Unit Test (Solutions): Infrastructure: Engine of India's Development

M.M: 30
Attempt all questions.

• Question numbers 1 to 5 carry 1 mark each.
• Question numbers 6 to 8 carry 2 marks each.
• Question numbers 9 to 11 carry 3 marks each.
• Question numbers 12 & 13 carry 5 marks each.

Q1. Fill in the blank:
 India has the __________ largest road network in the world as of 2024. (1 Mark)
Ans: second-largest.

Q2. Which is the longest national highway in India? (1 Mark)
 (i) NH1
 (ii) NH44
 (iii) NH2
 (iv) NH7
Ans: (ii)
Explanation: NH44 is the longest national highway in India at 4,112 km, running from Srinagar to Kanyakumari.

Q3. True or False:
 Indian Railways is the largest employer in India with about 1.21 million employees in 2024. (1 Mark)
Ans: True.

Q4. Name the tree whose roots are used by the Khāsi and Jaintia tribes to make living root bridges. (1 Mark)
Ans: Ficus elastica tree (Indian rubber tree).

Q5. What are the three main components of physical infrastructure in India? (1 Mark)
 (i) Transportation systems, utilities, and communication networks
 (ii) Schools, hospitals, and parks
 (iii) Roads, railways, and airways only
 (iv) Buildings, monuments, and bridges
Ans: (i)
Explanation: Physical infrastructure includes transportation systems, utilities like electricity and water pipelines, and communication networks such as internet and telephone lines.

Q6. Why did the British introduce railways in India? (2 Marks)
Ans: The British introduced railways in India in 1853 to transport raw materials like cotton and tea to ports for export to Britain. They also wanted to help British goods move across India to create a market for them and enable quicker movement of troops for tighter control over Indian territory.

Q7. How has the Dhola Sadiya Bridge helped the people of Assam and Arunachal Pradesh? (2 Marks)
Ans: The Dhola Sadiya Bridge provides year-round travel across the Lohit River and has cut travel time by four hours. Before the bridge was built, people relied on ferries, which did not work during floods. Now farmers can take vegetables and fruits to market before they spoil, and people can access hospitals or medicines faster, even during floods.

Q8. What are the benefits of metro train systems in Indian cities? (2 Marks)
Ans: Metro trains offer fast and reliable travel and make daily commutes easier. They help reduce road traffic and cut travel time by running on underground and elevated tracks. They also lower pollution by using cleaner fuels like electricity, and some even use solar power, like the Delhi Metro.

Q9. Explain how physical infrastructure supports economic activities and national development. (3 Marks)
Ans: Physical infrastructure is the backbone of the nation and makes life easier for people, businesses, and government. Transport systems like roads, railways, airways, and shipping connect producers to markets and boost internal and external trade. Infrastructure also supports tourism, connects remote areas, and helps in emergencies like floods and earthquakes. Strong infrastructure improves national security and defence mobility, supporting overall national development.

Q10. Describe the process of making living root bridges in Meghalaya. (3 Marks)
Ans: Living root bridges are crafted by the indigenous Khāsi and Jaintia tribes using roots of the Ficus elastica tree. They guide roots across streams with bamboo and palm trunks. Over many years, the roots grow stronger and twist into natural bridges. Some take decades or even centuries to mature and can last hundreds of years. These living structures are nurtured over generations and reflect local people's knowledge about Nature.

Q11. How has communication infrastructure transformed daily life in India? Give examples. (3 Marks)
Ans: Communication infrastructure has made communication faster and easier through phones, computers, and tablets. In education, students can access online classes and digital libraries even in remote areas. It enables quick mobile SMS alerts during natural disasters for emergency response. Businesses can sell products across the world through e-commerce. E-governance allows citizens to apply for documents and file complaints easily. Overall, it promotes ease of living for communities.

Q12. Trace the development of Indian Railways from 1853 to the present day. Explain its importance to India's economy and society. (5 Marks)
Ans: The British introduced railways in India in 1853 to transport raw materials to ports and move troops. As the railway network expanded, trade grew, major markets developed, and new settlements emerged near stations. Today, Indian Railways is the fourth-largest railway system in the world, carrying over 20 million passengers every day. It is one of the cheapest train services in the world. Cargo trains carry coal, grains, textiles, and electronics using 75-90% less energy than road transport. Indian Railways is the largest employer with about 1.21 million employees and creates many indirect jobs in catering, vending, and taxi services. India is aiming to have 100% trains running on electricity by 2025, which is better for the environment.

Q13. What is collective responsibility towards infrastructure? Explain why it is important and how both government and citizens can contribute. (5 Marks)
Ans: Collective responsibility towards infrastructure means that both the government and citizens share the duty of protecting and maintaining public facilities. India has developed major infrastructure, but misuse and damage remain challenges. Littering, defacing buildings, and damaging monuments reduce the ease of living. Panchayats and municipalities must improve waste management, sanitation, traffic, and water supply. Infrastructure should be safe, inclusive, and environmentally sustainable by using clean energy and eco-friendly materials to reduce pollution. Infrastructure design should consider children, the elderly, and persons with disabilities. Citizens must use public facilities responsibly and report damage like potholes or broken lights. When everyone works together, infrastructure can serve the community better and last longer for future generations.