Rivers of India — Set 10

Correct Answer: C. Teesta

• **Teesta River** = called the 'lifeline of Sikkim' as it flows through the entire state from north to south; originates from Tso Lhamo Lake. • **11** — the number of hydroelectric projects on the Teesta in Sikkim, making it the backbone of the state's power supply. • 💡 Wrong-option analysis: Manas: flows through Assam and Bhutan, not through Sikkim; Sankosh: forms part of the Bhutan-Assam border; Subansiri: flows through Arunachal Pradesh and Assam, not Sikkim.

Correct Answer: D. Yamuna

• **Chambal River** = a major right-bank tributary of the Yamuna; known for its legendary badlands and ravines, and one of India's pollution-free rivers. • **960 km** — length of Chambal; the National Chambal Sanctuary along its banks protects Gharials, Gangetic dolphins, and Indian skimmers. • 💡 Wrong-option analysis: Ganga: Chambal flows into Yamuna which then flows into Ganga — not a direct Ganga tributary; Narmada: a west-flowing peninsular river, Chambal is in the Ganga basin; Son: a south-bank tributary of Ganga, different river.

Correct Answer: A. Tapi

• **Tapi (Tapti) River** = like Narmada, Tapi also flows westward through a rift valley; it originates in the Satpura range and is called Narmada's 'twin'. • **724 km** — length of Tapi; it flows through Maharashtra, Madhya Pradesh, and Gujarat before entering the Arabian Sea. • 💡 Wrong-option analysis: Mahi: flows through central Gujarat, does not follow a rift valley; Luni: desert river in Rajasthan flowing into the Rann of Kutch; Sabarmati: flows through Gujarat plains, no rift valley feature.

Correct Answer: D. Pakistan

• **Indus Waters Treaty** = signed between India and Pakistan in 1960, brokered by the World Bank; governs the distribution of Indus river system waters. • **1960** — year of signing; India gets the three eastern rivers (Sutlej, Beas, Ravi); Pakistan gets the three western rivers (Indus, Jhelum, Chenab). • 💡 Wrong-option analysis: Nepal: India has the Koshi, Gandak, and Mahakali treaties with Nepal, not the Indus Waters Treaty; China: the Brahmaputra data-sharing agreement is separate; Bangladesh: the Ganga Waters Treaty governs India-Bangladesh sharing.

Correct Answer: A. Tapi

• **Surat** = located on the banks of the Tapi river in Gujarat; a major industrial city known for diamonds and textile manufacturing. • **724 km** — length of the Tapi river; the Kakrapar Weir near Surat is a major water diversion structure on this river. • 💡 Wrong-option analysis: Sabarmati: flows through Ahmedabad, not Surat; Mahi: flows through Vadodara region into Gulf of Khambhat; Narmada: has the Bharuch (Broach) district city at its mouth, not Surat.

Correct Answer: A. Narmada

• **Narmada River** = flows through a spectacular gorge of marble rocks at Bhedaghat near Jabalpur; the white marble shines brilliantly in moonlight. • **8 km** — length of the Bhedaghat marble gorge; the cliffs rise up to 30 m on either side of the river. • 💡 Wrong-option analysis: Chambal: known for badlands and ravines, not marble rock gorges; Ken: flows through limestone terrain in MP, no marble gorge; Betwa: flows through granite terrain in Bundelkhand.

Correct Answer: C. Luni

• **Luni** = an inland (endorheic) river because it does not reach any sea; it disappears into the salt marshes of the Rann of Kutch. • **495 km** — length of Luni; the most important river in the Thar Desert and the only significant one in western Rajasthan. • 💡 Wrong-option analysis: Tapi: flows into the Arabian Sea at the Gulf of Khambhat; Narmada: also flows into the Arabian Sea, forming an estuary at Bharuch; Mahi: flows into the Gulf of Khambhat in Gujarat.

Correct Answer: B. Kerala

• **Periyar River** = the longest river in Kerala (~244 km); vital for the state's irrigation, hydropower, and drinking water supply. • **244 km** — length of Periyar; the Mullaperiyar Dam on it was controversially built under an 1886 lease to Tamil Nadu. • 💡 Wrong-option analysis: AP: has Godavari, Krishna, Pennar as main rivers; Karnataka: Cauvery, Tungabhadra are the main rivers; Tamil Nadu: Cauvery, Vaigai are the main rivers, not Periyar.

Correct Answer: B. Godavari

• **Godavari** = called 'Dakshina Ganga' due to its immense size, spiritual importance, and dominant role in the Deccan peninsula. • **1,465 km** — Godavari is the largest river system in Peninsular India, flowing through Maharashtra, Telangana, and AP. • 💡 Wrong-option analysis: Krishna: second-largest peninsular river, not called Dakshina Ganga; Cauvery: called 'Ganges of the South', a different but related title; Mahanadi: third-largest east-flowing peninsular river, no such title.

Correct Answer: C. Devprayag

• **Devprayag** = the confluence of Alaknanda and Bhagirathi rivers to officially form the Ganga; the last and most sacred of the five Prayags. • **5 Prayags** — sequence: Vishnuprayag (Dhauliganga+Alaknanda), Nandaprayag, Karnaprayag, Rudraprayag (Mandakini+Alaknanda), then Devprayag. • 💡 Wrong-option analysis: Vishnuprayag: confluence of Dhauliganga and Alaknanda, first Prayag; Rudraprayag: confluence of Mandakini and Alaknanda, third Prayag; Karnaprayag: confluence of Pindar and Alaknanda, second Prayag.