boundary between the two major valleys of Assam.


48. Which national park in Assam is known for its grassland ecosystem?

Answer: Kaziranga National Park

Explanation: Kaziranga’s floodplain grasslands support rhinos, elephants, and tigers.


49. Which important oil field in Assam is located near Digboi?

Answer: Naharkatia Oil Field

Explanation: Naharkatia is one of the major oil-producing areas of Assam.


50. Which wildlife sanctuary in Assam is located near Tezpur?

Answer: Nameri National Park

Explanation: Nameri National Park lies in Sonitpur district and is known for its bird diversity.


51. Which river forms Majuli island?

Answer: Brahmaputra River

Explanation: Majuli island lies between the Brahmaputra River and its tributary Subansiri.


52. Which district of Assam is known for the Haflong hill station?

Answer: Dima Hasao

Explanation: Haflong is the only hill station in Assam and is located in Dima Hasao district.


53. Which national park in Assam shares its boundary with Arunachal Pradesh?

Answer: Nameri National Park

Explanation: Nameri National Park lies near the border of Assam and Arunachal Pradesh.


54. Which river originates from the Patkai Hills?

Answer: Burhi Dihing River

Explanation: Burhi Dihing originates from the Patkai Hills and flows through eastern Assam.


55. Which district of Assam is famous for limestone deposits?

Answer: Dima Hasao

Explanation: Dima Hasao district contains important limestone reserves used in cement industries.


56. Which national park in Assam is famous for the Bengal tiger?

Answer: Kaziranga National Park

Explanation: Kaziranga also has one of the highest tiger densities in the world.


57. Which district of Assam has the largest forest cover?

Answer: Karbi Anglong

Explanation: Karbi Anglong district has extensive forest areas and biodiversity.


58. Which important tributary of the Brahmaputra flows through Jorhat district?

Answer: Disang River

Explanation: The Disang River flows through Nagaland and Assam before joining the Brahmaputra.


59. Which valley in Assam is known for rice cultivation?

Answer: Brahmaputra Valley

Explanation: The fertile alluvial plains of the Brahmaputra Valley support extensive rice farming.


60. Which protected area in Assam is known for clouded leopards?

Answer: Dehing Patkai National Park

Explanation: Dehing Patkai National Park is famous for rare species like clouded leopards and hoolock gibbons.



100 Assam Geography GK – Part 4

61. Which district of Assam is known as the gateway to Arunachal Pradesh?

Answer: Sonitpur

Explanation: Sonitpur district shares a boundary with Arunachal Pradesh and serves as an important route to the state.


62. Which national park in Assam is famous for the endangered golden langur?

Answer: Manas National Park

Explanation: Manas National Park provides habitat for the endangered golden langur and many other rare species.


63. Which important tributary of the Brahmaputra originates in Nagaland?

Answer: Dhansiri River

Explanation: The Dhansiri River originates in Nagaland and flows through Assam before joining the Brahmaputra.


64. Which district of Assam is known for the tea gardens of Jorhat?

Answer: Jorhat

Explanation: Jorhat district is famous for its large tea estates and is an important center of the tea industry.


65. Which river flows through the Kaziranga National Park?

Answer: Brahmaputra River

Explanation: Kaziranga lies in the floodplains of the Brahmaputra River.


66. Which wildlife sanctuary in Assam is located in the Goalpara district?

Answer: Nokrek Biosphere Reserve

Explanation: Nokrek Biosphere Reserve lies partly near the Assam–Meghalaya border and protects rich biodiversity.


67. Which district of Assam shares an international border with Bangladesh?

Answer: Karimganj

Explanation: Karimganj district shares an international boundary with Bangladesh.


68. Which major river divides Assam into two valleys?

Answer: Brahmaputra River

Explanation: The Brahmaputra River divides Assam into the north and south banks of the Brahmaputra Valley.


69. Which district of Assam is famous for Haflong Lake?

Answer: Dima Hasao

Explanation: Haflong Lake is located in Haflong town, the headquarters of Dima Hasao district.


70. Which wildlife sanctuary in Assam is famous for migratory birds?

Answer: Deepor Beel

Explanation: Deepor Beel is an important wetland ecosystem and a habitat for migratory birds.


71. Which national park in Assam lies near the Arunachal Pradesh border?

Answer: Nameri National Park

Explanation: Nameri National Park shares its northern boundary with Arunachal Pradesh.


72. Which district of Assam is famous for the Manas National Park?

Answer: Baksa

Explanation: Manas National Park is located mainly in Baksa and Chirang districts.


73. Which river forms the boundary between Assam and Nagaland?

Answer: Dhansiri River

Explanation: The Dhansiri River acts as a natural boundary in some parts between Assam and Nagaland.


74. Which district of Assam is known for its petroleum reserves?

Answer: Tinsukia

Explanation: Tinsukia district includes the famous Digboi oil refinery area.


75. Which district of Assam has the largest tea production?

Answer: Dibrugarh

Explanation: Dibrugarh district is often called the Tea City of India.


76. Which hill range lies along the Assam–Nagaland border?

Answer: Patkai Hills

Explanation: The Patkai Hills form the eastern boundary of Assam.


77. Which river flows through Dibrugarh district?

Answer: Brahmaputra River

Explanation: The Brahmaputra flows through several districts including Dibrugarh.


78. Which wildlife sanctuary in Assam is known for rhinoceros conservation besides Kaziranga?

Answer: Pobitora Wildlife Sanctuary

Explanation: Pobitora Wildlife Sanctuary has a high density of one-horned rhinoceros.


79. Which valley of Assam is drained by the Barak River?

Answer: Barak Valley

Explanation: The Barak Valley lies in southern Assam and includes three districts.


80. Which major river tributary of the Brahmaputra flows through Sivasagar district?

Answer: Disang River

Explanation: The Disang River flows through Nagaland and Sivasagar before joining the Brahmaputra.



100 Assam Geography GK – part 5

81. Which national park in Assam is also a Tiger Reserve?

Answer: Kaziranga National Park

Explanation: Kaziranga National Park is not only famous for one-horned rhinoceros but also designated as a Tiger Reserve.


82. Which district of Assam is famous for the Dehing Patkai National Park?

Answer: Dibrugarh

Explanation: Dehing Patkai National Park lies mainly in Dibrugarh and Tinsukia districts.


83. Which important tributary of the Brahmaputra originates from the Mishmi Hills?

Answer: Lohit River

Explanation: The Lohit River originates from the Mishmi Hills and later joins the Brahmaputra.


84. Which hill district of Assam is rich in mineral resources?

Answer: Dima Hasao

Explanation: Dima Hasao district contains important deposits of limestone, coal and other minerals.


85. Which district of Assam is famous for the tea gardens of Upper Assam?

Answer: Dibrugarh

Explanation: Dibrugarh district is known worldwide for its tea plantations.


86. Which wildlife sanctuary in Assam is famous for elephants?

Answer: Sonai Rupai Wildlife Sanctuary

Explanation: Sonai Rupai Wildlife Sanctuary in Sonitpur district is known for elephants and rich biodiversity.


87. Which major river tributary of the Brahmaputra flows through Jorhat district?

Answer: Disang River

Explanation: The Disang River flows through Nagaland and Assam before joining the Brahmaputra.


88. Which district of Assam is known for the Pobitora Wildlife Sanctuary?

Answer: Morigaon

Explanation: Pobitora Wildlife Sanctuary lies in Morigaon district and is famous for rhinoceros.


89. Which river is known for frequent flooding in the Brahmaputra Valley?

Answer: Brahmaputra River

Explanation: The Brahmaputra River causes annual floods in Assam due to heavy monsoon rainfall.


90. Which national park in Assam is known for bird watching tourism?

Answer: Nameri National Park

Explanation: Nameri National Park is famous for bird diversity and eco-tourism activities.


91. Which hill range forms the eastern boundary of Assam?

Answer: Patkai Hills

Explanation: The Patkai Hills form the natural boundary between Assam and Myanmar.


92. Which district of Assam is famous for Majuli island?

Answer: Majuli

Explanation: Majuli district is the first river island district in India.


93. Which wildlife sanctuary in Assam is famous for migratory birds?

Answer: Deepor Beel

Explanation: Deepor Beel is an important Ramsar wetland that attracts migratory birds.


94. Which river flows through the Barak Valley?

Answer: Barak River

Explanation: The Barak River flows through southern Assam and is the main river of the Barak Valley.


95. Which district of Assam is known for limestone mining?

Answer: Dima Hasao

Explanation: Dima Hasao district contains important limestone deposits used in cement production.


96. Which important tributary of the Brahmaputra flows through Lakhimpur district?

Answer: Ranganadi River

Explanation: The Ranganadi River originates in Arunachal Pradesh and joins the Brahmaputra in Assam.


97. Which national park in Assam lies along the Bhutan border?

Answer: Manas National Park

Explanation: Manas National Park lies along the Assam–Bhutan international border.


98. Which district of Assam is known for the Digboi oil refinery?

Answer: Tinsukia

Explanation: Digboi refinery in Tinsukia is one of the oldest oil refineries in Asia.


99. Which major river of Assam originates from the Himalayas and flows through Tibet?

Answer: Brahmaputra River

Explanation: The Brahmaputra originates in Tibet and flows across Arunachal Pradesh and Assam.


100. Which valley in Assam is known for its fertile agricultural land?

Answer: Brahmaputra Valley

Explanation: The Brahmaputra Valley is known for fertile alluvial soil supporting agriculture.


Quick Revision – Assam Geography Important Facts

  • Largest River – Brahmaputra
  • Largest River Island – Majuli
  • Famous National Parks – Kaziranga, Manas, Nameri
  • Major Valley – Brahmaputra Valley
  • Important Wetland – Deepor Beel
  • Major Hill Range – Patkai Hills

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