ZE
ZESTEXAM

UP Police SI Dams & Rivers

Study Material · Concept Notes · Shortcuts

This page covers UP Police SI Dams & Rivers with complete concept notes, 38 graded practice MCQs, key points and exam-specific tips. Free to study.

0 PYQs
none yet
38 Practice
MCQs
8 Key Points
to remember
Free
no login needed
Take Free Mock →Full Practice Set
Also for:CRPF ConstBSF ConstCISF ConstITBP Const
PYQs
0
Practice
38
Key Points
8
Access
Free
Concept Notes

Dams & Rivers— Rules & Concept

Core ConceptRead this first — the foundation of the topic
Core Concept

A dam is a barrier built across rivers to store water, control floods, or generate electricity. India has numerous multipurpose dams built on major rivers for irrigation, power generation, and water supply

Key Classification of Dams

By Height: Large dams (above 15m), Major dams (above 150m) 2. By Purpose: Irrigation, Hydroelectric, Multipurpose 3. By Construction: Concrete, Earth-fill, Rock-fill Major River Systems and Their Dams: Ganga System: Tehri Dam (Bhagirathi), Farakka Barrage (Ganga) Godavari System: Pochampad Dam, Sriramsagar Dam Krishna System: Nagarjuna Sagar, Srisailam Dam Narmada System: Sardar Sarovar Dam, Omkareshwar Dam Cauvery System: Mettur Dam, Krishnaraja Sagar

Exam PatternsWhat examiners ask — read before attempting PYQs

SSC CGL typically asks 2-3 questions on dams and rivers. Common question types include: - Which river does XYZ dam built on? - Tallest/Largest dam in India - State-wise dam locations - Multipurpose river projects Memory Trick - 'BIG DAMS': B - Bhakra (Sutlej) - Himachal Pradesh I - Idukki (Periyar) - Kerala G - Gandhi Sagar (Chambal) - Madhya Pradesh D - Damodar Valley Corporation - Jharkhand A - Almatti (Krishna) - Karnataka M - Mettur (Cauvery) - Tamil Nadu S - Sardar Sarovar (Narmada) - Gujarat

Worked ExampleSolve this step-by-step before moving on
1
Step 1

Recall the dam name - Bhakra Nangal

2
Step 2

Apply RIVER-STATE connection

3
Step 3

Bhakra Nangal = Sutlej River = Himachal Pradesh

4
Step 4

Additional fact - It's India's second tallest dam (226m) Answer: Sutlej River, Himachal Pradesh State-wise Distribution Shortcut: South India: Karnataka (Krishna river dams), Tamil Nadu (Cauvery dams) West India: Gujarat (Narmada dams), Maharashtra (Godavari dams) North India: Himachal Pradesh (Sutlej system), Uttarakhand (Ganga system) East India: West Bengal (Damodar system), Odisha (Mahanadi system)

Exam TrapsCommon mistakes students make — avoid these

Confusing Tehri Dam location - It's in Uttarakhand, not Himachal Pradesh

Mixing up Hirakud (Mahanadi-Odisha) with Sardar Sarovar (Narmada-Gujarat)

Remember: Tallest dam is Tehri (260m), not Bhakra Nangal Multipurpose Projects: These serve irrigation, power generation, flood control, and navigation. Examples include Damodar Valley Corporation, Bhakra Nangal, and Hirakud. Focus on dam-river-state trinity for maximum exam scoring. Create mental maps linking rivers to their major dams and respective states.

Key Points to Remember

  • Tehri Dam on Bhagirathi River is India's tallest dam at 260 meters height
  • Hirakud Dam on Mahanadi River in Odisha is India's longest dam
  • Sardar Sarovar Dam on Narmada River is Gujarat's largest multipurpose project
  • Bhakra Nangal Dam on Sutlej River serves Punjab, Haryana, and Rajasthan
  • Mettur Dam on Cauvery River is Tamil Nadu's largest reservoir
  • Nagarjuna Sagar on Krishna River spans Telangana and Andhra Pradesh border
  • Damodar Valley Corporation covers multiple dams in Jharkhand and West Bengal
  • Gandhi Sagar Dam on Chambal River is located in Madhya Pradesh

Exam-Specific Tips

  • Tehri Dam height: 260 meters, located in Uttarakhand on Bhagirathi River
  • Hirakud Dam length: 25.8 km, built on Mahanadi River in Odisha
  • Sardar Sarovar Dam height: 163 meters, Narmada River, Gujarat
  • Bhakra Nangal Dam height: 226 meters, Sutlej River, Himachal Pradesh
  • Mettur Dam built in 1934 on Cauvery River in Tamil Nadu
  • Nagarjuna Sagar Dam world's largest masonry dam on Krishna River
  • Idukki Dam arch dam on Periyar River in Kerala with 168m height
  • Almatti Dam on Krishna River in Karnataka completed in 2005
Practice MCQs

Dams & Rivers — Practice Questions

38graded MCQs · easy to hard · full solution & trap analysis · showing 20 of 38

All MCQs →
Practice 1easy

Which dam is built on the Mahanadi River?

Practice 2easy

The Bhakra Nangal Dam is constructed on which river?

Practice 3easy

Which of the following is the longest river in India?

Practice 4easy

The Godavari River, also known as the 'Dakshina Ganga', originates from which location?

Practice 5easy

Which of the following is the longest river in India by length?

Practice 6easy

The Tehri Dam is constructed on which river?

Practice 7easy

Which river is known as the 'Daksin Ganga' (South Ganga)?

Practice 8easy

Which of the following dams is built on the Narmada River?

Practice 9easy

Which dam is the highest dam in India?

Practice 10easy

The Bhakra Nangal Dam is constructed on which river?

Practice 11easy

The Nagarjuna Sagar Dam is built on which river?

Practice 12easy

Which of the following dams is built on the Narmada River?

Practice 13easy

The Brahmaputra River originates from which mountain range?

Practice 14medium

The Hirakud Dam, one of the longest dams in the world, is located on which river in India?

Practice 15medium

Which of the following dams is constructed across the Narmada River?

Practice 16medium

On which river is the Bhakra Nangal Dam, the highest gravity dam in India, built?

Practice 17medium

The Godavari River, the second-longest river in India, originates from which mountain range?

Practice 18medium

Which of the following is the longest tributary of the Ganges River?

Practice 19medium

The Bhakra Nangal Dam is constructed across which river in India?

Practice 20medium

The Tehri Dam, one of India's highest dams, is located on which river?

18 more practice questions in the Study Panel

Difficulty-graded, bookmarkable, with timed mode. Free account — no credit card.

Create Free Account →Browse Questions

60-Second Revision — Dams & Rivers

  • Remember: Tehri (260m) tallest, Hirakud longest, Sardar Sarovar on Narmada
  • Trick: BHAKRA = Sutlej + Himachal Pradesh, serves 3 states
  • South focus: Mettur-Cauvery-TN, Nagarjuna Sagar-Krishna-border
  • Formula: Dam name + River + State = 90% dam questions covered
  • Trap: Don't confuse Tehri (Uttarakhand) with other Himalayan dams
  • Key multipurpose: DVC, Bhakra Nangal, Hirakud serve multiple purposes
  • State pattern: Gujarat-Narmada, Odisha-Mahanadi, Karnataka-Krishna connections
←National Parks & Wildlife SanctuariesAwards & Honours→
Studied the notes? Now test yourself
See how Dams & Rivers appears in the real UP Police SI paper
Full timed mock · Instant All-India percentile · Free
Start Free Mock →Practice Panel
✓ Free forever for basic prep✓ No app download✓ Real exam-pattern questions✓ 12,000+ aspirants
Test Dams & Rivers under exam conditions
Free UP Police SI mock · instant rank · no login
Free Mock →