Lifelines of National Economy
Himachal Pradesh Board · Class 10 · Social Science
Flashcards for Lifelines of National Economy — Himachal Pradesh Board Class 10 Social Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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Explore the full setWhat are the three main domains of transport and why are they called 'lifelines' of the national economy?
Answer
The three main domains of transport are Land (roadways, railways, pipelines), Water (inland waterways, sea routes), and Air (airways). They are called 'lifelines' because they connect supply locations…
Roadways
Answer
India has the second largest road network in the world (62.16 lakh km in 2020-21). Roads are preferred over railways because of lower construction costs, ability to traverse difficult terrain, door-to…
List the six classes of roads in India in order of their importance.
Answer
1. Golden Quadrilateral Super Highways (connecting Delhi-Kolkata-Chennai-Mumbai) 2. National Highways (linking extreme parts of country) 3. State Highways (connecting state capitals to district headqu…
Golden Quadrilateral Super Highways
Answer
A major road development project launched by the Government of India linking Delhi-Kolkata-Chennai-Mumbai with six-lane super highways. It includes North-South corridor (Srinagar to Kanniyakumari) and…
What is the Atal Tunnel and why is it significant?
Answer
The Atal Tunnel is the world's longest highway tunnel (9.02 km) built by Border Road Organisation in the Pir Panjal range of Himalayas at 3000 meters altitude. It connects Manali to Lahul-Spiti valley…
Why are railways considered the principal mode of transport in India?
Answer
Railways are principal because they: 1) Handle both freight and passengers efficiently, 2) Enable long-distance travel and goods transport, 3) Facilitate business, tourism, and pilgrimage, 4) Act as a…
Railway Gauge System
Answer
India operates on multiple gauge system: Broad Gauge (1.676m) - 63,950 km, Metre Gauge (1.000m) - 2,402 km, Narrow Gauge (0.762m and 0.610m) - 1,604 km. Total network: 67,956 km. Broad gauge is most c…
Which regions in India are most favorable for railway development and why?
Answer
Northern plains are most favorable due to: level land, high population density, rich agricultural resources. Challenges: river crossings requiring bridges. Unfavorable regions: Himalayan mountains (hi…
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