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Q42 (IAS/2019) Geography › Maps & Locations › Indian economic locations Official Key

What is common to the places known as Aliyar, Isapur and Kangsabati?

Result
Your answer: —  ·  Correct: D
Explanation

Aliyar, Isapur, and Kangsabati are all sites of major irrigation dams in India.[5] They are used for water storage, irrigation, and hydroelectric power generation.[5] This clearly establishes that these locations are associated with water reservoirs, making option D the correct answer.

The other options can be ruled out based on the sources. They are not known for uranium deposits[2], eliminating option A. They are not known for uranium deposits, rainforests, caves, or anything related to Vietnam[4], which rules out options B and C as well. These are significant water infrastructure projects in India, serving critical irrigation and power generation needs across different regions of the country.

Sources
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Don’t just practise – reverse-engineer the question. This panel shows where this PYQ came from (books / web), how the examiner broke it into hidden statements, and which nearby micro-concepts you were supposed to learn from it. Treat it like an autopsy of the question: what might have triggered it, which exact lines in the book matter, and what linked ideas you should carry forward to future questions.
Q. What is common to the places known as Aliyar, Isapur and Kangsabati? [A] Recently discovered uranium deposits [B] Tropical rain forests…
At a glance
Origin: Mostly Current Affairs Fairness: Low / Borderline fairness Books / CA: 0/10 · 10/10
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This is a classic 'Map-Based Grouping' question. While it may seem random, it tests your familiarity with major river valley projects beyond the top 5 famous dams. It is fair for those who study the 'List of Major Irrigation Projects' in standard reference books or the India Year Book.

How this question is built

This question can be broken into the following sub-statements. Tap a statement sentence to jump into its detailed analysis.

Statement 1
Are the places known as Aliyar, Isapur and Kangsabati sites of recently discovered uranium deposits?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 5/5
"Aliyar, Isapur, and Kangsabati are all sites of major irrigation dams in India. ... They are not known for uranium deposits"
Why this source?
  • Explicitly states Aliyar, Isapur and Kangsabati are sites of major irrigation dams (water reservoirs).
  • Directly denies any association with uranium deposits.
Web source
Presence: 4/5
"Aliyar, Isapur, and Kangsabati are all sites of major irrigation dams in India. They are used for water storage, irrigation, and hydroelectric power generation. They are not known for uranium deposits"
Why this source?
  • Repeats the same explanatory claim that these are irrigation dam sites used for water storage and hydroelectric power.
  • Also states they are not known for uranium deposits, supporting the negative answer.

INDIA PEOPLE AND ECONOMY, TEXTBOOK IN GEOGRAPHY FOR CLASS XII (NCERT 2025 ed.) > Chapter 5: Mineral and Energy Resources > Nuclear Energy Resources > p. 61
Strength: 5/5
“Nuclear energy has emerged as a viable source in recent times. Important minerals used for the generation of nuclear energy are uranium and thorium. Uranium deposits occur in the Dharwar rocks. Geographically, uranium ores are known to occur in several locations along the Singbhum Copper belt. It is also found in Udaipur, Alwar and Jhunjhunu districts of Rajasthan, Durg district of Chhattisgarh, Bhandara district of Maharashtra and Kullu district of Himachal Pradesh. Thorium is mainly obtained from monazite and ilmenite in the beach sands along the coast of Kerala and Tamil Nadu. World's richest monazite deposits occur in Palakkad and Kollam districts of Kerala, near Vishakhapatnam in Andhra Pradesh and Mahanadi river delta in Odisha.”
Why relevant

Defines geological settings and named districts where uranium and thorium are known (Dharwar rocks, Singbhum copper belt, and specific districts in Rajasthan, Chhattisgarh, Maharashtra, Himachal).

How to extend

A student can check whether Aliyar, Isapur or Kangsabati lie in any of these named districts or the listed rock types to judge plausibility.

Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 7: Resources > Natural Resources of India > p. 30
Strength: 4/5
“deposits occur in Singhbhum and Hazaribagh districts of Jharkhand, and Gaya district of Bihar, and in sedimentary rocks of Saharanpur district of Uttar Pradesh. The largest source of uranium comprise the monazite sands, both beach and alluvial. Monazite sand rich in uranium is found in Kerala. Some uranium is found in the copper and zinc mines of Udaipur (Rajasthan). The total reserves of uranium as estimated by the Department of Atomic Energy, Government of India, are about 31,000 tonnes. Uranium Corporation of India Limited, exploits the atomic minerals commercially. The important uranium mining centres of India are: (i) Jharkhand–Bagjata, Banduhurang, Bhateen, Jaduguda, Mohuldeeh, Narwapur and Turamdeeh, (ii) Meghalaya-Keleng-Pindeng, Maothabah, Shahiyong, and Vakheen, (iii) Andhra Pradesh-Lambapur, Paddagtu and Tummalapalle.”
Why relevant

Lists principal Indian uranium occurrences (Singhbhum, Hazaribagh, Gaya, Saharanpur) and notes monazite beach/alluvial sands (Kerala) as important uranium sources.

How to extend

One could map Aliyar/Isapur/Kangsabati against these known uranium provinces or coastal/alluvial monazite zones to see if they coincide.

Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 9: Distribution of World Natural Resources > uranium > p. 37
Strength: 4/5
“9.13). Te largest uranium deposit is located at the Olympic Dam Mine in western South Australia (Fig. 9.13). In India, uranium is found in Singhbhum and Hazaribagh districts of Jharkhand, Gaya district of Bihar and in the sedimentary rocks of Saharanpur district of Uttar Pradesh. in the World • Country: 1. Canada; Percentage of Total Production: 30.1 • Country: 2. Australia; Percentage of Total Production: 20.9 • Country: 3. Kazakhstan; Percentage of Total Production: 8.8 • Country: 4. Niger; Percentage of Total Production: 8.5 • Country: 5. Russia; Percentage of Total Production: 8.3 Table 9.23 Uranium-Leading Consumers in the World • Country: 1.”
Why relevant

Reinforces the distribution pattern that Indian uranium is concentrated in Singhbhum/Hazaribagh/Gaya and certain sedimentary rocks.

How to extend

Compare the geological province (e.g., Singhbhum vs other sedimentary basins) of the three places to evaluate if they fit the common uranium distribution.

Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 7: Resources > Table 7.7 > p. 16
Strength: 3/5
“Uranium Uranium and thorium are the main atomic minerals. Uranium is mined at Jaduguda, Bhatin, Narwapahar and Turamdih (Singhbhum East), Jharkhand. Only one kg. of uranium can produce as much electricity as is done by 1500 tonnes of coal. The total uranium reserve of India is 120 thousand metric tonnes.”
Why relevant

Names specific uranium mining centres (Jaduguda, Bhatin, Narwapahar, Turamdih) in Jharkhand as active extraction sites.

How to extend

If Aliyar/Isapur/Kangsabati are distant from these established mining clusters, that is a weak indirect indicator that they are unlikely major new uranium finds.

Statement analysis

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Statement analysis

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Statement analysis

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