Question

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irrigation 70
5. What is the main difference between inundation canals and perennial canals?
6. Give two reasons why well irrigation is more important in Northen India than in Southern India.
7. Give two reasons why tube well irrigation is more important than ordinary wells for irrigation.
8. (a) Name two states in which tank irrigation is more important than in any other state in India,
(b) Name two states where tube wells are used extensively.
(c) What factors allow the construction of tube wells in the states named?
9. Explain two disadvantages of well irrigation.
10. On the map of India, shade the following:
(a) The areas under tube well irrigation
(b) The areas where tank irrigation is dominant
(c) The area under canal irrigation
11. What is the need for conservation of water? Discuss.
12. (a) What is rainwater harvesting?
(b) Name and discuss any four methods by which it is carried out.​

Answer 1

Answer:

5.Inundation canal are long canals taken off from large rivers. They receive water when the river is high enough and especially when in flood. While Perennial canals are lined to dams and barrages to provide water throughout the year, and they irrigate a vast area.