Can you imagine the last time you travelled by bus, train, or metro? None of that happens by accident. Behind every journey and every message is a vast web of roads, bridges, railways, airports, ports, and communication towers working quietly together. That web has a name, and this chapter is all about it.
Chapter 7, Infrastructure: Engine of India’s Development, is part of the unit Economic Life Around Us in the textbook Exploring Society: India and Beyond for Class 7. It explains what physical infrastructure is, how it has grown in India over the years, and why it matters for every citizen.
Let’s take a quick look at what the social studies chapter 7 covers:
- Physical infrastructure: Roads, railways, airports, ports, power lines, water pipelines, and communication networks.
- Road network: India has the second-largest road network in the world (2024). It comprises of national highways, state highways, and local roads.
- NH44 – longest highway: Runs 4,112 km from Srinagar to Kanyakumari, covering the entire length of India.
- Railways introduced in 1853: The British brought railways to move raw materials; today Indian Railways is the fourth-largest in the world.
- Railways carry 20 million passengers daily: Indian railway is one of the cheapest and most energy-efficient transport systems in the world.
- Indian Railways – largest employer: About 1.21 million employees as of 2024, plus millions of indirect jobs.
- Metro trains in 23 cities: Over 1,000 km of metro network, soon to be the third-largest in the world.
- Air transport – 159 airports in 2025: India has the third-highest domestic air traffic globally, handling around 376 million passengers in 2024-25.
- Shipping and ports: India has 12 major ports and 217 minor ports along its 11,100 km coastline.
- Dhola Sadiya Bridge (2017): At 9.15 km, it connects Assam and Arunachal Pradesh and cut travel time by four hours.
- Living root bridges of Meghalaya: Natural bridges grown from tree roots by the Khasi and Jaintia tribes over decades and centuries.
- J.C. Bose and wireless transmission (1895): Indian scientist pioneered wireless transmission using microwaves. It happened well before Marconi’s 1901 patent.
- 1780 – India’s first newspaper: The Bengal Gazette, marking the beginning of print communication in India.
- 1930: All India Radio launched.
This chapter is important because infrastructure touches every part of daily life. A farmer getting a fair price for his crop, a student attending an online class from a village, a patient reaching a hospital on time – all of it depends on roads, power, communication, and transport working well. Understanding this helps students see the bigger picture of how a country grows, and what role each citizen plays in protecting what has been built.
Test your understanding with these MCQ questions for Class 7 Social Science on Infrastructure: Engine of India’s Development.
Class 7 Infrastructure: Engine of India’s Development Part 2 MCQ Questions with Answers
Class 7 SST Chapter 7 Infrastructure: Engine of India’s Development Part 2 MCQ Questions
1. What is physical infrastructure mainly made up of?
a) Only government offices
b) Tangible structures that help cities and villages function
c) Only mobile phones and apps
d) Only schools and hospitals
Answer:
b) Tangible structures that help cities and villages function
2. Which of the following is part of communication infrastructure?
a) Telecom towers
b) Wheat fields
c) School uniforms
d) Fishing nets
Answer:
a) Telecom towers
3. In Rishabh’s journey, which mode of transport did he use to avoid heavy traffic?
a) Ship
b) Metro
c) Helicopter
d) Bicycle
Answer:
b) Metro
4. Satish said his tomatoes stayed fresh mainly because of
a) only sunshine
b) cold storage
c) mountain air
d) sea breeze
Answer:
b) cold storage
5. Which statement best explains why physical infrastructure is called the backbone of the nation?
a) It exists only in large cities
b) It helps people, businesses, and government function smoothly
c) It is useful only for transport
d) It is needed only during wars
Answer:
b) It helps people, businesses, and government function smoothly
6. How does better infrastructure help during floods or earthquakes?
a) It stops all disasters from happening
b) It helps in quicker movement of people, goods, and aid
c) It removes the need for government
d) It reduces the number of villages
Answer:
b) It helps in quicker movement of people, goods, and aid
7. India has the second-largest road network in the world after
a) China
b) Russia
c) the United States of America
d) Japan
Answer:
c) the United States of America
8. Who builds and maintains state highways?
a) Village panchayats only
b) States through their public works departments
c) Private schools
d) Railway authorities
Answer:
b) States through their public works departments
9. Which road network connects four major Indian cities Delhi, Mumbai, Chennai, and Kolkata?
a) Silver Circle
b) Golden Quadrilateral
c) Eastern Corridor
d) Metro Loop
Answer:
b) Golden Quadrilateral
10. What made travel difficult before the Dhola Sadiya Bridge was built?
a) People had to rely on ferries that failed during floods
b) Trains stopped there permanently
c) The bridge was too narrow
d) Air travel was compulsory
Answer:
a) People had to rely on ferries that failed during floods
11. Living root bridges in Meghalaya are made mainly from the roots of the
a) neem tree
b) banyan tree
c) Ficus elastica tree
d) coconut tree
Answer:
c) Ficus elastica tree
12. Why did the British first introduce railways in India in 1853?
a) To promote tourism in hill stations
b) To transport raw materials to ports and move British goods
c) To replace all bullock carts
d) To encourage only local trade
Answer:
b) To transport raw materials to ports and move British goods
13. Cargo trains are energy-efficient because they use about
a) 5 to 10 per cent less energy than road transport
b) 15 to 20 per cent less energy than road transport
c) 75 to 90 per cent less energy than road transport
d) the same energy as road transport
Answer:
c) 75 to 90 per cent less energy than road transport
14. What major environmental shift is Indian Railways aiming for by 2025?
a) 100 per cent steam locomotives
b) 100 per cent diesel engines
c) 100 per cent trains running on electricity
d) 100 per cent solar-only trains
Answer:
c) 100 per cent trains running on electricity
15. Indian Railways is described in the chapter as the
a) smallest employer in India
b) largest employer in India
c) only private employer in India
d) oldest employer in Asia
Answer:
b) largest employer in India
16. Metro train systems help cities mainly by
a) increasing road traffic
b) reducing speed of travel
c) reducing traffic and pollution
d) replacing all railway lines
Answer:
c) reducing traffic and pollution
17. Which statement about air transport is correct?
a) It is the slowest way to connect places
b) It is useful only for tourists
c) It is the fastest way to connect people and places
d) It cannot carry cargo
Answer:
c) It is the fastest way to connect people and places
18. Cargo flights are especially useful for carrying
a) only furniture
b) high-value or perishable goods
c) only grains
d) only machines that travel by sea
Answer:
b) high-value or perishable goods
Infrastructure: Engine of India’s Development Class 7 Part 2 Assertion-Reason Questions
1. Assertion (A): Physical infrastructure is necessary for the smooth functioning of daily life. Reason (R): It includes transport, utilities, communication networks, and energy systems that support people and services.
a) Both A and R are true, and R is the correct explanation of A
b) Both A and R are true, but R is not the correct explanation of A
c) A is true, but R is false
d) A is false, but R is true
Answer:
a) Both A and R are true, and R is the correct explanation of A
2. Assertion (A): The Dhola Sadiya Bridge improved life for nearby communities. Reason (R): It enabled year-round travel and reduced travel time even during floods.
a) Both A and R are true, and R is the correct explanation of A
b) Both A and R are true, but R is not the correct explanation of A
c) A is true, but R is false
d) A is false, but R is true
Answer:
a) Both A and R are true, and R is the correct explanation of A
3. Assertion (A): Metro trains increase road congestion in cities. Reason (R): They provide fast travel on elevated and underground tracks.
a) Both A and R are true, and R is the correct explanation of A
b) Both A and R are true, but R is not the correct explanation of A
c) A is true, but R is false
d) A is false, but R is true
Answer:
d) A is false, but R is true
4. Assertion (A): Communication infrastructure today supports online learning, e-commerce, and e-governance. Reason (R): Messages and information can move quickly through cables, towers, satellites, and data centres.
a) Both A and R are true, and R is the correct explanation of A
b) Both A and R are true, but R is not the correct explanation of A
c) A is true, but R is false
d) A is false, but R is true
Answer:
a) Both A and R are true, and R is the correct explanation of A
5. Assertion (A): Citizens have no role in protecting public infrastructure. Reason (R): People should use public infrastructure responsibly and report damage like potholes or broken streetlights.
a) Both A and R are true, and R is the correct explanation of A
b) Both A and R are true, but R is not the correct explanation of A
c) A is true, but R is false
d) A is false, but R is true
Answer:
d) A is false, but R is true
Infrastructure: Engine of India’s Development Class 7 Part 2 Fill in the blanks Questions
1. Physical infrastructure is a vast network of __________ structures built to keep cities and villages functioning.
Answer:
tangible
2. Transport systems include roads, bridges, railways, and __________.
Answer:
airways
3. Satish used canals and electric water pumps for __________.
Answer:
irrigation
4. India has the second-largest __________ network in the world.
Answer:
road
5. NH44 runs from Srinagar to __________.
Answer:
Kanyakumari
6. The Dhola Sadiya Bridge crosses the __________ River.
Answer:
Lohit
7. The British introduced railways in India in __________.
Answer:
1853
8. Indian Railways carry over 20 million __________ every day.
Answer:
passengers
9. Metro trains in India operate in __________ cities.
Answer:
23
10. India had __________ airports in 2025.
Answer:
159
Infrastructure: Engine of India’s Development Class 7 Part 2 True or False Questions
1. Physical infrastructure includes only roads and highways.
Answer:
False
2. Good roads and cold storage helped Satish sell tomatoes in the mandi.
Answer:
True
3. Better infrastructure can support tourism and help connect remote areas.
Answer:
True
4. National highways are built and maintained only by village panchayats.
Answer:
False
5. Living root bridges are lifeless concrete bridges covered with plants.
Answer:
False
6. Indian Railways is one of the cheapest train services in the world.
Answer:
True
7. Indian Railways was already fully electric from the beginning.
Answer:
False
8. Some metro systems in India use solar power.
Answer:
True
9. Shipping is a costly way to carry heavy goods over long distances according to the chapter.
Answer:
False
10. India has 12 major ports and 217 minor ports.
Answer:
True
11. Communication infrastructure includes towers, satellites, and data centres.
Answer:
True
12. J.C. Bose demonstrated wireless transmission in 1899.
Answer:
True
13. E-governance means using communication technologies by government to deliver services to citizens.
Answer:
True
14. Taking care of public infrastructure is only the government’s responsibility.
Answer:
False
Infrastructure: Engine of India’s Development Class 7 Part 2 Match the following Questions
Question 1
| Column A | Column B |
|---|---|
| 1. NH44 | A. Fast urban transport on elevated and underground tracks |
| 2. Dhola Sadiya Bridge | B. Longest national highway in India |
| 3. Living root bridges | C. Connect Assam and Arunachal Pradesh |
| 4. Metro trains | D. Natural bridges shaped from tree roots |
| 5. Cargo trains | E. Carry coal, grains, textiles, and electronics |
Answer:
| Column A | Correct Answer |
|---|---|
| 1. NH44 | B. Longest national highway in India |
| 2. Dhola Sadiya Bridge | C. Connect Assam and Arunachal Pradesh |
| 3. Living root bridges | D. Natural bridges shaped from tree roots |
| 4. Metro trains | A. Fast urban transport on elevated and underground tracks |
| 5. Cargo trains | E. Carry coal, grains, textiles, and electronics |
Question 2
| Column A | Column B |
|---|---|
| 1. Air transport | A. Buying or selling products through online platforms |
| 2. Shipping | B. Fastest way to connect people and places |
| 3. E-commerce | C. Cheaper mode for moving heavy goods long distances |
| 4. E-governance | D. Government services delivered using communication technologies |
| 5. J.C. Bose | E. Pioneer of wireless transmission in India |
Answer:
| Column A | Correct Answer |
|---|---|
| 1. Air transport | B. Fastest way to connect people and places |
| 2. Shipping | C. Cheaper mode for moving heavy goods long distances |
| 3. E-commerce | A. Buying or selling products through online platforms |
| 4. E-governance | D. Government services delivered using communication technologies |
| 5. J.C. Bose | E. Pioneer of wireless transmission in India |
