120. Pochampad Dam is another name for which irrigation project?
[RRB NTPC UG (28 August, Shift 2), 2025]
(A) Hirakud
(B) Sri Rama Sagar
(C) Bhakra–Nangal
(D) Nagarjuna Sagar
Answer: (B) Sri Rama Sagar
Explanation: Pochampad or Sri Rama Sagar is located on the Godavari in Telangana. The reservoir is an important source of irrigation water for the northern Telangana districts and supports regional water management.
119. Which pair of river valleys has major hydropower potential in Madhya Pradesh?
[MP Police Constable (4 December, Shift 1), 2025]
(A) Kali Sindh and Tawa
(B) Tapi and Shipra
(C) Betwa and Son
(D) Narmada and Chambal
Answer: (D) Narmada and Chambal
Explanation: The Narmada and Chambal are major water-resource basins used for hydropower development in Madhya Pradesh. The Narmada system includes Indira Sagar and Omkareshwar, whereas Gandhi Sagar is part of the Chambal cascade.
118. What is the stated length of Omkareshwar Dam in Madhya Pradesh?
[MP Police Constable (13 December, Shift 1), 2025]
(A) 800 metres
(B) 514 metres
(C) 949 metres
(D) 653 metres
Answer: (C) 949 metres
Explanation: Omkareshwar Dam extends approximately 949 metres across the Narmada in Khandwa district. The project forms part of the state’s Narmada Valley development system, combining hydroelectric production with irrigation benefits.
117. What are the principal uses of Tigra Dam in Madhya Pradesh?
[MP Police Constable (12 December, Shift 1), 2025]
(A) Flood control alone
(B) Freshwater supply and irrigation
(C) Hydropower alone
(D) Industrial use alone
Answer: (B) Freshwater supply and irrigation
Explanation: Tigra Dam stands on the Sank River near Gwalior and supplies freshwater to the city. Water storage also helps the surrounding agricultural area, making municipal supply and irrigation its most important functions.
116. Approximately how long is the Tawa Reservoir Dam?
[MP Police Constable (6 November, Shift 2), 2025]
(A) 514 metres
(B) 1,815 metres
(C) 653 metres
(D) 1,020 metres
Answer: (B) 1,815 metres
Explanation: Tawa Dam extends around 1,815 metres on the Tawa River, a tributary of the Narmada. The reservoir is an important irrigation resource in the Narmadapuram region of Madhya Pradesh.
115. In which year was the Tawa Reservoir Dam opened according to the examination?
[MP Police Constable (18 November, Shift 1), 2025]
(A) 1974
(B) 2006
(C) 1992
(D) 1960
Answer: (A) 1974
Explanation: The examination records 1974 for the opening of the Tawa structure in Madhya Pradesh. The river is a tributary of the Narmada, and the dam supports irrigation in the Narmadapuram and Harda areas.
114. Shivsagar reservoir and the associated dam are on which river?
[Bombay High Court Clerk (10 August), 2025]
(A) Krishna
(B) Koyna
(C) Godavari
(D) Bhima
Answer: (B) Koyna
Explanation: Shivsagar is the reservoir behind Koyna Dam in the Satara district of Maharashtra. Koyna is a tributary of the Krishna and supports one of the country’s major hydroelectric generation schemes.
113. Which movement led by Medha Patkar protested large dams on the Narmada?
[SSC Selection Post (24 July, Shift 1), 2025]
(A) Save Ganga Movement
(B) Chipko Movement
(C) Narmada Bachao Andolan
(D) Project Tiger
Answer: (C) Narmada Bachao Andolan
Explanation: Narmada Bachao Andolan challenged the social and ecological consequences of major Narmada basin dams, particularly Sardar Sarovar. Rehabilitation of displaced families, submergence of land and environmental impacts became central issues.
112. Which state hosts a large floating-solar programme associated with the Omkareshwar reservoir?
[SSC Selection Post (24 July, Shift 1), 2025]
(A) Tamil Nadu
(B) Andhra Pradesh
(C) Madhya Pradesh
(D) Gujarat
Answer: (C) Madhya Pradesh
Explanation: The floating solar initiative is associated with the Omkareshwar reservoir in Madhya Pradesh. Omkareshwar itself is a hydropower and irrigation dam on the Narmada, illustrating the combination of existing water infrastructure with renewable-energy development.
111. A proposed bridge over the Hirakud Reservoir would link which Odisha localities?
[OSSSC CRE Prelims (31 October, Shift 3), 2025]
(A) Puri and Konark
(B) Lakhanpur and Ambabhona
(C) Rourkela and Sambalpur
(D) Cuttack and Bhubaneswar
Answer: (B) Lakhanpur and Ambabhona
Explanation: The proposed Hirakud reservoir bridge links Lakhanpur and Ambabhona. Hirakud is an extensive water body behind the Mahanadi dam, so crossings can substantially shorten journeys between settlements on opposite sides.
