Hills, Plateaus & Valleys MCQs

Assam General Knowledge

Module 21: Assam Maps, Locations & Physical Features MCQs

Topic: Hills, Plateaus & Valleys MCQs

Sub-Topic I: Physiographic Overview of Assam

Q1. Assam can be physiographically divided mainly into how many regions?

A. Two
B. Three
C. Four
D. Five

Correct Answer: B. Three

Explanation:
Assam is broadly divided into three physiographic regions—the Brahmaputra Valley, the Barak Valley, and the Hill & Plateau regions.

Q2. Which physical feature occupies the largest area of Assam?

A. Hills
B. Plateaus
C. Valleys
D. Coastal plains

Correct Answer: C. Valleys

Explanation:
The Brahmaputra Valley and Barak Valley together cover the largest area, forming Assam’s fertile alluvial plains.

Q3. Hills and plateaus of Assam are mainly located in which direction?

A. Central Assam
B. Northern Assam
C. Southern and eastern Assam
D. Western Assam

Correct Answer: C. Southern and eastern Assam

Explanation:
Assam’s hills and plateaus are largely concentrated in the southern and eastern parts, bordering Meghalaya, Nagaland, and Arunachal Pradesh.

Q4. Which physiographic division of Assam is most suitable for intensive agriculture?

A. Hills
B. Plateaus
C. Valleys
D. Escarpments

Correct Answer: C. Valleys

Explanation:
The valleys contain fertile alluvial soils, making them ideal for wet rice cultivation and dense settlement.

Q5. Assam’s hills form part of which broader mountain system?

A. Western Ghats
B. Eastern Himalayas and Purvanchal
C. Aravalli Range
D. Vindhya Range

Correct Answer: B. Eastern Himalayas and Purvanchal

Explanation:
Assam’s hills belong to the Purvanchal extension of the Eastern Himalayas.

Sub-Topic II: Hills of Assam

Q6. Which is the largest hill district of Assam by area?

A. Dima Hasao
B. Karbi Anglong
C. Cachar
D. Kokrajhar

Correct Answer: B. Karbi Anglong

Explanation:
Karbi Anglong is the largest hill district of Assam, forming part of the Karbi Plateau.

Q7. Dima Hasao district is also historically known as:

A. Cachar Hills
B. North Cachar Hills
C. Garo Hills
D. Khasi Hills

Correct Answer: B. North Cachar Hills

Explanation:
Dima Hasao was earlier called North Cachar Hills, reflecting its hilly terrain.

Q8. Which hill range separates the Brahmaputra Valley from the Barak Valley?

A. Patkai Range
B. Garo Hills
C. North Cachar Hills
D. Dafla Hills

Correct Answer: C. North Cachar Hills

Explanation:
The North Cachar Hills act as a natural barrier between the Brahmaputra and Barak Valleys.

Q9. The Patkai Hills form Assam’s boundary with which state/country?

A. Meghalaya
B. Bangladesh
C. Nagaland and Myanmar
D. Arunachal Pradesh

Correct Answer: C. Nagaland and Myanmar

Explanation:
The Patkai Hills mark Assam’s boundary with Nagaland and Myanmar.

Q10. Hills of Assam are generally characterised by:

A. Flat terrain
B. Desert conditions
C. Dense forests and steep slopes
D. Volcanic cones

Correct Answer: C. Dense forests and steep slopes

Explanation:
Assam’s hills are marked by steep slopes, heavy rainfall, and dense forest cover, supporting rich biodiversity.

Sub-Topic III: Plateaus of Assam

Q11. Which plateau is the most prominent in Assam?

A. Meghalaya Plateau
B. Karbi Plateau
C. Chota Nagpur Plateau
D. Deccan Plateau

Correct Answer: B. Karbi Plateau

Explanation:
The Karbi Plateau is the only major plateau region fully within Assam.

Q12. The Karbi Plateau is primarily located in which district?

A. Dima Hasao
B. Cachar
C. Karbi Anglong
D. Sonitpur

Correct Answer: C. Karbi Anglong

Explanation:
The Karbi Plateau covers much of Karbi Anglong district.

Q13. Which geological feature distinguishes a plateau from hills?

A. High rainfall
B. Flat-topped surface
C. Dense forests
D. River erosion

Correct Answer: B. Flat-topped surface

Explanation:
Plateaus are characterised by elevated, relatively flat surfaces, unlike steep hills.

Q14. The Karbi Plateau is geologically an extension of which plateau?

A. Chota Nagpur Plateau
B. Deccan Plateau
C. Meghalaya Plateau
D. Tibetan Plateau

Correct Answer: C. Meghalaya Plateau

Explanation:
The Karbi Plateau is considered an eastern extension of the Meghalaya Plateau.

Q15. Economic activities in plateau regions of Assam mainly include:

A. Large-scale irrigation farming
B. Plantation agriculture and forestry
C. Marine fishing
D. Desert grazing

Correct Answer: B. Plantation agriculture and forestry

Explanation:
Plateau regions support forestry, shifting cultivation, and limited plantation agriculture.

Sub-Topic IV: Valleys of Assam

Q16. Which is the largest valley of Assam?

A. Kopili Valley
B. Dhansiri Valley
C. Brahmaputra Valley
D. Barak Valley

Correct Answer: C. Brahmaputra Valley

Explanation:
The Brahmaputra Valley is the largest and most important valley of Assam.

Q17. The Barak Valley lies in which part of Assam?

A. Northern
B. Central
C. Southern
D. Eastern

Correct Answer: C. Southern

Explanation:
The Barak Valley is located in southern Assam, drained by the Barak River.

Q18. Which districts form the Barak Valley region?

A. Cachar, Karimganj, Hailakandi
B. Dibrugarh, Tinsukia, Sivasagar
C. Sonitpur, Biswanath, Lakhimpur
D. Nalbari, Barpeta, Goalpara

Correct Answer: A. Cachar, Karimganj, Hailakandi

Explanation:
The Barak Valley comprises Cachar, Karimganj, and Hailakandi districts.

Q19. Valleys of Assam are mainly formed due to:

A. Volcanic activity
B. River deposition
C. Wind erosion
D. Glacial erosion

Correct Answer: B. River deposition

Explanation:
Assam’s valleys are alluvial plains formed by river deposition, especially by the Brahmaputra and Barak.

Q20. Which crop is most widely cultivated in Assam’s valleys?

A. Wheat
B. Maize
C. Rice
D. Millet

Correct Answer: C. Rice

Explanation:
The fertile alluvial soil and abundant water make the valleys ideal for wet rice cultivation.

Sub-Topic V: Comparative & Analytical Questions

Q21. Which physiographic region of Assam has the lowest population density?

A. Brahmaputra Valley
B. Barak Valley
C. Hill and plateau regions
D. Riverine islands

Correct Answer: C. Hill and plateau regions

Explanation:
Difficult terrain and limited infrastructure result in lower population density in hills and plateaus.

Q22. Hills of Assam are important for:

A. Intensive agriculture
B. Biodiversity conservation
C. Industrial hubs
D. Port development

Correct Answer: B. Biodiversity conservation

Explanation:
Hilly regions host dense forests and wildlife, making them ecologically significant.

Q23. Valleys are more flood-prone because:

A. They are elevated
B. They receive less rainfall
C. Rivers overflow during monsoon
D. Soil is rocky

Correct Answer: C. Rivers overflow during monsoon

Explanation:
Monsoon rains cause rivers to overflow, leading to frequent floods in valley regions.

Q24. Plateaus act as important sources of:

A. Marine resources
B. River tributaries
C. Coastal plains
D. Deserts

Correct Answer: B. River tributaries

Explanation:
Many south bank tributaries of the Brahmaputra originate from plateau regions.

Q25. Which physical division plays the greatest role in Assam’s economy?

A. Hills
B. Plateaus
C. Valleys
D. Escarpments

Correct Answer: C. Valleys

Explanation:
Valleys support agriculture, transport, settlements, and trade, forming Assam’s economic backbone.

Sub-Topic VI: Exam-Oriented Conceptual Questions

Q26. Balanced development of hills and valleys is important to:

A. Reduce agriculture
B. Control migration
C. Ensure regional equity
D. Stop rainfall

Correct Answer: C. Ensure regional equity

Explanation:
Balanced development reduces regional disparities between plains and hill areas.

Q27. Which physical feature limits large-scale urbanisation in hills?

A. Fertile soil
B. Flat land
C. Rugged terrain
D. River navigation

Correct Answer: C. Rugged terrain

Explanation:
Steep slopes and unstable terrain restrict urban and infrastructural expansion.

Q28. Valleys of Assam are ideal for transport because:

A. They are forested
B. Rivers act as natural routes
C. They are mountainous
D. They have deserts

Correct Answer: B. Rivers act as natural routes

Explanation:
Rivers in valleys serve as natural transport corridors.

Q29. Which factor most clearly distinguishes hills from plateaus in Assam?

A. Climate
B. Vegetation
C. Slope and surface form
D. Rainfall

Correct Answer: C. Slope and surface form

Explanation:
Steep slopes vs relatively flat surfaces distinguish hills from plateaus.

Q30. Why are hills, plateaus, and valleys frequently asked in Assam GK exams?

A. They are outdated topics
B. They link maps, geography, and economy
C. They are only descriptive
D. They are rarely relevant

Correct Answer: B. They link maps, geography, and economy

Explanation:
These features connect physical geography with agriculture, settlement, environment, and development, making them high-value exam topics.

• Assam Hills and Plateaus MCQs

• Valleys of Assam GK Questions

• Assam Physical Features MCQs

• Assam Physiography MCQs for APSC

• Karbi Plateau and Barak Valley MCQs

• Assam Geography Hills Valleys Questions

• Physical Geography of Assam MCQs

🔹 Importance of Hills, Plateaus & Valleys MCQs for Assam Exams

This structured set of Hills, Plateaus & Valleys of Assam MCQs helps aspirants clearly understand the physiographic divisions of Assam, including hill districts, plateau regions, and major valleys such as the Brahmaputra and Barak Valleys. These topics form the backbone of Assam physical geography and are frequently tested in objective examinations.

Prepared strictly as per the Assam-specific General Knowledge syllabus, these MCQs are highly relevant for APSC, UPSC, Assam Police, TET, Forest, Banking, Grade III & IV, CEE, and all SEBA, AHSEC, ASSEB, CBSE, college, and university-level examinations across Assam. Regular practice strengthens map-based understanding, analytical skills, and exam confidence.

🔹 FAQ Section

FAQ 1: Are these Hills, Plateaus & Valleys MCQs useful for APSC exams?

Yes. These MCQs are fully aligned with the APSC Assam General Knowledge syllabus and cover high-frequency physical geography topics.

FAQ 2: Do these questions cover all major hills and valleys of Assam?

Yes. The MCQs cover Karbi Anglong, Dima Hasao, Patkai Hills, Brahmaputra Valley, Barak Valley, and related physiographic features.

FAQ 3: Are these MCQs suitable for Assam school board examinations?

Absolutely. They are equally useful for SEBA, AHSEC, ASSEB, CBSE, and CEE, along with college and university exams across Assam.

FAQ 4: Are explanations included for conceptual clarity?

Yes. Each MCQ includes a simple, concept-clearing explanation, ideal for beginners as well as advanced aspirants.

FAQ 5: How should students revise hills and valleys topics effectively?

Students should combine these MCQs with Assam physical maps, river systems, and climate-related topics, especially during prelims revision.