A physical feature on the surface of Earth

A human-made structure like a dam

A flat-topped elevated landform with steep sides

A flat low-lying plain near rivers

A type of valley between mountains

Large, flat, or gently rolling areas at lower altitudes

High elevated areas like plateaus

What is a river delta?

A triangular area of sediment deposited at a river's mouth as it enters the sea or lake

A fast-flowing section of a river

The source of a river in mountains

A large, slow-moving mass of ice that forms in cold mountain regions

A piece of land completely surrounded by water

A mountain surrounded by plains

An area of land below sea level

How do mountains affect the climate of surrounding regions?

Mountains block monsoon winds, forcing them to rise and cool, causing heavy rainfall on the windward side and creating rain shadows on the leeward side

Mountains always make nearby areas warm

Mountains have no effect on climate

Mountains only affect the temperature, not rainfall

Why are plains the most densely populated landforms?

Because flat land is easy to farm, build on, and transport goods across – making plains ideal for settlements and economic activity

Because plains have better weather than other landforms

Because mountains are too cold for human life

Because plains have more water than other landforms

Why are mountain areas typically less densely populated than plains?

Because steep slopes are difficult to farm and build on, access is harder, and the climate is often cold, making large-scale settlements challenging

Because mountains have no water

Because people dislike mountains

Because governments prevent people from settling in mountains

A low area between hills or mountains, often with a river flowing through it

How do rivers originating from mountains benefit plains?

Mountain rivers carry nutrient-rich silt that makes plains fertile for agriculture; they also provide irrigation water

Rivers only benefit the mountains where they originate

Plains do not benefit from mountain rivers

Rivers carry only rocks and sand, with no benefits for plains

What is the significance of the Deccan Plateau in India?

It is a large plateau in peninsular India that is rich in minerals and has supported diverse civilisations throughout history

The Deccan Plateau is not significant for India

The Deccan Plateau is India's most fertile agricultural land

The Deccan Plateau covers the northern part of India

How do plateaus differ from plains in terms of their formation and elevation?

Plateaus are elevated (higher than surrounding areas) with flat tops and steep sides, often formed by volcanic activity or erosion; plains are flat at lower elevations formed by sediment deposition

Plateaus and plains are the same landform at different elevations

Plains are always more elevated than plateaus

Why do some mountains have permanent snow?

At very high altitudes, temperatures are always below freezing even in summer, so snow accumulates faster than it melts, forming permanent snowcaps

All mountains have permanent snow

Snow on mountains is artificial

Permanent snow only occurs in Antarctica

Why are river deltas important for human settlements?

Deltas have extremely fertile soil from river sediment, flat land for farming, and access to both river and sea – making them among the most agriculturally productive and densely settled areas on Earth

Deltas are prone to flooding and are uninhabitable

Deltas are only important for fishing communities

Deltas are always located in dry regions

What is the difference between a mountain range and an isolated mountain?

A mountain range is a group of connected mountains stretching over a large area; an isolated mountain stands alone surrounded by lower terrain

Mountain ranges are always larger than isolated mountains

Isolated mountains are more dangerous than mountain ranges

There is no significant difference

How do the Himalayas influence India's climate, rivers, and culture?

The Himalayas block cold Central Asian winds, trigger monsoon rainfall, feed India's major rivers (Ganga, Brahmaputra), provide resources, and have been a source of cultural and spiritual inspiration throughout India's history

The Himalayas only affect northern India's temperature

The Himalayas block only rainfall from reaching India

India's rivers originate from rain, not Himalayan glaciers

Compare how plains and plateaus support different types of economic activities.

Plains support large-scale agriculture and dense urban centres; plateaus with mineral wealth support mining and industries; both support different but important economic activities

Plains and plateaus support identical economic activities

Plateaus are more economically important than plains

Economic activity is not related to landforms

How does the formation of a river delta show the interaction between water, land, and gravity over time?

Rivers carry sediment eroded from mountains; as the river slows near the sea, gravity is no longer sufficient to carry the sediment, which settles and accumulates over thousands of years, forming the delta

Deltas form because of volcanic activity

Deltas are formed in a few years

Gravity has no role in delta formation

Why does the chapter quote the Atharva Veda's 'Hymn to the Earth' at the beginning?

To show that ancient Indians recognised and celebrated the diversity of Earth's landforms and their importance for life, connecting scientific knowledge with cultural reverence for nature

The chapter begins with a religious text to show India's spirituality

Ancient texts are always included in geography chapters

How do coastal plains differ from interior plains in terms of their characteristics and uses?

Coastal plains are adjacent to oceans and benefit from maritime trade, fishing, and milder climate; interior plains depend on rivers for agriculture and have greater temperature extremes; both are densely settled but for different reasons

Coastal and interior plains are identical

Interior plains are always better for farming

Coastal plains have no agricultural use

Why might deforestation in mountain areas lead to flooding in plains downstream?

Mountain forests absorb rainfall and hold soil in place; their removal causes water to rush straight to rivers (flooding), carrying eroded soil (siltation), reducing the river's capacity to hold water further downstream

Deforestation improves water flow to plains

Mountain deforestation has no effect on plains flooding

Forests in mountains are separate from plains' water systems

How do landforms influence the types of settlements (villages, towns, cities) that develop?

Flat, fertile plains attract large cities and dense settlements; mountains and highlands have smaller, more scattered settlements due to difficulty of farming and construction; coasts attract trading ports

Landforms have no influence on settlement patterns

Mountains always attract more settlers than plains

Settlement patterns depend only on climate, not landforms

How does the formation of glaciers in mountains affect river systems in plains?

Glaciers act as frozen water reservoirs, releasing meltwater throughout the year, especially in summer – providing reliable water to rivers and irrigation in plains even during dry seasons

Glaciers harm river systems by blocking water

Glaciers only affect mountainous regions

River water in plains does not come from glaciers

Which of the following are characteristics of mountains?

Much higher than surrounding landscape

Broad base and steep slopes with narrow summit

Often covered with snow at high altitude

Which of the following are ways landforms affect human activities?

Plains encourage agriculture and dense settlement

Mountains provide resources like timber, minerals, and water

Coastal areas facilitate trade, fishing, and tourism

Landforms have no effect on human activities

Which of the following correctly identify Indian landforms?

The Himalayas are a major mountain range in North India

The Deccan Plateau covers much of peninsular India

The Gangetic Plain is one of the world's most fertile plains

How might climate change affect mountain landforms and the populations that depend on them?

Rising temperatures melt glaciers and permafrost, destabilising mountain slopes (landslides), reducing freshwater supply for downstream populations, and changing the ecology of mountain regions

Climate change does not affect mountain landforms

Mountain populations are immune to climate change effects

Only coastal areas are affected by climate change

How does India's diverse range of landforms from the Himalayas to coastal plains reflect its cultural and economic diversity?

Each major landform region supports different economic activities, crops, cultural traditions, and lifestyles – the Himalayan communities, Gangetic farmers, Deccan plateau miners, and coastal traders each have distinct cultural identities shaped by their geography

India's cultural diversity is unrelated to its landforms

Only the Himalayas have influenced Indian culture

India's economy is uniform across all landform regions

Why should the study of landforms be integrated with the study of economics, culture, and environment?

Because landforms are not isolated geographical features – they fundamentally shape economic activities, cultural practices, human settlements, and environmental conditions, creating an interconnected system

Landforms should only be studied in geography, not integrated with other subjects

Economics and culture are independent of physical geography

Landform studies are only relevant for engineers

How does soil erosion in plains affect long-term agricultural productivity?

Topsoil, the most fertile layer rich in organic matter, is lost to erosion; this permanently reduces soil fertility, decreasing crop yields over time, threatening food security

Soil erosion is a short-term problem that corrects itself

Erosion deposits new fertile soil to replace what is lost

How does the presence of rich mineral deposits in plateau regions create both opportunities and challenges?

Opportunities: mineral exports, industrial development, employment; Challenges: environmental destruction from mining, displacement of indigenous communities, and boom-bust economic cycles dependent on mineral prices

Minerals in plateaus only create economic opportunities

Mineral deposits are only found in plains

Mining has no environmental impact on plateau regions

Which of the following show that India's geography provides both advantages and challenges?

Fertile Gangetic plains support large agricultural populations

The Himalayas provide water but also block trade routes to Central Asia

Coastal geography supports maritime trade but also increases vulnerability to cyclones

India's geography creates no special challenges

Which of the following are ways mountains are economically important?

Tourism – mountainous landscapes attract visitors

Water resources – glaciers feed rivers used for irrigation

Biodiversity – unique species found in mountain ecosystems

Mining – mineral deposits in mountain regions

Which of the following show the interconnection between landforms, climate, and human activity?

Plains near rivers attract agriculture due to fertile soil and water availability

Mountain regions develop tourism and hydroelectricity due to elevation and water

Coastal plains develop trade and fishing due to sea access

Landforms, climate, and human activity are independent of each other

Which of the following show environmental threats to landforms?

Deforestation causing soil erosion on hills and mountains

Mining damaging plateau ecosystems

Coastal development destroying natural coastal landforms

Natural landforms maintain themselves without any protection

Which of the following correctly describe major Indian plateaus?

The Deccan Plateau is one of the world's oldest landforms

The Chotanagpur Plateau is rich in minerals

The Shillong Plateau is in Northeast India

India has no significant plateau regions

NCERT Solutions Class 6 Social Science Chapter 3 – Landforms and Life

Name: Landforms and Life – Class 6 Social Science
Uploaded: 2026-07-23T07:39:42+00:00
Description: This chapter explores Earth's major landforms — mountains, plateaus, and plains — and how they shape climate, life, and human activities. It highlights natural features, cultural values, and the adaptability of people across diverse landscapes.

Class 6 Social Science

Last Updated: 23 July 2026

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Chapter Introduction

This chapter explores Earth's major landforms — mountains, plateaus, and plains — and how they shape climate, life, and human activities. It highlights natural features, cultural values, and the adaptability of people across diverse landscapes.

हिंदी में (Hindi)

यह अध्याय पृथ्वी के प्रमुख भू-आकारों — पहाड़, पठार और मैदान — को समझाता है, और यह बताता है कि ये भू-आकार जलवायु, जीवन और मानवीय गतिविधियों को कैसे प्रभावित करते हैं। यह प्राकृतिक विशेषताओं, सांस्कृतिक मूल्यों और विभिन्न भू-भागों में लोगों की अनुकूलता को भी उजागर करता है।

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Practice MCQ Questions (41 questions)

Q1. What is a landform?

Q2. What are the three major categories of landforms?

Q3. What distinguishes mountains from hills?

Q4. What is a plateau?

Q5. What are plains?

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Tough Words (Glossary)

Burden

Meaning: A heavy load or responsibility

अर्थ: बोझ / भार

"He felt the burden of responsibilities."

Endowed

Meaning: Provided with a quality, ability, or asset

अर्थ: प्रदत्त / संपन्न

"She is endowed with great intelligence."

Varied

Meaning: Different; diverse

अर्थ: विविध

"The forest has a varied range of plants."

Riches

Meaning: Valuable possessions or wealth

अर्थ: धन / समृद्धि

"The land is full of natural riches."

Landscape

Meaning: All the visible features of an area of land

अर्थ: परिदृश्य

"The mountain landscape was breathtaking."

Encounter

Meaning: Unexpectedly experience or meet

अर्थ: सामना करना

"They encountered a wild animal in the forest."

Landform

Meaning: A natural feature of the Earth's surface

अर्थ: भू-आकृति

"Mountains and plains are landforms."

Adapted

Meaning: Adjusted to new conditions

अर्थ: अनुकूलित

"Humans have adapted to various climates."

Summit

Meaning: The highest point of a hill or mountain

अर्थ: शिखर

"He reached the summit of Mount Everest."

Altitude

Meaning: The height of an object above sea level

अर्थ: ऊँचाई

"The plane flew at a high altitude."

Snowcapped

Meaning: Covered with snow on the top

अर्थ: हिमाच्छादित

"The snowcapped mountains looked beautiful."

Erosion

Meaning: The process of wearing away of land

अर्थ: कटाव

"The river caused soil erosion."

Upliftment

Meaning: Rising of land due to natural forces

अर्थ: उठाव

"The Himalayas were formed due to upliftment."

Montane

Meaning: Relating to mountain regions

अर्थ: पर्वतीय

"Montane forests have conifer trees."

Conifer

Meaning: A type of tree with cones and needle-shaped leaves

अर्थ: शंकुधारी वृक्ष

"Pine is a conifer tree."

Mosses

Meaning: Small green plants growing in damp areas

अर्थ: काई

"Mosses grew on the rocks."

Lichen

Meaning: Plant formed by algae and fungus living together

अर्थ: शैवाल कवक संयोजन

"Lichens grow on tree trunks."

Falcon

Meaning: A bird of prey

अर्थ: बाज़

"The falcon soared high in the sky."

Leopard

Meaning: A large wild cat with spotted fur

अर्थ: तेंदुआ

"A leopard was seen near the village."

Ibex

Meaning: A wild goat with large curved horns

अर्थ: जंगली बकरा

"The ibex climbed the steep rocks."

Invocation

Meaning: The act of calling upon a deity or spirit

अर्थ: आह्वान

"The priest began with an invocation."

Tributary

Meaning: A river that flows into a larger river

अर्थ: उप-नदी

"The Yamuna is a tributary of the Ganga."

Rugged

Meaning: Rough and uneven surface

अर्थ: पथरीला

"The rugged terrain made travel difficult."

Terrace farming

Meaning: Farming on stepped slopes

अर्थ: सीढ़ीदार खेती

"Terrace farming is common in hilly areas."

Occupation

Meaning: A person’s usual work or job

अर्थ: पेशा

"Farming is his main occupation."

Pilgrimage

Meaning: A journey to a holy place

अर्थ: तीर्थयात्रा

"They went on a pilgrimage to Kedarnath."

Fragile

Meaning: Easily broken or damaged

अर्थ: नाजुक

"The fragile mountain ecosystem must be protected."

Expedition

Meaning: A journey for a particular purpose

अर्थ: अभियान

"She joined a scientific expedition."

Sacred

Meaning: Holy; connected with God

अर्थ: पवित्र

"The river is sacred for many communities."

Plateau

Meaning: Flat elevated landform

अर्थ: पठार

"The Deccan Plateau is in India."

Storehouse

Meaning: A place where large quantities are kept

अर्थ: भंडार

"The plateau is a storehouse of minerals."

Mining

Meaning: Process of extracting minerals

अर्थ: खनन

"Coal mining is common in Jharkhand."

Fertile

Meaning: Capable of producing crops

अर्थ: उपजाऊ

"The soil near rivers is very fertile."

Lava

Meaning: Hot liquid rock from a volcano

अर्थ: लावा

"The volcano erupted with lava."

Spectacular

Meaning: Impressive and eye-catching

अर्थ: शानदार

"The waterfall was a spectacular sight."

Undulating

Meaning: Wavy or gently rising and falling surface

अर्थ: लहरदार

"The undulating plain stretched far."

Sediment

Meaning: Material deposited by water or wind

अर्थ: गाद / अवसाद

"The river carried sediment to the plains."

Irrigation

Meaning: Supplying water to land for crops

अर्थ: सिंचाई

"Irrigation increased crop production."

Depletion

Meaning: Reduction or exhaustion of resources

अर्थ: क्षय / कमी

"Groundwater depletion is a concern."

Confluence

Meaning: Meeting point of two rivers

अर्थ: संगम

"Prayagraj is famous for the confluence of Ganga and Yamuna."

Navigation

Meaning: The process of planning and controlling movement

अर्थ: नौवहन

"River navigation was common in ancient times."

Desert

Meaning: A dry, barren area of land

अर्थ: रेगिस्तान

"The Sahara is the largest desert."

Precipitation

Meaning: Rain, snow, sleet or hail that falls to the ground

अर्थ: वर्षा

"The desert receives very little precipitation."

Resilience

Meaning: The ability to recover quickly

अर्थ: लचीलापन

"Humans have great resilience to adapt."

Testimony

Meaning: Evidence or proof

अर्थ: साक्ष्य

"His success is a testimony to hard work."

Celebrated

Meaning: Famous and admired

अर्थ: प्रसिद्ध / पूजनीय

"Kalidasa is a celebrated poet."

Reverence

Meaning: Deep respect

अर्थ: श्रद्धा

"They showed reverence to the holy mountain."

Ecosystem

Meaning: A community of living organisms and their environment

अर्थ: पारिस्थितिकी तंत्र

"Forests are home to a complex ecosystem."

Fauna

Meaning: Animals of a particular region

अर्थ: प्राणि जगत

"The fauna of the desert is unique."

Flora

Meaning: Plants of a particular region

अर्थ: वनस्पति जगत

"The flora of the Himalayas is diverse."

Cultural

Meaning: Related to traditions and customs

अर्थ: सांस्कृतिक

"The festival is of great cultural importance."

Fragile environment

Meaning: An environment easily harmed

अर्थ: नाजुक पर्यावरण

"Tourism can harm the fragile environment."

Majestic

Meaning: Impressively beautiful

अर्थ: भव्य / शानदार

"The Himalayas are majestic mountains."

Pilgrim

Meaning: A person who travels for religious reasons

अर्थ: तीर्थयात्री

"The pilgrim visited many holy shrines."

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Ch 2: Oceans and Continents

Ch 4: Timeline and Sources of History

NCERT Solutions Class 6 Social Science Chapter 3 – Landforms and Life

Chapter Introduction

Watch Video Lecture

Important Points

Practice MCQ Questions (41 questions)

Q1. What is a landform?

Q2. What are the three major categories of landforms?

Q3. What distinguishes mountains from hills?

Q4. What is a plateau?

Q5. What are plains?

Q6. What is a river delta?

Q7. Which landform is best for agriculture?

Q8. What is a glacier?

Q9. What is an island?

Q10. Which mountain range is described in the chapter as dividing India from China and Nepal?

Q11. How do mountains affect the climate of surrounding regions?

Q12. Why are plains the most densely populated landforms?

Q13. Why are mountain areas typically less densely populated than plains?

Q14. What is a valley?

Q15. How do rivers originating from mountains benefit plains?

Q16. What is the significance of the Deccan Plateau in India?

Q17. How do plateaus differ from plains in terms of their formation and elevation?

Q18. Why do some mountains have permanent snow?

Q19. Why are river deltas important for human settlements?

Q20. What is the difference between a mountain range and an isolated mountain?

Q21. How do the Himalayas influence India's climate, rivers, and culture?

Q22. Compare how plains and plateaus support different types of economic activities.

Q23. How does the formation of a river delta show the interaction between water, land, and gravity over time?

Q24. Why does the chapter quote the Atharva Veda's 'Hymn to the Earth' at the beginning?

Q25. How do coastal plains differ from interior plains in terms of their characteristics and uses?

Q26. Why might deforestation in mountain areas lead to flooding in plains downstream?

Q27. How do landforms influence the types of settlements (villages, towns, cities) that develop?

Q28. How does the formation of glaciers in mountains affect river systems in plains?

Q29. Which of the following are characteristics of mountains?

Q30. Which of the following are ways landforms affect human activities?

Q31. Which of the following correctly identify Indian landforms?

Q32. How might climate change affect mountain landforms and the populations that depend on them?

Q33. How does India's diverse range of landforms from the Himalayas to coastal plains reflect its cultural and economic diversity?

Q34. Why should the study of landforms be integrated with the study of economics, culture, and environment?

Q35. How does soil erosion in plains affect long-term agricultural productivity?

Q36. How does the presence of rich mineral deposits in plateau regions create both opportunities and challenges?

Q37. Which of the following show that India's geography provides both advantages and challenges?

Q38. Which of the following are ways mountains are economically important?

Q39. Which of the following show the interconnection between landforms, climate, and human activity?

Q40. Which of the following show environmental threats to landforms?

Q41. Which of the following correctly describe major Indian plateaus?