Drainage System

41. Which of the following river does not flow through the state of Uttar Pradesh? [U.P.R.O./A.R.O. (Pre) 2021]

(a) Son River
(b) Hindon River
(c) Gandak River
(d) Sharda River

Correct Answer: (c) Gandak River

Solution:The Gandak river does not flow through the state of Uttar Pradesh, this river enters Bihar after leaving Nepal and joins the Ganges near Sonpur Patna. Son, Hindon and Sharda rivers flow through the state of Uttar Pradesh.

42. Which one of the following rivers joins the Ganga at Fatuha? [63rd B.P.C.S. (Pre) 2017]

Correct Answer: (b) Punpun

Solution:The Punpun river originates from the Chota Nagpur Plateau state of Jharkhand and enters the Aurangabad district of Bihar and joins the Ganges near Fatuha in Patna district.

43. The average height of the Kosi Plan from mean sea level is: [69th B.P.S.C.(Pre) 2023]

(a) 300 m
(b) 150 m
(c) 30 m
(d) None of the above

Correct Answer: (c) 30 m

Solution:The Kosi plain is in Bihar. The triangular plain's open is located at Birpur (54m), near the border with Nepal. The base runs parallel to river Ganga from Khagaria (36m) to Kursela (25m). Significantly a little area's elevation in up- per plan is below 50m. The average elevation in the Basin is between 30m and 40m general slope is form to south and from north-west to south-east.

Only option (c) (30m) reflects correct answer.

Drainage System

41. Which of the following river does not flow through the state of Uttar Pradesh? [U.P.R.O./A.R.O. (Pre) 2021]

42. Which one of the following rivers joins the Ganga at Fatuha? [63rd B.P.C.S. (Pre) 2017]

43. The average height of the Kosi Plan from mean sea level is: [69th B.P.S.C.(Pre) 2023]

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