CH: 7 Geography
Class 10th Ch: 7 Lifeline of the National Economy
CBSE Class 10th
Session 2022-2023
NCERT IMPORTANT QUESTIONS
Class 10th SST Geography CH: 7 Lifeline of the National Economy Important Questions
CBSE Board and other State Board
Important Extra Questions For Class 10th SST
What waterways have been declared as the National Waterways by the Government?
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. • The Ganga river between Allahabad and Haldia (1620 km)-N.W. No.1.
• The Brahmaputra river between Sadiya and Dhubri (891 km)-N.W. No.2.
• The West-Coast Canal in Kerala (Kottapurma-Kollam, Udyogamandal and Champakkara canals-205 km) – N.W. No.3.
• Specified stretches of Godavari and Krishna rivers along with Kakinada Puducherry stretch of canals (1078 km) – N.W. No.4.
• Specified stretches of river Brahmani along with Matai river, delta channels of Mahanadi and Brahmani rivers and East Coast Canal (588 km) – N.W. No.5.
(i) In sufficient material Highways.
(ii) Road in cities constructed as compared to village.
(iii) Curvature of bridges are narrow and old.
(iv) Most of the road are Non Metallic that’s why they are not in usage on rainy season.