Q220. The Pin River is an important right-bank tributary of which river?
[RRB NTPC Graduate CBT-II (10 July 2026, Shift 1)]
(A) Chandra River
(B) Spiti River
(C) Bhaga River
(D) Tsarab River
Answer: (B) Spiti River
Explanation: The Pin drains the cold-desert landscape of Himachal Pradesh and joins the Spiti, an upper tributary within the Sutlej basin. Its valley is renowned for its stark mountain environment. Regional relief, river outlets and tributary connections help distinguish the surrounding drainage basin geographically.
Q219. Which river rises west of Rohtang Pass and traverses Chamba Valley?
[RRB NTPC Graduate CBT-II (10 July 2026, Shift 1)]
(A) Jhelum
(B) Beas
(C) Chenab
(D) Ravi
Answer: (D) Ravi
Explanation: The Ravi rises in the Himalayas of Himachal Pradesh and flows across Chamba. It is one of the five important Punjab rivers in the Indus drainage network. Regional relief, river outlets and tributary connections help distinguish the surrounding drainage basin geographically.
Q218. Which Indian river is known for deep badland ravines?
[RRB NTPC Graduate CBT-II (10 July 2026, Shift 1)]
(A) Chambal
(B) Ken
(C) Ramganga
(D) Gandak
Answer: (A) Chambal
Explanation: The Chambal basin contains dissected gullies and steep ravines formed by prolonged erosion. The river ultimately joins the Yamuna, placing it within the Ganga drainage system. Regional relief, river outlets and tributary connections help distinguish the surrounding drainage basin geographically.
Q217. Which river project is built across the Krishna?
[RRB NTPC Graduate CBT-II (10 July 2026, Shift 1)]
(A) Nagarjuna Sagar
(B) Tehri
(C) Hirakud
(D) Bhakra
Answer: (A) Nagarjuna Sagar
Explanation: Nagarjuna Sagar is located on the Krishna in southern India. By comparison, Tehri is on the Bhagirathi, Hirakud on the Mahanadi and Bhakra on the Sutlej. Plateau slopes and underlying geological structures are especially important in determining peninsular drainage patterns.
Q216. Which inland river port lies on the Brahmaputra?
[RRB NTPC Graduate CBT-II (10 July 2026, Shift 1)]
(A) Kandla
(B) Chennai
(C) Mumbai
(D) Pandu
Answer: (D) Pandu
Explanation: Pandu Port serves inland shipping on the Brahmaputra near Guwahati in Assam. Kandla, Chennai and Mumbai are seaports with direct access to coastal waters. Himalayan sediment, seasonal floodwater and heavy rainfall strongly shape the river channels and adjoining plains.
Q215. Which is the major river system underlying the delta of Bangladesh?
[RRB NTPC Graduate CBT-II (10 July 2026, Shift 1)]
(A) Nile River Valley
(B) Mississippi River Plain
(C) Ganges–Brahmaputra Delta
(D) Amazon River Basin
Answer: (C) Ganges–Brahmaputra Delta
Explanation: The Ganga and Brahmaputra, together with Meghna, distribute fertile alluvium over much of Bangladesh. Their broad tidal delta opens into the Bay of Bengal. Regional relief, river outlets and tributary connections help distinguish the surrounding drainage basin geographically.
Q214. Which river is called Dihang in northeastern India?
[CDS-I General Knowledge (12 April 2026)]
(A) Dikhow
(B) Brahmaputra
(C) Subansiri
(D) Teesta
Answer: (B) Brahmaputra
Explanation: After winding round Namcha Barwa, the Brahmaputra enters Arunachal Pradesh as Siang or Dihang. Farther downstream it receives the Lohit and Dibang near the Assam plains. Himalayan sediment, seasonal floodwater and heavy rainfall strongly shape the river channels and adjoining plains.
Q213. The Chalcolithic Ahar culture developed in which river system?
[CDS-I General Knowledge (12 April 2026)]
(A) Sarayu–Ganga
(B) Krishna–Tungabhadra
(C) Banas–Berach
(D) Brahmaputra–Meghna
Answer: (C) Banas–Berach
Explanation: The Ahar or Banas culture flourished in southeastern Rajasthan around the Banas basin and its tributary Berach. The river valleys provided resources for early settled communities. Regional relief, river outlets and tributary connections help distinguish the surrounding drainage basin geographically.
Q212. Shipki La is situated in which Himalayan river valley?
[CDS-I General Knowledge (12 April 2026)]
(A) Chumbi Valley
(B) Brahmaputra Valley
(C) Sutlej Valley
(D) Teesta Valley
Answer: (C) Sutlej Valley
Explanation: Shipki La is in the Kinnaur region of Himachal Pradesh on the India–Tibet frontier. The Sutlej crosses from Tibet into India along a deep gorge in this region. Regional relief, river outlets and tributary connections help distinguish the surrounding drainage basin geographically.
Q211. Regarding Rudradaman’s Junagadh inscription, which statement is correct? 1. Kharosthi script and Prakrit; 2. Restoration of Sudarshana Lake; 3. Undated inscription.
[CDS-I General Knowledge (12 April 2026)]
(A) 1 only
(B) 2 only
(C) 1 and 2 only
(D) 1, 2 and 3
Answer: (B) 2 only
Explanation: The Junagadh record discusses repair of the Sudarshana reservoir. It is an important dated Sanskrit inscription written in Brahmi, making the other two assertions incorrect. The balance of rainfall, inflowing streams, evaporation and coastal connections determines the waterbody’s character.
