NCERT Solutions for Class 7 Social Science (Exploring Society) Chapter 1: Geographical Diversity of India (NCERT 2026–27)

These Class 7 Social Science Exploring Society Chapter 1 solutions cover Geographical Diversity of India from Exploring Society: India and Beyond (Part 1), the new NCF-2023 textbook for the 2026–27 session. The chapter belongs to the theme India and the World: Land and the People and takes us on a bird’s-eye journey across India’s five major physical zones — the great mountain wall of the Himalayas, the fertile Gangetic Plains, the arid Thar Desert and Aravalli Hills, the ancient Peninsular Plateau with its Western and Eastern Ghats, and India’s long coastlines and islands. Below you get step-by-step answers to every question in the “Questions and activities” exercise, clear notes on key terms, extra practice, MCQs, Assertion–Reason and FAQs.

Class: 7 Subject: Social Science Book: Exploring Society: India and Beyond (Part 1) Chapter: 1 Theme: India and the World: Land and the People Session: 2026–27
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Class 7 Social Science Exploring Society Chapter 1 – Overview

Chapter 1, Geographical Diversity of India, explains that India is the seventh-largest country in the world and the heart of the Indian Subcontinent (along with Pakistan, Bangladesh, Nepal, Bhutan, Sri Lanka and Myanmar). For study, India’s land is divided into five regions: the great mountain zone, the plains of the Ganga and the Indus, the desert region, the southern peninsula, and the islands. The chapter ‘flies’ over each of these. The Himalayas — the ‘abode of snow’ — form a natural barrier in the north, feed great rivers and are called the ‘Water Tower of Asia’; Ladakh is shown as a striking cold desert. The fertile Gangetic Plains support a huge population and intensive farming. The hot Thar Desert and the ancient Aravalli Hills show life adapting to harsh conditions. The triangular Peninsular Plateau, bordered by the Western and Eastern Ghats, is rich in minerals and forests. India’s 7,500-km coastline, the Lakshadweep and Andaman & Nicobar islands, the Sundarbans delta and the rain-soaked hills of the Northeast complete this picture of a land so varied it is often called a ‘mini-continent’.

Key Concepts & Terms

Indian Subcontinent: the region formed by India together with its neighbours — Pakistan, Bangladesh, Nepal, Bhutan, Sri Lanka and Myanmar. It is called a subcontinent because it is a large, distinct part of the continent of Asia.

Himalayas: the world’s highest mountain range in the north; the name combines the Sanskrit words hima (‘snow’) and ālaya (‘abode’), so it means ‘abode of snow’. It has three parallel ranges — the Himadri (Greater Himalayas), the Himachal (Lower Himalayas) and the Shivalik Hills (Outer Himalayas).

Water Tower of Asia: a name for the Himalayas, because melting snow feeds great rivers like the Ganga, Indus and Brahmaputra, supplying water to hundreds of millions of people.

Cold desert: a desert that is dry but very cold rather than hot — in India, Ladakh, where winter temperatures fall below −30°C; its moon-like terrain is called ‘moonland’.

Gangetic Plains (Northern Plains): vast, flat, fertile plains formed by the Ganga, Indus and Brahmaputra river systems; their rich soil and easy transport support a large share of India’s population.

Thar Desert (Great Indian Desert): a vast hot, arid region spanning Rajasthan, Gujarat, Punjab and Haryana, with golden sand dunes that can rise up to 150 metres; people use clever water-saving methods like taanka and kunds.

Aravalli Hills: among the oldest mountains in the world (about 2.5 billion years old); they act as a natural barrier that stops the Thar Desert from spreading eastward and are rich in minerals like marble, granite, zinc and copper.

Peninsula & Peninsular Plateau: a peninsula is land surrounded by water on three sides; India’s triangular southern plateau is bordered by the Arabian Sea, the Bay of Bengal and the Indian Ocean, so it is called a peninsular plateau. It is flanked by the Western Ghats and Eastern Ghats, with the Deccan Plateau in between.

Delta & lagoon: a delta is a triangular landform built up where a river deposits sediment as it meets a larger water body; a lagoon (like Pulicat Lake) is a body of water separated from the sea by a natural barrier.

Archipelago: a group of islands; India has two main island groups — the coral Lakshadweep islands in the Arabian Sea and the volcanic Andaman and Nicobar islands in the Bay of Bengal (home to India’s only active volcano, Barren Island).

Sundarbans: the mangrove delta of the Ganga and Brahmaputra, shared by India and Bangladesh, a UNESCO Heritage site and home of the Royal Bengal Tiger.

“Questions and activities” — Full Solutions

All questions below are reproduced verbatim from the NCERT textbook’s end-of-chapter Questions and activities section. Answers are original, written in exam-ready style. Map- and activity-based questions are answered in words from the chapter, since no textbook images are reproduced here.

1. What, in your opinion, are two important geographical features of India? Why do you think they are important?

ANSWER In my opinion, two of the most important geographical features of India are the Himalayas and the Gangetic Plains. The Himalayas are important because they stand like a massive natural wall in the north, protecting the country and influencing its climate by blocking cold winds and the monsoon clouds. Their melting snow feeds the great rivers — the Ganga, Indus and Brahmaputra — which is why they are called the ‘Water Tower of Asia’. They are also sacred to many cultures. The Gangetic Plains are important because their flat, fertile, river-enriched soil makes them ideal for agriculture, allowing a very large population to live and farm there. The flat land also allows roads and railways to develop, helping the movement of people and goods. (Other features such as the peninsular plateau, the coastline or the Thar Desert may also be chosen, with reasons.)

2. What do you think India might have looked like if the Himalayas did not exist? Write a short note or sketch a drawing to express your imagination.

ANSWER This is an imaginative activity, so answers may vary. A model note: if the Himalayas did not exist, India would have been a very different land. Without the natural wall in the north, cold winds from Central Asia could sweep into the plains, making northern India much colder in winter. The monsoon clouds would no longer be stopped by the mountains, so the rainfall pattern would change and the northern plains might receive far less rain. The mighty snow-fed rivers like the Ganga and Brahmaputra might not exist or might dry up in summer, so the plains might not be so green and fertile, and far fewer people could live there. India would also have been less protected, and its climate, culture and history would have been shaped very differently. (You may also draw your imagined map.)

3. India has been called a ‘mini-continent’. Based on what you’ve read, why do you think this is so?

ANSWER India is called a ‘mini-continent’ because, within one country, it has almost every kind of landform and climate that a whole continent might have. It has the towering, snow-covered Himalayas in the north, the dry, hot Thar Desert in the west, a cold desert in Ladakh, vast fertile plains watered by great rivers, an ancient peninsular plateau rich in minerals and forests, long coastlines on the east and west, tropical islands with coral reefs and volcanoes, and the rain-soaked green hills of the Northeast. This huge variety of mountains, deserts, plains, plateaus, coasts and islands — together with many climates, plants, animals, languages and cultures — makes India almost like a small continent in itself.

4. Follow one of India’s big rivers from where it starts to where it meets the ocean. What are the different ways in which people might utilise this river along its journey? Discuss in groups in your class.

ANSWER This is a group activity; here is a model answer following the River Ganga. The Ganga begins from the Gangotri Glacier, near Gaumukh (‘Cow’s Mouth’) in the Himalayas in Uttarakhand, and travels across the Northern Plains before joining the sea at the Bay of Bengal through the Sundarbans delta. Along its journey, people use the river in many ways: in the mountains, the glacier and source are visited by pilgrims and trekkers, and fast-flowing water is used to generate hydroelectricity. In the plains, its water is used for drinking, farming (irrigation) and industry, and the river enriches the soil with minerals, making the land very fertile. The river is also used for transport, fishing and trade, and is considered sacred, attracting worshippers and festivals along its banks. Near the coast, its delta supports rich farming and the mangrove forests of the Sundarbans.

5. Why is the southern part of India referred to as a peninsular plateau?

ANSWER A peninsula is a piece of land surrounded by water on three sides, and a plateau is a landform that rises above the surrounding land with a more or less flat top. The southern part of India is a triangular landmass surrounded by water on three sides — the Arabian Sea on the west, the Bay of Bengal on the east and the Indian Ocean to the south. At the same time, it is a very old, raised, flat highland (the Deccan Plateau) bordered by the Western and Eastern Ghats. Because it has the features of both a peninsula and a plateau, the southern part of India is called a peninsular plateau.

6. Which UNESCO Heritage Site mentioned in this chapter did you find more interesting? Write a short paragraph to describe what about it is interesting.

ANSWER This is a personal-choice question; answers may vary. The chapter mentions several UNESCO World Heritage Sites, including the Great Himalayan National Park, the Western Ghats, the Jaisalmer Fort and the Sundarbans. A model paragraph: I found the Sundarbans the most interesting. It is a unique mangrove forest located in the delta of the Ganga and Brahmaputra rivers, shared between India and Bangladesh. What makes it fascinating is its special mix of river, sea and land, and the fact that it is home to the famous Royal Bengal Tiger along with many other species. It shows how plants and animals adapt to live in salty, watery, ever-changing land. (You may instead choose the Western Ghats, Jaisalmer Fort or the Great Himalayan National Park, with your own reasons.)

7. Look at the two maps of India, physical as well as political, given at the end of this book. Identify the place you are at now. Which physical feature of India would you use to describe its location?

ANSWER This is a map activity, so each student’s answer will depend on where they live. On the political map, first find your own state and town; on the physical map, see which colour (altitude) and region that place falls in. Then describe your location using the nearest physical feature. For example: “I live in the Gangetic Plains, on the flat fertile land watered by the Ganga,” or “My town is in the Peninsular Plateau near the Western Ghats,” or “I live in the Thar Desert region of Rajasthan,” or “in the Himalayan hills.” (Use the physical feature closest to your actual location.)

This answer depends on the physical and political maps at the end of the textbook; fill in your own state, town and region.

8. Food preservation techniques differ from place to place across India. They are adapted to local conditions. Do a class project. Gather different methods of preserving food. Hint: Drying vegetables when they are in season for use during the off-season.

ANSWER This is a class project; here are common Indian food-preservation methods you could gather and present, showing how each suits the local geography and climate: Sun-drying / dehydration: drying vegetables, chillies, fruits (like mango for aam papad) and fish in the hot sun when they are in season, to use later — common in dry, sunny regions such as Rajasthan. Pickling: preserving mangoes, lemons and other vegetables in oil, salt and spices (achaar) so they last for months — popular all over India. Salting and smoking: preserving fish and meat with salt or by smoking, common in coastal and northeastern regions. Fermentation: making curd, idli/dosa batter, and pickles by natural fermentation. Cold storage: in cold areas like Ladakh, vegetables are simply stored in the cold. (Collect more examples from your own region for the project.)

9. Despite having such different regions (mountains, deserts, plains, coasts), India remains one country. How do you think our geography has helped unite people?

ANSWER Even though India has very different regions, its geography has actually helped to connect and unite its people in several ways. The mighty rivers like the Ganga, Brahmaputra and others have been used for thousands of years for travel, trade and the movement of people, linking distant regions together. The flat plains made it easy to build roads and railways that join the north, east and west. The surrounding mountains and seas form natural boundaries that have given India a distinct identity, separate from the rest of the continent, as Sri Aurobindo noted. Because of this geographical variety, people from different regions depend on and trade with one another — sharing food, resources and ideas. Over time, this exchange across mountains, deserts, plains and coasts wove together a shared culture and history, so that despite the diversity, India remains one country.

Extra Practice Questions

Short Answer Type Questions

Q1. What is the meaning of the word ‘Himalaya’?

ANSWERThe word ‘Himalaya’ comes from two Sanskrit words — hima, meaning ‘snow’, and ālaya, meaning ‘abode’ or ‘dwelling’. So ‘Himalaya’ means the ‘abode of snow’, which is fitting because its peaks remain snow-covered.

Q2. Why are the Himalayas called the ‘Water Tower of Asia’?

ANSWERIn summer, the snow on the Himalayas melts and feeds major rivers such as the Ganga, Indus and Brahmaputra. These rivers and their tributaries provide water for drinking, farming and industry to hundreds of millions of people, so the Himalayas are called the ‘Water Tower of Asia’.

Q3. What are the three main ranges of the Himalayas?

ANSWERThe Himalayas have three main ranges: the Himadri (Greater Himalayas), the highest and most rugged, with peaks like Mount Everest and Kanchenjunga; the Himachal (Lower Himalayas), with a milder climate and hill stations like Shimla and Darjeeling; and the Shivalik Hills (Outer Himalayas), the lowest, with rolling hills and dense forests.

Q4. How were the Himalayas formed?

ANSWERLong ago, India was part of a larger landmass called Gondwana. It broke away and slowly moved north, and about 50 million years ago it collided with the landmass of Eurasia. As India pushed against Eurasia, the land between them crumpled and rose up — like a carpet wrinkling — forming the Himalayas. India is still pushing in, so the mountains are still rising slightly each year.

Q5. Why is Ladakh called a cold desert?

ANSWERLadakh is called a cold desert because, like a desert, it gets very little rainfall and has a rugged, rocky, sandy landscape — but instead of being hot, it is extremely cold, with winter temperatures dropping below −30°C. Its moon-like terrain is even called ‘moonland’.

Long Answer Type Questions

Q1. Describe the five major physical regions into which India is divided.

ANSWERFor the purpose of discussion, India is often divided into five major regions. 1. The great mountain zone — the Himalayas in the north, a high natural wall that feeds the great rivers. 2. The plains of the Ganga and the Indus — the vast, flat, fertile Northern (Gangetic) Plains where a large part of India’s population lives and farms. 3. The desert region — mainly the hot, sandy Thar Desert in the west, with the ancient Aravalli Hills nearby. 4. The southern peninsula — the triangular Peninsular Plateau, bordered by the Western and Eastern Ghats, rich in minerals and forests. 5. The islands — the Lakshadweep islands in the Arabian Sea and the Andaman and Nicobar islands in the Bay of Bengal. Together with India’s long coastlines and the green hills of the Northeast, these regions make India remarkably diverse.

Q2. Explain the importance of the Peninsular Plateau for India.

ANSWERThe Peninsular Plateau is a very old, triangular highland in the middle and south of India, surrounded by water on three sides and bordered by the Western Ghats (taller, like a wall along the west coast) and the lower, broken Eastern Ghats, with the Deccan Plateau in between. It is extremely important for India’s economy because it is rich in minerals, forests and fertile land. East-flowing rivers like the Godavari, Krishna and Mahanadi, and west-flowing rivers like the Narmada and Tapti, rise here, providing water for farming, industry and hydroelectric power, and forming fertile deltas on the east coast. The plateau also has many beautiful waterfalls that attract tourists and generate electricity, and its dense forests are home to tribal communities such as the Santhal, Gond, Baiga, Bhil and Korku, who have distinct languages and traditions.

Q3. Describe India’s coastlines and islands, and explain why they are important.

ANSWERIndia has a coastline over 7,500 km long, with beautiful beaches, rocky cliffs and green forests. The West Coast stretches from Gujarat to Kerala through Maharashtra, Goa and Karnataka; its short, swift rivers from the Western Ghats form estuaries, and it has many important ports and cities (like Mumbai, India’s financial centre). The East Coast lies between the Eastern Ghats and the Bay of Bengal, with wide plains and large fertile river deltas of the Mahanadi, Godavari, Krishna and Kaveri, and water bodies like Chilika and Pulicat lakes. India also has two island groups: the coral Lakshadweep islands in the Arabian Sea and the volcanic Andaman and Nicobar islands (including India’s only active volcano, Barren Island, and the historic Cellular Jail) in the Bay of Bengal. These coasts and islands are important for trade, ports, fishing, tourism, defence and unique wildlife, and they allow India to control a vast marine area.

MCQs & Assertion–Reason

1. India is the ____ largest country in the world.

(a) fourth    (b) fifth    (c) sixth    (d) seventh

2. The word ‘Himalaya’ means:

(a) abode of snow    (b) water tower    (c) high wall    (d) abode of gods

3. Which of these is India’s cold desert?

(a) Thar    (b) Ladakh    (c) Aravalli    (d) Deccan

4. The highest range of the Himalayas is the:

(a) Shivalik    (b) Himachal    (c) Himadri    (d) Aravalli

5. The Aravalli Hills act as a natural barrier that prevents the eastward spread of the:

(a) Gangetic Plains    (b) Thar Desert    (c) Deccan Plateau    (d) Western Ghats

6. A piece of land surrounded by water on three sides is called a:

(a) plateau    (b) delta    (c) peninsula    (d) lagoon

7. The Lakshadweep islands are located in the:

(a) Bay of Bengal    (b) Arabian Sea    (c) Indian Ocean    (d) Pacific Ocean

8. India’s only active volcano, Barren Island, is part of the:

(a) Lakshadweep islands    (b) Andaman and Nicobar islands    (c) Sundarbans    (d) Western Ghats

9. The Sundarbans mangrove delta is home to the:

(a) snow leopard    (b) lion-tailed macaque    (c) Royal Bengal Tiger    (d) Tibetan antelope

10. India’s coastline is approximately how long?

(a) 2,500 km    (b) 5,000 km    (c) 7,500 km    (d) 10,000 km

Answer key: 1-(d), 2-(a), 3-(b), 4-(c), 5-(b), 6-(c), 7-(b), 8-(b), 9-(c), 10-(c).

For each Assertion–Reason question, choose: (A) Both true and the Reason correctly explains the Assertion; (B) Both true but the Reason is not the correct explanation; (C) Assertion true, Reason false; (D) Assertion false, Reason true.

A-R 1. Assertion: The Himalayas are sometimes called the ‘Water Tower of Asia’.

Reason: Melting snow from the Himalayas feeds major rivers such as the Ganga, Indus and Brahmaputra.

A-R 2. Assertion: Ladakh is described as a cold desert.

Reason: Ladakh receives very heavy rainfall throughout the year.

A-R 3. Assertion: The southern part of India is called a peninsular plateau.

Reason: It is a raised, flat highland surrounded by water on three sides.

A-R 4. Assertion: A large proportion of India’s population lives in the Gangetic Plains.

Reason: The plains have fertile, river-enriched soil and easy transport, making them ideal for farming and settlement.

A-R 5. Assertion: The Aravallis are among the oldest mountains in the world.

Reason: The Aravallis were formed only about 50 million years ago when India collided with Eurasia.

Answer key: 1-(A), 2-(C), 3-(A), 4-(A), 5-(C).

Exam Tips & Common Mistakes

How to score full marks in this chapter

Memorise the five major physical regions (mountain zone, Ganga–Indus plains, desert, peninsula, islands) and be able to name a key feature of each. Learn the three ranges of the Himalayas (Himadri, Himachal, Shivalik) in order from highest to lowest, and remember the meaning of ‘Himalaya’ (hima + ālaya = abode of snow). Keep clear definitions of peninsula, plateau, delta, lagoon and archipelago ready, with one example each. For map activities, always name the nearest physical feature and the correct sea or river. Use the textbook’s own facts — India is the seventh-largest country, coastline over 7,500 km, Aravallis ~2.5 billion years old, Ladakh below −30°C — to show you have studied the chapter.

Common mistakes to avoid

  • Confusing the cold desert (Ladakh) with the hot Thar Desert — remember Ladakh is cold and rocky, the Thar is hot and sandy.
  • Mixing up the Himadri, Himachal and Shivalik ranges, or their order from north to south.
  • Thinking a peninsula and a plateau mean the same thing — one is about water on three sides, the other about a raised flat land.
  • Placing Lakshadweep in the Bay of Bengal — it is in the Arabian Sea; the Andaman & Nicobar islands are in the Bay of Bengal.
  • Calling the Aravallis young mountains — they are among the oldest in the world, unlike the much younger Himalayas.
  • Leaving map and activity questions (Q4, Q7, Q8) blank — write your own observations and examples.

Frequently Asked Questions

What is Chapter 1 of Class 7 Social Science Exploring Society about?

Chapter 1, Geographical Diversity of India, takes a bird’s-eye journey across India’s five major physical regions — the Himalayas, the Gangetic Plains, the Thar Desert and Aravalli Hills, the Peninsular Plateau with its Western and Eastern Ghats, and India’s coastlines and islands — and explains how this diversity has shaped the country’s climate, culture and history.

Why is India called a ‘mini-continent’?

India is called a ‘mini-continent’ because, within one country, it contains almost every kind of landform and climate a continent might have — snowy Himalayas, hot and cold deserts, fertile plains, an ancient plateau, long coastlines, tropical islands and rainy northeastern hills — along with great diversity of plants, animals, languages and cultures.

What is the exercise heading for Chapter 1 of Exploring Society Class 7?

The end-of-chapter exercise in Exploring Society: India and Beyond (Part 1) Chapter 1 is headed Questions and activities and contains 9 numbered questions, all answered step by step on this page.

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