Indian Rivers MCQs with Answers and Important Facts (MCQs 1–30)

Comprehensive, Exam-Oriented Practice for UPSC, SSC, Banking, Railways, PSC, State PSC, Defence and Other Competitive Examinations

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1. Which is the longest river in India?

A. Yamuna
B. Godavari
C. Ganga
D. Brahmaputra

Answer: ✅ C. Ganga

Explanation:

The Ganga is the longest river flowing within India, with a total length of about 2,525 km. It originates from the Gangotri Glacier (Gaumukh) in Uttarakhand and empties into the Bay of Bengal.

• A. Yamuna – Second-largest tributary of the Ganga.
• B. Godavari – Longest river in Peninsular India.
• C. Ganga – Correct answer.
• D. Brahmaputra – Longer overall internationally, but not the longest river flowing entirely through India.

Important Fact: The Ganga is known as the National River of India.

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2. Which is the longest river in Peninsular India?

A. Krishna
B. Godavari
C. Narmada
D. Kaveri

Answer: ✅ B. Godavari

Explanation:

The Godavari, often called the Dakshin Ganga (Ganga of the South), is about 1,465 km long.

• A. Krishna – Second longest in Peninsular India.
• B. Godavari – Correct answer.
• C. Narmada – West-flowing river.
• D. Kaveri – Shorter than Godavari.

Important Fact: It originates from Trimbakeshwar near Nashik (Maharashtra).

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3. The Ganga originates from:

A. Satopanth Glacier
B. Gangotri Glacier
C. Zemu Glacier
D. Pindari Glacier

Answer: ✅ B. Gangotri Glacier

Explanation:

The Ganga begins as the Bhagirathi River, originating from Gaumukh in the Gangotri Glacier.

• A. Satopanth Glacier – Source of Alaknanda tributaries.
• B. Gangotri Glacier – Correct.
• C. Zemu Glacier – In Sikkim.
• D. Pindari Glacier – Kumaon Himalayas.

Important Fact: The Ganga officially forms at Devprayag, where the Bhagirathi and Alaknanda meet.

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4. The confluence of Bhagirathi and Alaknanda is called:

A. Rudraprayag
B. Vishnuprayag
C. Devprayag
D. Karnaprayag

Answer: ✅ C. Devprayag

Explanation:

At Devprayag, the rivers Bhagirathi and Alaknanda merge to form the Ganga.

• Rudraprayag – Alaknanda + Mandakini
• Vishnuprayag – Alaknanda + Dhauliganga
• Devprayag – Correct
• Karnaprayag – Alaknanda + Pindar

Important Fact: There are five Prayags in Uttarakhand.

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5. Which river is known as the “Dakshin Ganga”?

A. Krishna
B. Godavari
C. Kaveri
D. Mahanadi

Answer: ✅ B. Godavari

Explanation:

The Godavari is called Dakshin Ganga because of its length, cultural significance, and vast basin.

• Krishna – Important but shorter.
• Godavari – Correct.
• Kaveri – Sacred river of South India.
• Mahanadi – Major east-flowing river.

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6. Which river flows through the famous Sundarbans Delta?

A. Narmada
B. Ganga-Brahmaputra
C. Tapi
D. Mahi

Answer: ✅ B. Ganga-Brahmaputra

Explanation:

The Sundarbans Delta is the world’s largest delta formed jointly by the Ganga, Brahmaputra, and Meghna rivers.

• Narmada – West-flowing.
• Ganga-Brahmaputra – Correct.
• Tapi – Arabian Sea.
• Mahi – Arabian Sea.

Important Fact: Sundarbans is famous for the Royal Bengal Tiger.

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7. Which river is known as the “Sorrow of Bihar”?

A. Damodar
B. Kosi
C. Son
D. Gandak

Answer: ✅ B. Kosi

Explanation:

The Kosi River frequently changes its course, causing devastating floods in Bihar.

• Damodar – Sorrow of Bengal.
• Kosi – Correct.
• Son – Tributary of Ganga.
• Gandak – Himalayan tributary.

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8. Which river is called the “Sorrow of Bengal”?

A. Kosi
B. Damodar
C. Brahmaputra
D. Mahanadi

Answer: ✅ B. Damodar

Explanation:

Before dams were built, the Damodar River caused frequent floods in West Bengal.

• Kosi – Bihar.
• Damodar – Correct.
• Brahmaputra – Assam floods.
• Mahanadi – Odisha.

Important Fact: The Damodar Valley Corporation (DVC) was established in 1948.

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9. Which river is the largest tributary of the Ganga?

A. Yamuna
B. Son
C. Gomti
D. Ghaghara

Answer: ✅ A. Yamuna

Explanation:

The Yamuna is the largest and longest tributary of the Ganga.

• Yamuna – Correct.
• Son – Right-bank tributary.
• Gomti – Tributary in Uttar Pradesh.
• Ghaghara – Major tributary but shorter within India.

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10. Yamuna originates from:

A. Gangotri Glacier
B. Yamunotri Glacier
C. Pindari Glacier
D. Milam Glacier

Answer: ✅ B. Yamunotri Glacier

Explanation:

The Yamuna originates from the Yamunotri Glacier near Bandarpoonch Peak.

• Gangotri – Ganga.
• Yamunotri – Correct.
• Pindari – Kumaon.
• Milam – Uttarakhand.

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11. Which river is known as the “Male River” of India?

A. Ganga
B. Brahmaputra
C. Godavari
D. Krishna

Answer: ✅ B. Brahmaputra

Explanation:

The Brahmaputra is traditionally referred to as the Male River, unlike most rivers in India.

• Ganga – Female deity.
• Brahmaputra – Correct.
• Godavari – Female.
• Krishna – Named after Lord Krishna.

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12. Brahmaputra enters India through:

A. Arunachal Pradesh
B. Assam
C. Sikkim
D. Meghalaya

Answer: ✅ A. Arunachal Pradesh

Explanation:

The river enters India in Arunachal Pradesh as the Siang (Dihang).

• Arunachal Pradesh – Correct.
• Assam – Flows after Arunachal.
• Sikkim – Teesta.
• Meghalaya – Tributaries.

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13. Which river is called Tsangpo in Tibet?

A. Ganga
B. Brahmaputra
C. Indus
D. Sutlej

Answer: ✅ B. Brahmaputra

Explanation:

The Brahmaputra is called Yarlung Tsangpo in Tibet before entering India.

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14. Which river forms the famous Marble Rocks at Bhedaghat?

A. Tapi
B. Narmada
C. Krishna
D. Mahi

Answer: ✅ B. Narmada

Explanation:

The Narmada River flows through the spectacular Marble Rocks near Jabalpur.

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15. Narmada flows into the:

A. Bay of Bengal
B. Arabian Sea
C. Indian Ocean
D. Gulf of Mannar

Answer: ✅ B. Arabian Sea

Explanation:

The Narmada drains into the Arabian Sea near Bharuch, Gujarat.

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16. Which river flows through a rift valley?

A. Ganga
B. Godavari
C. Narmada
D. Kaveri

Answer: ✅ C. Narmada

Explanation:

The Narmada flows through a rift valley between the Vindhya and Satpura ranges.

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17. Which river is the west-flowing twin of the Narmada?

A. Mahanadi
B. Tapi (Tapti)
C. Krishna
D. Pennar

Answer: ✅ B. Tapi (Tapti)

Explanation:

Like the Narmada, the Tapi flows westward into the Arabian Sea.

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18. Which river originates near Mahabaleshwar?

A. Krishna
B. Kaveri
C. Godavari
D. Narmada

Answer: ✅ A. Krishna

Explanation:

The Krishna originates from Mahabaleshwar in Maharashtra.

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19. Which river is known as the lifeline of Karnataka?

A. Krishna
B. Tungabhadra
C. Kaveri
D. Sharavati

Answer: ✅ C. Kaveri

Explanation:

The Kaveri provides irrigation, drinking water, and hydroelectric power to Karnataka.

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20. The Kaveri originates at:

A. Agumbe
B. Talakaveri
C. Kudremukh
D. Coorg Plains

Answer: ✅ B. Talakaveri

Explanation:

The Kaveri originates at Talakaveri in the Brahmagiri Hills of Karnataka.

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21. Which river is famous for the Hirakud Dam?

A. Mahanadi
B. Godavari
C. Krishna
D. Pennar

Answer: ✅ A. Mahanadi

Explanation:

The Hirakud Dam on the Mahanadi is one of the world’s longest earthen dams.

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22. The Hirakud Dam is located in:

A. Chhattisgarh
B. Odisha
C. Jharkhand
D. Telangana

Answer: ✅ B. Odisha

Explanation:

The dam is situated near Sambalpur, Odisha.

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23. Which is the largest river basin in India?

A. Godavari Basin
B. Ganga Basin
C. Krishna Basin
D. Brahmaputra Basin

Answer: ✅ B. Ganga Basin

Explanation:

The Ganga Basin covers the largest drainage area in India.

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24. Which river is famous for the Sardar Sarovar Dam?

A. Tapi
B. Narmada
C. Krishna
D. Godavari

Answer: ✅ B. Narmada

Explanation:

The Sardar Sarovar Project is built across the Narmada River in Gujarat.

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25. Which river is NOT a tributary of the Ganga?

A. Son
B. Gomti
C. Chambal
D. Tapi

Answer: ✅ D. Tapi

Explanation:

The Tapi flows independently into the Arabian Sea.

• Son – Tributary of Ganga.
• Gomti – Tributary of Ganga.
• Chambal – Tributary of Yamuna, which joins the Ganga.
• Tapi – Correct.

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26. Which river is known for the Jog Falls?

A. Sharavati
B. Kaveri
C. Krishna
D. Godavari

Answer: ✅ A. Sharavati

Explanation:

Jog Falls, one of India’s highest waterfalls, is formed by the Sharavati River in Karnataka.

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27. Which river forms the India-Bangladesh border in some stretches?

A. Teesta
B. Ganga
C. Brahmaputra
D. Feni

Answer: ✅ D. Feni

Explanation:

The Feni River forms part of the international boundary between India and Bangladesh.

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28. Which river originates from Amarkantak Plateau?

A. Godavari
B. Krishna
C. Narmada
D. Kaveri

Answer: ✅ C. Narmada

Explanation:

The Narmada rises from the Amarkantak Plateau in Madhya Pradesh.

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29. Which of the following rivers does NOT form a delta?

A. Godavari
B. Krishna
C. Narmada
D. Mahanadi

Answer: ✅ C. Narmada

Explanation:

The Narmada forms an estuary instead of a delta because it flows through a rift valley into the Arabian Sea.

• Godavari – Forms a large delta.
• Krishna – Forms a delta.
• Narmada – Correct.
• Mahanadi – Forms a fertile delta.

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30. Which pair is correctly matched?

A. Kosi — Sorrow of Bengal
B. Godavari — Dakshin Ganga
C. Damodar — Male River
D. Brahmaputra — National River of India

Answer: ✅ B. Godavari — Dakshin Ganga

Explanation:

Among the given pairs, only Godavari — Dakshin Ganga is correctly matched.

• Kosi — Sorrow of Bihar, not Bengal.
• Godavari — Dakshin Ganga ✔
• Damodar — Sorrow of Bengal, not Male River.
• Brahmaputra — Male River; the National River of India is the Ganga.

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Important Indian Rivers Facts for Competitive Exams

Fact	Information
National River of India	Ganga
Longest River in India	Ganga
Longest Peninsular River	Godavari
Largest River Basin	Ganga Basin
Largest Delta	Ganga–Brahmaputra (Sundarbans)
West-flowing Rift Valley Rivers	Narmada, Tapi
Male River	Brahmaputra
Dakshin Ganga	Godavari
Sorrow of Bihar	Kosi
Sorrow of Bengal	Damodar
Source of Ganga	Gangotri Glacier (Bhagirathi)
Source of Yamuna	Yamunotri Glacier
Source of Narmada	Amarkantak Plateau
Source of Godavari	Trimbakeshwar, Maharashtra
Source of Krishna	Mahabaleshwar
Source of Kaveri	Talakaveri
Hirakud Dam	Mahanadi
Sardar Sarovar Dam	Narmada
Jog Falls	Sharavati River
Marble Rocks	Narmada at Bhedaghat

These 30 MCQs cover major concepts frequently tested in UPSC Civil Services, SSC CGL/CHSL, Banking (IBPS/SBI), RRB, CDS, CAPF, State PSCs, Teaching Eligibility Tests, and other competitive examinations in India.