indian drainage irrigation rivers & projects section 1 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (b)

Gujarat has the largest proportion of its net irrigated area under well irrigation. Uttar Pradesh has the largest area under irrigation in terms of total acreage.

Answer: (d)

The Indira Gandhi Canal starts from the Harike Barrage at Sultanpur, a few kilometers below the confluence of the Sutlej and Beas rivers in Punjab state. The reservoir for the canal is built on the Sutlej River.

Answer: (b)

The Godavari originates in the Western Ghats Trimbakeshwar, in the Nashik Subdivision or District of Maharashtra at a height of 920 m. The Krishna River rises in the Western Ghats, at an elevation of about 1337 m just north of Mahabaleshwar.

The headwaters of the Mahanadi River are situated at an elevation of 442 meters over the sea surface. The source of the Narmada is located at Amarkantak on the Amarkantak hill (1,057 m), in the Anuppur District zone of the Shahdol of eastern Madhya Pradesh.

Answer: (b)

Given the seasonal and erratic nature of rainfall throughout the year, South India is known to know to use tank irrigation as time-tested technology for storing rainfall and runoff for a number of uses: crop irrigation, groundwater recharge, domestic use, cattle watering, etc.

Tank irrigation currently accounts for more than 30 per cent of all irrigated cropland in the state of Tamil Nadu and Karnataka. There exist approximately 39,000 irrigation tanks of various sizes in Tamil Nadu alone.

Answer: (b)

The Indira Gandhi Canal is the world’s longest irrigation canal. It starts from the Harike Barrage at Sultanpur, a few kilometres below the confluence of the Sutlej and Beas rivers in Punjab state.

It provides irrigation facilities to the north-western region of Rajasthan, a part of the Thar Desert. It consists of the Rajasthan feeder canal (with the first 167 km in Punjab and Haryana and the remaining 37 km in Rajasthan) and 445 km of the Rajasthan main canal which is entirely within Rajasthan.

This canal enters into Haryana from Punjab near Lohgarh village of Haryana, then running in the western part of district Sirsa it enters into Rajasthan near Kharakhera village of Rajasthan. The IGNP traverses seven districts of Rajasthan: Barmer, Bikaner, Churu, Hanumangarh, Jaisalmer, Jodhpur, and Sriganganagar.