indian drainage irrigation rivers & projects section 1 MCQ Questions & Answers Detailed Explanation

Answer: (c)

Sambhar lake in Rajasthan is the largest salt water lake in India.

Answer: (b)

Alaknanda joins Bhagirathi at Devprayag to form the Ganges. Devprayag is a town and a Nagar panchayat in Tehri Garhwal district in the state of Uttarakhand. It is one of the Panch Prayag (five confluences) of the Alaknanda River.

Traditionally, it is considered to be the place where sage Devasharma led his ascetic life, giving birth its present name, Devprayag.

Answer: (a)

Answer: (b)

The Pong Dam, also known as the Beas Dam, is an earth-fill embankment dam on the Beas River just upstream of Talwara in the state of Himachal Pradesh. he purpose of the dam is water storage for irrigation and hydroelectric power generation. At the time of its completion, the Pong Dam was the tallest of its type in India.

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.

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.