Geography ch 9 - Tourism, Transport and Communication — Social Studies STD 10 — Question

(i) Internal (Inland) waterways comprises of rivers, canals, backwaters, creeks, etc. which are the cheap means of transportation.
(ii) Deep waters, gentle slopes, absence of rapids and waterfalls and the long course of rivers are favourable factors for development of internal waterways.
(iii) The longest waterways in the world is developed in the Amazon river in Brazil which is navigable for around 3700 kms.
(iv) Perennial river like Ganga in India is navigable in its lower course but the peninsular rivers are not used due to shallow waters, shorter course, seasonal nature, etc.