1. Which is the largest dam in India by volume?
A) Hirakud Dam
B) Bhakra Nangal Dam
C) Tehri Dam
D) Sardar Sarovar Dam
Answer: A) Hirakud Dam
Explanation: Hirakud Dam, built on the Mahanadi River in Odisha, is the largest dam in India by volume and one of the longest earthen dams in the world.
2. On which river is the Bhakra Nangal Dam constructed?
A) Sutlej
B) Beas
C) Ravi
D) Chenab
Answer: A) Sutlej
Explanation: The Bhakra Nangal Dam is built across the Sutlej River in Himachal Pradesh and Punjab, and plays a key role in irrigation and power generation in North India.
3. The Tehri Dam is located in which Indian state?
A) Uttarakhand
B) Himachal Pradesh
C) Jammu & Kashmir
D) Sikkim
Answer: A) Uttarakhand
Explanation: The Tehri Dam, built on the Bhagirathi River, is located in Uttarakhand and is one of India’s highest dams.
4. Nagarjuna Sagar Dam is constructed on which river?
A) Krishna
B) Godavari
C) Kaveri
D) Tungabhadra
Answer: A) Krishna
Explanation: The Nagarjuna Sagar Dam lies between Telangana and Andhra Pradesh on the Krishna River.
5. Which dam is known as the ‘Life Line of Gujarat’?
A) Ukai Dam
B) Sardar Sarovar Dam
C) Dharoi Dam
D) Kadana Dam
Answer: B) Sardar Sarovar Dam
Explanation: Built on the Narmada River, the Sardar Sarovar Dam provides water and electricity to Gujarat, Rajasthan, Maharashtra, and Madhya Pradesh.
6. Which is the highest dam in India?
A) Hirakud Dam
B) Bhakra Dam
C) Tehri Dam
D) Idukki Dam
Answer: C) Tehri Dam
Explanation: The Tehri Dam (260.5 m high) on the Bhagirathi River is the highest dam in India.
7. Mettur Dam is built across which river?
A) Kaveri
B) Periyar
C) Vaigai
D) Palar
Answer: A) Kaveri
Explanation: Mettur Dam in Tamil Nadu is constructed on the Kaveri River and supports irrigation and hydropower.
8. Which dam is located on the Tungabhadra River?
A) Almatti Dam
B) Tungabhadra Dam
C) Supa Dam
D) Sharavathi Dam
Answer: B) Tungabhadra Dam
Explanation: Tungabhadra Dam, built near Hospet in Karnataka, serves irrigation and power generation.
9. Which river is associated with the Idukki Dam?
A) Periyar
B) Pamba
C) Bharathapuzha
D) Kallada
Answer: A) Periyar
Explanation: The Idukki Arch Dam in Kerala is built on the Periyar River and is one of India’s first arch dams.
10. Bhavanisagar Dam is located in which state?
A) Tamil Nadu
B) Kerala
C) Karnataka
D) Andhra Pradesh
Answer: A) Tamil Nadu
Explanation: The Bhavanisagar Dam is constructed on the Bhavani River in Tamil Nadu and is among the largest earthen dams in the country.
11. Which is the main purpose of the Rihand Dam?
A) Flood control
B) Power generation
C) Irrigation
D) Multi-purpose
Answer: D) Multi-purpose
Explanation: Rihand Dam, built on the Rihand River in Uttar Pradesh, serves irrigation, flood control, and power generation purposes.
12. On which river is the Hirakud Dam constructed?
A) Mahanadi
B) Godavari
C) Krishna
D) Tapti
Answer: A) Mahanadi
Explanation: Hirakud Dam is built on the Mahanadi River near Sambalpur, Odisha.
13. Which dam is associated with the Bhakra Nangal Project?
A) Nangal Dam
B) Pong Dam
C) Pandoh Dam
D) Salal Dam
Answer: A) Nangal Dam
Explanation: The Bhakra and Nangal dams are twin structures on the Sutlej River forming the Bhakra Nangal Project.
14. Which dam is built on the Chambal River?
A) Gandhi Sagar Dam
B) Rana Pratap Sagar Dam
C) Jawahar Sagar Dam
D) All of the above
Answer: D) All of the above
Explanation: All three dams—Gandhi Sagar, Rana Pratap Sagar, and Jawahar Sagar—are built on the Chambal River.
15. Which dam is located in Madhya Pradesh?
A) Bargi Dam
B) Hirakud Dam
C) Ukai Dam
D) Idukki Dam
Answer: A) Bargi Dam
Explanation: Bargi Dam is built on the Narmada River near Jabalpur in Madhya Pradesh.
16. Which dam is known as the ‘Pride of Telangana’?
A) Nagarjuna Sagar Dam
B) Kaleshwaram Dam
C) Srisailam Dam
D) Dummugudem Dam
Answer: B) Kaleshwaram Dam
Explanation: Kaleshwaram Lift Irrigation Project on the Godavari River is one of the world’s largest multi-stage lift irrigation projects.
17. The Srisailam Dam is constructed on which river?
A) Krishna
B) Godavari
C) Tungabhadra
D) Pennar
Answer: A) Krishna
Explanation: Srisailam Dam is built across the Krishna River and lies between Andhra Pradesh and Telangana.
18. Ukai Dam is built on which river?
A) Tapi (Tapti)
B) Narmada
C) Sabarmati
D) Mahi
Answer: A) Tapi (Tapti)
Explanation: Ukai Dam, also called Vallabh Sagar Dam, is constructed on the Tapi River in Gujarat.
19. Which dam is located on the Beas River?
A) Pong Dam
B) Bhakra Dam
C) Ranjit Sagar Dam
D) Salal Dam
Answer: A) Pong Dam
Explanation: Pong Dam, also called Maharana Pratap Sagar, is built on the Beas River in Himachal Pradesh.
20. Which of the following is an earthen dam?
A) Hirakud Dam
B) Bhakra Dam
C) Idukki Dam
D) Sardar Sarovar Dam
Answer: A) Hirakud Dam
Explanation: Hirakud is primarily an earthen dam with a concrete spillway section.
21. Which state houses the Koyna Dam?
A) Maharashtra
B) Karnataka
C) Gujarat
D) Madhya Pradesh
Answer: A) Maharashtra
Explanation: Koyna Dam is built on the Koyna River in Maharashtra and is known for hydropower generation.
22. The Ranjit Sagar Dam is built on which river?
A) Ravi
B) Beas
C) Chenab
D) Sutlej
Answer: A) Ravi
Explanation: Ranjit Sagar Dam (Thein Dam) is located on the Ravi River between Punjab and Jammu & Kashmir.
23. Which dam is located in Kerala on the Bharathapuzha River?
A) Malampuzha Dam
B) Idukki Dam
C) Mullaperiyar Dam
D) Neyyar Dam
Answer: A) Malampuzha Dam
Explanation: Malampuzha Dam, near Palakkad, is constructed on the Bharathapuzha River.
24. Gobind Sagar Lake is associated with which dam?
A) Bhakra Dam
B) Pong Dam
C) Tehri Dam
D) Hirakud Dam
Answer: A) Bhakra Dam
Explanation: Gobind Sagar is the reservoir created by the Bhakra Dam on the Sutlej River.
25. Which dam is associated with the Krishna Raja Sagar (KRS) Project?
A) Mettur Dam
B) Almatti Dam
C) KRS Dam
D) Tungabhadra Dam
Answer: C) KRS Dam
Explanation: Krishna Raja Sagar Dam, built on the Kaveri River near Mysuru, Karnataka, is a key irrigation project constructed under Sir M. Visvesvaraya.
26. Which dam is situated in Assam on the Subansiri River?
A) Gerukamukh Dam
B) Dhansiri Dam
C) Kopili Dam
D) Karbi Langpi Dam
Answer: A) Gerukamukh Dam
Explanation: The Lower Subansiri Hydroelectric Project, often called Gerukamukh Dam, lies on the Subansiri River at the border of Assam and Arunachal Pradesh. It is North East India’s largest hydropower project.
27. Which of the following dams is in Arunachal Pradesh?
A) Ranganadi Dam
B) Teesta Dam
C) Loktak Dam
D) Kol Dam
Answer: A) Ranganadi Dam
Explanation: Ranganadi Dam is built on the Ranganadi River (a tributary of the Subansiri) in Arunachal Pradesh for power generation.
28. The Kangsabati Dam is located in which state
A) Odisha
B) Jharkhand
C) West Bengal
D) Bihar
Answer: C) West Bengal
Explanation: Kangsabati Dam, also known as Mukutmanipur Dam, is constructed on the Kangsabati River in Bankura district, West Bengal.
29. Which of the following dams is built on the Kosi River in Bihar?
A) Bansagar Dam
B) Kosi Barrage
C) Rihand Dam
D) Tilaiya Dam
Answer: B) Kosi Barrage
Explanation: Kosi Barrage (at Hanuman Nagar) controls the Kosi River, which is known as the “Sorrow of Bihar” due to frequent floods.
30. Konar Dam is situated in which state?
A) Jharkhand
B) Bihar
C) Chhattisgarh
D) Odisha
Answer: A) Jharkhand
Explanation: Konar Dam on the Konar River is part of the Damodar Valley Project in Jharkhand.
31. The Maithon Dam is constructed on which river?
A) Damodar
B) Barakar
C) Ajay
D) Subarnarekha
Answer: B) Barakar
Explanation: Maithon Dam is built on the Barakar River near Dhanbad and forms a key part of the Damodar Valley Corporation project.
32. Which is the largest dam in Chhattisgarh?
A) Gangrel Dam
B) Dudhawa Dam
C) Minimata (Bango) Dam
D) Hasdeo Bango Dam
Answer: C) Minimata (Bango) Dam
Explanation: Also known as Hasdeo Bango Dam, it is built on the Hasdeo River and is the largest dam in Chhattisgarh.
33. Which dam in Odisha is constructed on the Brahmani River?
A) Rengali Dam
B) Hirakud Dam
C) Balimela Dam
D) Indravati Dam
Answer: A) Rengali Dam
Explanation: Rengali Dam on the Brahmani River in Odisha is a major multipurpose dam supporting power and irrigation.
34. Balimela Dam is jointly managed by which two states?
A) Odisha and Andhra Pradesh
B) Odisha and Chhattisgarh
C) Telangana and Odisha
D) Odisha and West Bengal
Answer: A) Odisha and Andhra Pradesh
Explanation: Balimela Dam is on the Sileru River (a tributary of the Godavari) and is jointly managed by Odisha and Andhra Pradesh.
35. Indravati Dam is situated in which state?
A) Madhya Pradesh
B) Odisha
C) Chhattisgarh
D) Andhra Pradesh
Answer: B) Odisha
Explanation: Indravati Dam is constructed across the Indravati River in Kalahandi district of Odisha for hydropower and irrigation.
36. Which dam is in Andhra Pradesh on the Godavari River?
A) Polavaram Dam
B) Srisailam Dam
C) Nagarjuna Sagar Dam
D) Almatti Dam
Answer: A) Polavaram Dam
Explanation: Polavaram is a multi-purpose national project on the Godavari River in Andhra Pradesh for irrigation and power generation.
37. Almatti Dam is constructed on which river?
A) Krishna
B) Tungabhadra
C) Kaveri
D) Bhima
Answer: A) Krishna
Explanation: Almatti Dam in Karnataka is on the Krishna River and forms a key part of the Upper Krishna Project.
38. Which dam is the largest in Karnataka by storage capacity?
A) Tungabhadra Dam
B) Almatti Dam
C) Linganamakki Dam
D) KRS Dam
Answer: C) Linganamakki Dam
Explanation: Linganamakki Dam on the Sharavathi River in Shimoga district is the largest storage dam in Karnataka and supports the Jog Falls hydropower station.
39. Which dam is built on the Periyar River but operated by Tamil Nadu in Kerala?
A) Mullaperiyar Dam
B) Idukki Dam
C) Peechi Dam
D) Neyyar Dam
Answer: A) Mullaperiyar Dam
Explanation: Mullaperiyar Dam is in Kerala but leased to Tamil Nadu for irrigation in southern districts of the state.
40. Banasura Sagar Dam is in which district of Kerala?
A) Wayanad
B) Idukki
C) Thrissur
D) Pathanamthitta
Answer: A) Wayanad
Explanation: Banasura Sagar Dam in Wayanad is India’s largest earth dam and Asia’s second largest of its kind.
41. Which is the major dam in Goa?
A) Anjunem Dam
B) Selaulim Dam
C) Virdi Dam
D) Salaulim Dam
Answer: B) Selaulim Dam
Explanation: Selaulim Dam on the Selaulim River (South Goa) is Goa’s largest water project.
42. Which of the following is a major dam in Maharashtra?
A) Koyna Dam
B) Jayakwadi Dam
C) Ujjani Dam
D) All of the above
Answer: D) All of the above
Explanation: Maharashtra has several large dams — Koyna (on Koyna River), Jayakwadi (on Godavari), and Ujjani (on Bhima).
43. Which dam is known as the Jayakwadi Dam Project?
A) Godavari River Project
B) Krishna River Project
C) Mahanadi Project
D) Tapi River Project
Answer: A) Godavari River Project
Explanation: Jayakwadi Dam is constructed on the Godavari River near Paithan in Maharashtra for irrigation and drinking water supply.
44. Which dam is built on the Mahi River in Rajasthan?
A) Mahi Bajaj Sagar Dam
B) Rana Pratap Sagar Dam
C) Gandhi Sagar Dam
D) Bisalpur Dam
Answer: A) Mahi Bajaj Sagar Dam
Explanation: Mahi Bajaj Sagar Dam in Banswara district is Rajasthan’s largest dam, built on the Mahi River.
45. Which dam in Rajasthan is built on the Banas River?
A) Bisalpur Dam
B) Rana Pratap Sagar Dam
C) Jawahar Sagar Dam
D) Kota Barrage
Answer: A) Bisalpur Dam
Explanation: Bisalpur Dam on the Banas River provides drinking water to Jaipur and Ajmer.
46. Which is the largest dam in Gujarat?
A) Ukai Dam
B) Sardar Sarovar Dam
C) Kadana Dam
D) Dharoi Dam
Answer: B) Sardar Sarovar Dam
Explanation: Sardar Sarovar Dam on the Narmada River is the largest in Gujarat and one of India’s major multi-state projects.
47. Kadana Dam is built on which river in Gujarat?
A) Mahi
B) Sabarmati
C) Narmada
D) Tapi
Answer: A) Mahi
Explanation: Kadana Dam is a multi-purpose project on the Mahi River in Gujarat for power and irrigation.
48. Which dam is located in Madhya Pradesh on the Betwa River?
A) Rajghat Dam
B) Bargi Dam
C) Tawa Dam
D) Bansagar Dam
Answer: A) Rajghat Dam
Explanation: Rajghat Dam is built on the Betwa River on the MP-UP border as a joint project for irrigation and water supply.
49. Bansagar Dam is built on which river?
A) Sone River
B) Betwa River
C) Narmada River
D) Chambal River
Answer: A) Sone River
Explanation: Bansagar Dam on the Sone River in Madhya Pradesh is a joint venture among MP, UP, and Bihar.
50. Tawa Dam is constructed on which river?
A) Tawa River
B) Narmada River
C) Chambal River
D) Betwa River
Answer: A) Tawa River
Explanation: Tawa Dam in Madhya Pradesh is built on the Tawa River, a tributary of the Narmada, supporting irrigation in the Hoshangabad region.
51. Which dam is built on the Sutlej River?
A) Bhakra Dam
B) Pong Dam
C) Salal Dam
D) Tehri Dam
Answer: A) Bhakra Dam
Explanation: Bhakra Dam in Himachal Pradesh, built across the Sutlej River, is one of India’s highest gravity dams, forming Gobind Sagar Lake.
52. Pong Dam is also known by which other name?
A) Maharana Pratap Sagar Dam
B) Gobind Sagar Dam
C) Kishanganga Dam
D) Bansagar Dam
Answer: A) Maharana Pratap Sagar Dam
Explanation: Pong Dam on the Beas River in Himachal Pradesh is officially called Maharana Pratap Sagar Dam.
53. Which dam is built on the Chenab River?
A) Salal Dam
B) Baglihar Dam
C) Dul Hasti Dam
D) All of the above
Answer: D) All of the above
Explanation: Salal, Baglihar and Dul Hasti Dams are major hydroelectric projects on the Chenab River in Jammu & Kashmir.
54. On which river is the Rihand Dam constructed?
A) Rihand River
B) Sone River
C) Narmada River
D) Damodar River
Answer: A) Rihand River
Explanation: Rihand Dam (Lake Govind Ballabh Pant Sagar) is built on the Rihand River, a tributary of the Sone in Uttar Pradesh.
55. Which dam is built on the Sone River?
A) Bansagar Dam
B) Indravati Dam
C) Dantiwada Dam
D) Ranganadi Dam
Answer: A) Bansagar Dam
Explanation: Bansagar Dam is a joint project of Madhya Pradesh, Uttar Pradesh and Bihar on the Sone River for irrigation and power generation.
56. Which dam is built on the Godavari River in Telangana?
A) Sri Ram Sagar Dam
B) Kaleshwaram Project
C) Polavaram Dam
D) Both A and B
Answer: D) Both A and B
Explanation: Sri Ram Sagar and Kaleshwaram Dams are both constructed on the Godavari River in Telangana for irrigation and drinking water.
57. Which of the following dams is built on the Krishna River?
A) Almatti Dam
B) Srisailam Dam
C) Nagarjuna Sagar Dam
D) All of the above
Answer: D) All of the above
Explanation: All these major multi-purpose projects are located on the Krishna River in Karnataka and Andhra Pradesh.
58. The Mettur Dam in Tamil Nadu is constructed on which river?
A) Kaveri
B) Bhavani
C) Periyar
D) Vaigai
Answer: A) Kaveri
Explanation: Mettur Dam on the Kaveri River is one of India’s oldest multi-purpose dams (since 1934).
59. Which dam is located on the Kaveri River near Mysuru?
A) Krishna Raja Sagar (KRS) Dam
B) Mettur Dam
C) Kabini Dam
D) Banasura Dam
Answer: A) KRS Dam
Explanation: KRS Dam, built under Sir M. Visvesvaraya, forms the Krishna Raja Sagara Lake for irrigation and power in Karnataka.
60. On which river is the Kabini Dam built?
A) Kabini River
B) Kaveri River
C) Hemavati River
D) Palar River
Answer: A) Kabini River
Explanation: Kabini Dam in Karnataka is constructed on the Kabini River, a tributary of the Kaveri.
61. Which is the biggest dam on the Mahanadi River?
A) Hirakud Dam
B) Rengali Dam
C) Tikarpada Dam
D) Dudhawa Dam
Answer: A) Hirakud Dam
Explanation: Hirakud Dam in Odisha is built across the Mahanadi and forms Asia’s largest man-made lake.
62. Which dam is built on the Tapi River?
A) Ukai Dam
B) Kadana Dam
C) Mahi Bajaj Sagar Dam
D) Dantiwada Dam
Answer: A) Ukai Dam
Explanation: Ukai Dam (Vallabh Sagar) on the Tapi River in Gujarat is the second largest reservoir in the state after Sardar Sarovar.
63. Which dam is on the Narmada River?
A) Sardar Sarovar Dam
B) Omkareshwar Dam
C) Indira Sagar Dam
D) All of the above
Answer: D) All of the above
Explanation: All three dams are built on the Narmada River for power generation and irrigation in MP and Gujarat.
64. Which dam is located on the Chambal River in Madhya Pradesh?
A) Gandhi Sagar Dam
B) Rana Pratap Sagar Dam
C) Jawahar Sagar Dam
D) All of the above
Answer: A) Gandhi Sagar Dam
Explanation: Gandhi Sagar Dam is the first in the Chambal Project chain of dams shared by MP and Rajasthan.
65. Rana Pratap Sagar Dam is located in which state?
A) Rajasthan
B) Madhya Pradesh
C) Uttar Pradesh
D) Gujarat
Answer: A) Rajasthan
Explanation: Rana Pratap Sagar Dam on the Chambal River is located in Rajasthan and supports hydropower generation.
66. Which dam is built on the Betwa River jointly by MP and UP?
A) Rajghat Dam
B) Matatila Dam
C) Parichha Dam
D) Both A and B
Answer: D) Both A and B
Explanation: Rajghat and Matatila Dams are jointly constructed by Madhya Pradesh and Uttar Pradesh on the Betwa River.
67. Which dam is constructed on the Sutlej River for hydropower?
A) Karcham Wangtoo Dam
B) Nathpa Jhakri Dam
C) Bhakra Dam
D) All of the above
Answer: D) All of the above
Explanation: All three are major hydroelectric projects on the Sutlej River in Himachal Pradesh.
68. Which is the main dam on the Indus River system in India?
A) Bhakra Dam
B) Uri Dam
C) Baglihar Dam
D) Tulbul Navigation Project
Answer: C) Baglihar Dam
Explanation: Baglihar Dam on the Chenab River is part of the Indus system and was built after Indus Waters Treaty provisions.
69. Which river hosts the Sardar Sarovar Project?
A) Narmada
B) Godavari
C) Tapti
D) Mahi
Answer: A) Narmada
Explanation: Sardar Sarovar Project on the Narmada River is one of India’s largest multi-state water projects.
70. Which dam in Kerala is known for the Idukki Arch Hydroelectric Project?
A) Idukki Dam
B) Cheruthoni Dam
C) Kulamavu Dam
D) All of the above
Answer: D) All of the above
Explanation: The Idukki project consists of three dams – Idukki (arch), Cheruthoni and Kulamavu – across the Periyar River.
71. Which dam is located on the Periyar River but managed by Tamil Nadu?
A) Mullaperiyar Dam
B) Peechi Dam
C) Malampuzha Dam
D) Kundala Dam
Answer: A) Mullaperiyar Dam
Explanation: Mullaperiyar Dam (1895) is in Kerala but under Tamil Nadu administration as per a long-term lease agreement.
72. Which is the largest dam in the North-East region of India?
A) Ranganadi Dam
B) Subansiri Lower Dam
C) Doyang Dam
D) Umtru Dam
Answer: B) Subansiri Lower Dam
Explanation: Subansiri Lower (2000 MW) on the Arunachal–Assam border is the largest hydropower project in North-East India.
73. Which dam in Himachal Pradesh is on the Beas River?
A) Pandoh Dam
B) Bhakra Dam
C) Tehri Dam
D) Kol Dam
Answer: A) Pandoh Dam
Explanation: Pandoh Dam diverts the Beas River into the Sutlej for power generation through the Beas–Sutlej Link Project.
74. Which dam is located on the Sutlej River and is India’s largest hydro-power station (1500 MW)?
A) Nathpa Jhakri Dam
B) Karcham Wangtoo Dam
C) Bhakra Dam
D) Pandoh Dam
Answer: A) Nathpa Jhakri Dam
Explanation: Nathpa Jhakri Hydroelectric Station on the Sutlej is India’s largest hydropower project by capacity.
75. Which dam was constructed on the Vaigai River?
A) Vaigai Dam
B) Mettur Dam
C) Papanasam Dam
D) Bhavanisagar Dam
Answer: A) Vaigai Dam
Explanation: Vaigai Dam near Theni, Tamil Nadu, built across the Vaigai River, supports irrigation and drinking water for Madurai region.
76. Which dam project is India’s largest lift irrigation project?
A) Polavaram Dam
B) Kaleshwaram Project
C) Nagarjuna Sagar Dam
D) Almatti Dam
Answer: B) Kaleshwaram Project
Explanation: The Kaleshwaram Lift Irrigation Project on the Godavari River in Telangana is the world’s largest multi-stage lift irrigation system.
77. Which dam is also known as “Thein Dam”?
A) Ranjit Sagar Dam
B) Pong Dam
C) Salal Dam
D) Baglihar Dam
Answer: A) Ranjit Sagar Dam
Explanation: Ranjit Sagar Dam, also called Thein Dam, is built on the Ravi River between Punjab and Jammu & Kashmir.
78. Which dam is known as the “Lifeline of Tamil Nadu”?
A) Mettur Dam
B) Bhavanisagar Dam
C) Mullaperiyar Dam
D) Vaigai Dam
Answer: A) Mettur Dam
Explanation: Mettur Dam on the Kaveri River is the largest in Tamil Nadu and crucial for irrigation in the Cauvery delta region.
79. Which of the following dams is located in Jammu & Kashmir?
A) Baglihar Dam
B) Salal Dam
C) Dul Hasti Dam
D) All of the above
Answer: D) All of the above
Explanation: All these dams are major hydroelectric projects in Jammu & Kashmir on the Chenab River system.
80. The Kol Dam project is constructed on which river?
A) Sutlej
B) Beas
C) Yamuna
D) Ganga
Answer: A) Sutlej
Explanation: Kol Dam in Himachal Pradesh is built on the Sutlej River and operated by NTPC for hydropower generation.
81. Which dam is famous for Jog Falls?
A) Linganamakki Dam
B) Sharavathi Dam
C) Supa Dam
D) Almatti Dam
Answer: A) Linganamakki Dam
Explanation: Linganamakki Dam on the Sharavathi River helps regulate water flow to create the famous Jog Falls in Karnataka.
82. Which dam is located near Mumbai and supplies water to the city?
A) Bhatsa Dam
B) Vaitarna Dam
C) Tansa Dam
D) All of the above
Answer: D) All of the above
Explanation: Bhatsa, Vaitarna, and Tansa Dams are the main water sources for Mumbai city.
83. Which dam in Kerala forms Asia’s second-largest earthen dam?
A) Banasura Sagar Dam
B) Idukki Dam
C) Mullaperiyar Dam
D) Peechi Dam
Answer: A) Banasura Sagar Dam
Explanation: Banasura Sagar Dam in Wayanad district is Asia’s second-largest earthen dam, built on the Karamanathodu tributary of the Kabini River.
84. The Hirakud Dam is approximately how long?
A) 4.8 km
B) 8.5 km
C) 25.8 km
D) 56 km
Answer: C) 25.8 km
Explanation: Hirakud Dam, stretching 25.8 km, is one of the world’s longest earthen dams.
85. Which dam in India was the first to be constructed after independence?
A) Hirakud Dam
B) Bhakra Nangal Dam
C) Nagarjuna Sagar Dam
D) KRS Dam
Answer: A) Hirakud Dam
Explanation: Hirakud Dam (inaugurated in 1957) on the Mahanadi River was the first major multipurpose river valley project after Indian independence.
86. Which dam in Gujarat has four states sharing its water?
A) Ukai Dam
B) Kadana Dam
C) Sardar Sarovar Dam
D) Dharoi Dam
Answer: C) Sardar Sarovar Dam
Explanation: The Sardar Sarovar Project on the Narmada River benefits Gujarat, Maharashtra, Rajasthan, and Madhya Pradesh.
87. Which dam was built by the famous engineer Sir M. Visvesvaraya?
A) KRS Dam
B) Hirakud Dam
C) Bhakra Nangal Dam
D) Rihand Dam
Answer: A) KRS Dam
Explanation: The Krishna Raja Sagar Dam on the Kaveri River was engineered under the supervision of Sir M. Visvesvaraya in Mysuru, Karnataka.
88. Which dam forms the Gobind Sagar Reservoir?
A) Bhakra Dam
B) Pong Dam
C) Ranjit Sagar Dam
D) Tehri Dam
Answer: A) Bhakra Dam
Explanation: Gobind Sagar Reservoir was created by the Bhakra Dam on the Sutlej River, named after Guru Gobind Singh.
89. Which dam supplies water to Delhi?
A) Bhakra Dam
B) Hathni Kund Barrage
C) Tehri Dam
D) All of the above
Answer: D) All of the above
Explanation: Delhi receives water mainly from Bhakra, Hathni Kund, and Tehri Dams via river diversions.
90. Which dam is often in news for interstate disputes between Karnataka and Tamil Nadu?
A) Mettur Dam
B) KRS Dam
C) Mullaperiyar Dam
D) Almatti Dam
Answer: B) KRS Dam
Explanation: The Krishna Raja Sagar (KRS) Dam and Mettur Dam are central to the long-standing Cauvery River water-sharing dispute between Karnataka and Tamil Nadu.
91. Which is the largest reservoir in India by storage capacity?
A) Indira Sagar Dam
B) Sardar Sarovar Dam
C) Hirakud Dam
D) Tehri Dam
Answer: A) Indira Sagar Dam
Explanation: Indira Sagar Dam on the Narmada River in Madhya Pradesh has the largest reservoir in India by storage capacity (12.22 billion cubic meters).
92. Which dam is a joint venture between Andhra Pradesh and Odisha
A) Balimela Dam
B) Srisailam Dam
C) Nagarjuna Sagar Dam
D) Polavaram Dam
Answer: A) Balimela Dam
Explanation: Balimela Dam on the Sileru River is a joint project of Odisha and Andhra Pradesh.
93. Which is the main purpose of the Tehri Dam Project?
A) Irrigation
B) Power generation and flood control
C) Drinking water
D) All of the above
Answer: D) All of the above
Explanation: Tehri Dam serves multiple purposes: hydroelectric power, flood control, irrigation, and water supply for Delhi and UP.
94. Which dam is in the news due to environmental concerns over the Narmada Valley?
A) Sardar Sarovar Dam
B) Bargi Dam
C) Tawa Dam
D) Indira Sagar Dam
Answer: A) Sardar Sarovar Dam
Explanation: The Sardar Sarovar Project on the Narmada River faced significant protests from the Narmada Bachao Andolan for environmental and rehabilitation issues.
95. The Pong Dam is located in which district of Himachal Pradesh?
A) Kangra
B) Mandi
C) Kullu
D) Shimla
Answer: A) Kangra
Explanation: Pong Dam (Maharana Pratap Sagar) is located in Kangra district, Himachal Pradesh, and also serves as a bird sanctuary.
96. Which dam is associated with the “Nagarjuna Sagar National Park”?
A) Nagarjuna Sagar Dam
B) Srisailam Dam
C) Polavaram Dam
D) Almatti Dam
Answer: B) Srisailam Dam
Explanation: The Srisailam Dam on the Krishna River lies within the Nagarjuna Sagar–Srisailam Tiger Reserve region.
97. Which dam is located near Bhopal, Madhya Pradesh?
A) Tawa Dam
B) Kerwa Dam
C) Bargi Dam
D) Rajghat Dam
Answer: B) Kerwa Dam
Explanation: Kerwa Dam, near Bhopal, is a small dam used for city water supply and eco-tourism.
98. Which state has the maximum number of dams in India
A) Maharashtra
B) Madhya Pradesh
C) Gujarat
D) Karnataka
Answer: A) Maharashtra
Explanation: Maharashtra has the highest number of dams in India — over 2,300 dams, mainly for irrigation.
99. Which dam forms the famous “Loktak Hydroelectric Project” in Manipur?
A) Ithai Barrage
B) Khoupum Dam
C) Tipaimukh Dam
D) Mapithel Dam
Answer: A) Ithai Barrage
Explanation: Ithai Barrage on the Manipur River forms Loktak Lake and supports the Loktak Hydroelectric Project.
100. Which dam is planned to be India’s tallest concrete gravity dam (under construction)?
A) Dibang Dam
B) Subansiri Lower Dam
C) Tehri Dam
D) Polavaram Dam
Answer: A) Dibang Dam
Explanation: The Dibang Dam in Arunachal Pradesh (under construction) on the Dibang River will be India’s tallest dam (278 meters) when completed.