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Rivers and Drainage

14 UPSC Prelims MCQs tagged "Rivers and Drainage". Free practice with answer keys, explanations, and timed mock tests on Anantam IAS.

  1. Consider the following statements:

    Consider the following statements:

    1. AOnly 3
    2. BOnly 1
    3. COnly 1 and 2
    4. DOnly 1 and 3
    Answer and explanation

    Correct answer: C

    The Lidder is one of the main tributaries of the Jhelum in Kashmir, and the Hindon is a tributary of the Yamuna, so the first two statements are correct. The Teesta does join the Brahmaputra, but it's a right-bank tributary entering from the north, not the south, so statement 3 is wrong.
  2. Which of the following items of defence hardware is/are manufactured in India?

    Which of the following items of defence hardware is/are manufactured in India?

    1. Su-30 MKI Fighter Jets

    2. T-90 MK-III Tanks

    3. Akula Class Submarine

    Select the answer using the code given below:

    1. A1 and 2
    2. B1 and 3
    3. C1 only
    4. D2 only
    Answer and explanation

    Correct answer: A

    Su-30 MKI is manufactured in India under licence by Hindustan Aeronautics Limited at Nashik with progressive indigenisation of major systems (statement 1 correct). T-90 'Bhishma' tanks, including the upgraded T-90 MK-III variant, are produced under licence at the Heavy Vehicles Factory, Avadi, by Armoured Vehicles Nigam Limited (statement 2 correct). The Akula-class nuclear-powered attack submarine (e.g., INS Chakra) is leased from Russia and built in Russian shipyards; India does not manufacture Akula-class submarines (statement 3 incorrect). Hence only 1 and 2 are correct.
  3. Match List I with List II and select the answer using the code given below the Lists:

    Match List I with List II and select the answer using the code given below the Lists:

    1. List I (BIMSTEC Centre/Establishment)

    2. List II (Location)

    3. A. BIMSTEC Cultural Industries Observatory

    4. 1. NOIDA

    5. B. BIMSTEC Energy Centre

    6. 2. Bengaluru

    7. C. BIMSTEC Centre for Weather and Climate

    8. 3. Colombo

    9. D. BIMSTEC Technology Transfer Facility

    10. 4. Thimphu

    11. Code:

    12. A

    13. B

    14. C

    15. D

    1. A3 2 1 4
    2. B3 1 2 4
    3. C4 2 1 3
    4. D4 1 2 3
    Answer and explanation

    Correct answer: C

    BIMSTEC Cultural Industries Observatory (BCIO) is located in Thimphu/Paro, Bhutan → A-4. BIMSTEC Energy Centre (BEC) is housed at the Central Power Research Institute, Bengaluru, India → B-2. BIMSTEC Centre for Weather and Climate (BCWC) is located at NCMRWF, NOIDA, India → C-1. BIMSTEC Technology Transfer Facility (TTF) is being set up in Colombo, Sri Lanka → D-3. Hence the correct sequence is A-4, B-2, C-1, D-3, which corresponds to option (c).
  4. Consider the following statements about river bridges connecting India with neighbouring countries:

    Consider the following statements about river bridges connecting India with neighbouring countries:

    1. 'Maitri Setu', built over Feni river, connects Ramgarh in India with Sabroom in Bangladesh.

    2. Jhulaghat suspension bridge connects India with Myanmar.

    3. Mechi bridge and its approaches connect Panitanki Bypass in India with Kakarvitta in Nepal.

    Which of the statements given above is/are correct?

    1. A1 and 2
    2. B2 and 3
    3. C1 only
    4. D3 only
    Answer and explanation

    Correct answer: D

    Statement 1 is correct — Maitri Setu, inaugurated in 2021, spans the Feni river and connects Sabroom in South Tripura (India) with Ramgarh in Bangladesh, opening access to Chattogram port. Statement 2 is wrong — the Jhulaghat suspension bridge over the Kali (Mahakali) river connects Pithoragarh district of India with Baitadi district of Nepal, not Myanmar. Statement 3 is wrong — the Mechi bridge over the Mechi river connects Panitanki in India with Kakarvitta in Nepal, but the Indian side is Panitanki itself, not 'Panitanki Bypass'; moreover the original older bridge is the relevant link, and the official naming in this option is incorrect. Hence only statement 1 is correct.
  5. In a multi-ethnic district where both economic competition and historical grievances frequently led to community tensions, a flashpoint has arisen with a Government decision to allocate land for a waste management facility near a tribal hamlet, sp…

    In a multi-ethnic district where both economic competition and historical grievances frequently led to community tensions, a flashpoint has arisen with a Government decision to allocate land for a waste management facility near a tribal hamlet, sparking protests by the tribal community, which claimed that the land was sacred and critical to their cultural identity. At the same time, urban residents and local industries supported the project, citing severe solid waste challenges and health concerns due to lack of a proper disposal site. The conflict has escalated with road blockades, social media campaigns, and allegations of police excesses.

    1. As a responsible Government official, you are tasked with resolving the situation through mediation, ensuring a sustainable outcome that balances environmental needs, tribal rights, and urban public health.

    2. Consider the following statements with reference to the above:

    3. A successful conflict resolution process must begin with acknowledging the cultural concerns of the protesting tribal community before discussing technical alternatives.

    4. The Government should move ahead with the project without delay to address urban health concerns, which outweigh the sentiments of a small group.

    5. Creating a multi-stakeholder dialogue platform — including tribal leaders, environmental experts, and municipal representatives — to build mutual understanding and help de-escalate tensions.

    6. Conducting an independent Environmental and Social Impact Assessment (ESIA) and sharing findings transparently with both sides to facilitate evidence-based decision-making.

    7. Which of the statements given above would contribute to the resolution process?

    1. A1, 3 and 4 only
    2. B2, 3 and 4 only
    3. C1 and 2 only
    4. D1, 2, 3 and 4
    Answer and explanation

    Correct answer: A

    Conflict resolution in such ethnically charged disputes begins with empathetic acknowledgement of cultural and identity concerns of the affected community (statement 1), followed by inclusive multi-stakeholder dialogue (statement 3) and evidence-based, transparent ESIA (statement 4). Statement 2 — bulldozing ahead by overriding tribal sentiments as a 'small group' — violates the principles of natural justice, FRA 2006, PESA, and the doctrine of free, prior and informed consent, and would escalate rather than resolve the conflict. Hence only 1, 3 and 4 constitute legitimate, sustainable mediation strategies grounded in administrative ethics and Gandhian conflict-resolution principles.
  6. Identify the river of the Indian sub-continent on the basis of the following information:

    Identify the river of the Indian sub-continent on the basis of the following information:

    1. It has an antecedent drainage system.

    2. It flows through three countries.

    3. It originates in the Tibetan Plateau and is an important river for irrigation.

    4. It does not form distributaries. Select the answer from the following:

    1. ABrahmaputra
    2. BIndus
    3. CSutlej
    4. DTeesta
    Answer and explanation

    Correct answer: C

    The correct answer is Sutlej. It is an antecedent river of the Himalayan drainage system, originating in the Tibetan Plateau near the Rakshastal-Manasarovar region. It flows through China (Tibet), India, and Pakistan, making the “three countries” clue fit. It is also a major irrigation river, especially because of the Bhakra-Nangal system and canals in Punjab. The key eliminator is the last clue: it does not form distributaries. Brahmaputra forms multiple channels and distributaries, Indus forms a delta with distributaries near the Arabian Sea, and Teesta does not originate in Tibet proper or flow through three countries. So the answer is c. Sutlej.
  7. Which of the following is/are the most significant implication(s) of obtaining Oeko-Tex certification for Eri Silk in the global textile industry?

    Which of the following is/are the most significant implication(s) of obtaining Oeko-Tex certification for Eri Silk in the global textile industry?

    1. It allows Indian exporters to compete in high-end markets that prioritise chemical-free products.

    2. It confirms that Eri Silk meets international safety, environmental, and quality standards, enabling its entry into premium eco-conscious markets.

    Select the answer using the code given below:

    1. A1 only
    2. B2 only
    3. CBoth 1 and 2
    4. DNeither 1 nor 2
    Answer and explanation

    Correct answer: C

    OEKO-TEX Standard 100 certification confirms that a textile is tested free of harmful substances against a globally harmonised criteria catalogue. For Eri Silk — the eco-friendly 'peace silk' of Assam reared without killing the silkworm — the certification (secured by Central Silk Board for Eri in 2023-24) validates compliance with international safety, environmental and quality benchmarks, opening doors to premium eco-conscious EU/US markets where chemical residues are a barrier. Both statements describe complementary trade and standards benefits and are correct.
  8. Consider the following statements with reference to the Sagarmala Programme of the Government of India: I. The Sagarmala Programme seeks to achieve port-led economic growth through cost-effective and sustainable coastal infrastructure. II. The suc…

    Consider the following statements with reference to the Sagarmala Programme of the Government of India: I. The Sagarmala Programme seeks to achieve port-led economic growth through cost-effective and sustainable coastal infrastructure. II. The success of the Sagarmala Programme is reflected in significant growth in coastal and inland waterway shipping, along with improved global port rankings. III. Sagarmala 2.0 aims to position India as a global maritime innovation hub aligned with Atmanirbhar Bharat and Viksit Bharat 2047 visions. Which of the following relationships among the above statements is/are correct?

    1. Statement II validates the effectiveness of the strategies envisioned in statement I.

    2. Statement III extends the objectives of statement I by embedding them into a future-oriented innovation framework.

    3. Statement I contradicts statement III by focusing only on traditional infrastructure instead of modern innovation.

    Select the answer using the code given below:

    1. A1 only
    2. B1 and 2
    3. C2 and 3
    4. D3 only
    Answer and explanation

    Correct answer: B

    The Sagarmala Programme (launched 2015 by the Ministry of Ports, Shipping & Waterways) explicitly aims at port-led economic growth through port modernisation, connectivity, port-linked industrialisation and coastal community development — so Statement I is accurately framed, and the documented growth in coastal/inland-waterway traffic plus India's improved global port performance (Logistics Performance Index, container port rankings) validates this — making Statement II a correct extension of I. Sagarmala 2.0 indeed embeds the original mission into an innovation/Atmanirbhar-Viksit-Bharat-2047 framework — extending, not contradicting, Statement I. So relationships 1 and 2 are correct; 3 is wrong. Hence (b).
  9. Consider the following statements about the Rigvedic period: I. Irrigation from wells allowed agriculture to expand away from flood plains and strips on river margins into the present Punjab and Haryana plains having underground water levels reaso…

    Consider the following statements about the Rigvedic period: I. Irrigation from wells allowed agriculture to expand away from flood plains and strips on river margins into the present Punjab and Haryana plains having underground water levels reasonably close to the surface. II. Draught-animal power was employed to draw up water out of the wells. Which of the following information support/supports the above statements?

    1. There is evidence in the Rigveda of the use of ashma chakra (stone pulley wheel) and ahava (strapped wooden pails) to draw up water.

    2. Mention has been made in the Rigveda of the use of implements like parashu/kulisha (axe) and datra/sreni (sickle).

    3. There is a history of the use of ox, even before the Rigveda, for ploughing the land and pulling the carts.

    Select the answer using the code given below:

    1. A1 and 2 only
    2. B1, 2 and 3
    3. C1 and 3 only
    4. D3 only
    Answer and explanation

    Correct answer: C

    Statement I (well-irrigation enabling agrarian expansion into Punjab-Haryana doab) and Statement II (use of draught animals to lift water) are best supported by the Rigvedic references to the ashma-chakra (stone pulley) and ahava (leather/wooden water-bucket) for drawing water from wells, AND by the well-attested pre-Rigvedic use of oxen for ploughing and pulling carts, which would have supplied the draught-animal power for water-lifting. Statement 2 in the list refers only to axes and sickles — harvesting implements that do not bear on irrigation. Hence 1 and 3 only. (early consensus; verify with official UPSC key when released)
  10. Which of the following geographical features or phenomena is/are associated with the Peninsular Block of India?

    Which of the following geographical features or phenomena is/are associated with the Peninsular Block of India?

    1. Submergence of parts of the western coast due to tectonic activity

    2. Presence of residual mountain ranges such as the Veliconda hills and Mahendragiri hills

    3. Deep, V-shaped river valleys formed by fast-flowing rivers

    Select the answer using the code given below:

    1. A1 only
    2. B1 and 2
    3. C2 and 3
    4. D3 only
    Answer and explanation

    Correct answer: B

    The Peninsular Block, one of India's three macro physiographic divisions, is characterised by: (1) submergence of parts of the western coast (the Konkan-Malabar submerged coast, evidenced by drowned river mouths and offshore islands due to faulting); (2) residual mountain ranges such as the Aravallis, Nallamala, Velikonda and Mahendragiri hills, which are remnants of older folded systems. However, deep V-shaped valleys with fast-flowing rivers are characteristic of the youthful Himalayan rivers, not the mature, graded peninsular rivers (which mostly flow in shallow valleys). Hence 1 and 2 only. NCERT XI India: Physical Environment, Ch. 2. Read more: Himalaya Mountain: Formation, Ranges, Rivers, Passes and UPSC Notes.
  11. Which one of the following Carnatic music ragas is similar to Raga Bilawal in Hindustani music?

    Which one of the following Carnatic music ragas is similar to Raga Bilawal in Hindustani music?

    1. ANat Bhairavi
    2. BKamavardhini
    3. CHanumatodi
    4. DDheera Shankarabharanam
    Answer and explanation

    Correct answer: D

    Among the 72 Melakarta ragas of Carnatic music, Dheera Shankarabharanam (29th Melakarta) uses all the natural (shuddha) swaras — S R2 G3 M1 P D2 N3 — exactly corresponding to the Western major scale and to the Hindustani Raga Bilawal, which is the shuddha-swara thaat. Hanumatodi corresponds to Bhairavi, Kamavardhini to Puriya Dhanashri, and Nat Bhairavi to Asavari/Kafi. NCERT XI Fine Arts and standard music-appreciation references both make this Bilawal ↔ Shankarabharanam parallel canonical.
  12. Pandit Mallikarjun Mansur, the famous classical singer from Karnataka, represented the:

    Pandit Mallikarjun Mansur, the famous classical singer from Karnataka, represented the:

    1. AAgra Gharana
    2. BGwalior Gharana
    3. CPatiala Gharana
    4. DJaipur-Atrauli Gharana
    Answer and explanation

    Correct answer: D

    Pandit Mallikarjun Mansur (1910–1992, Padma Vibhushan 1992) was the foremost twentieth-century exponent of the Jaipur-Atrauli Gharana, founded by Ustad Alladiya Khan. Although born in Karnataka, his musical lineage was Jaipur-Atrauli through his guru Manji Khan and later Bhurji Khan (Alladiya Khan's sons). The trap is geographic — candidates assume a Karnataka singer must belong to a Carnatic tradition or to Gwalior (the oldest Hindustani gharana). The Agra and Patiala gharanas have other famous exponents (Faiyaz Khan; Bade Ghulam Ali Khan).
  13. Consider the following assertion: In the Pleistocene period either the Yamuna once flowed into the Indus, or the Sutlej flowed into the Yamuna and one major tributary of either had shifted from the Ganga to the Indus or vice versa. Which of the fo…

    Consider the following assertion: In the Pleistocene period either the Yamuna once flowed into the Indus, or the Sutlej flowed into the Yamuna and one major tributary of either had shifted from the Ganga to the Indus or vice versa. Which of the following is/are the basis of the above assertion?

    1. The Nadi-Sukta of the Rigveda

    2. The explorations of the Sutlej and the Yamuna by Robert Bruce Foote

    3. The presence of the same species of dolphins in both the Indus and the Ganga river systems

    Select the answer using the code given below:

    1. A1 only
    2. B2 only
    3. C1 and 2
    4. D3
    Answer and explanation

    Correct answer: D

    The Pleistocene river-shifting hypothesis in the Indo-Gangetic plains rests primarily on biogeographic evidence — notably the presence of the same species of freshwater dolphin (Platanista gangetica) in both the Indus and Ganga systems, which suggests a former hydrological connection. The Nadi-Sukta of the Rigveda lists rivers but is a much later cultural document and does not establish Pleistocene drainage shifts. Robert Bruce Foote is famous for discovering the first Palaeolithic tool at Pallavaram (1863), not for Sutlej-Yamuna exploration. Hence only statement 3 is the basis. A classic trap: candidates over-trust the Nadi-Sukta because of its river content. (early consensus; verify with official UPSC key when released)
  14. Which of the following pairs of ancient and modern names of rivers is/are correctly matched?

    Which of the following pairs of ancient and modern names of rivers is/are correctly matched?

    1. Vitasta : Chenab

    2. Asikni : Jhelum

    3. Parushni : Ravi

    4. Yavyavati : Beas

    Select the answer using the code given below:

    1. A1 and 2
    2. B3 and 4
    3. C3 only
    4. D4 only
    Answer and explanation

    Correct answer: C

    The Rigvedic Nadi-Sukta names of Punjab's rivers map as: Vitasta = Jhelum, Asikni = Chenab, Parushni = Ravi, Vipas = Beas, Shutudri = Sutlej. Yavyavati is generally identified with the Zhob (or sometimes the Ravi), not the Beas. Therefore only pair 3 (Parushni : Ravi) is correctly matched. Pairs 1 and 2 swap Jhelum and Chenab — a very common trap because both rivers begin with similar consonants in Sanskrit. This is staple Ancient History material from R.S. Sharma's India's Ancient Past and NCERT Class VI.