Why Water Is Renewable
One sentence answers the exercise.
↳ The cycle is the reason, so name the cycle.
📚 Chapter Learning Kit
Water Resources · Class 10 Geography
English 5 topics 225 leveled MCQs 100 flashcards 4 games Free
Shared by a Veda teacher · Generated with Veda AI · Sep 2026
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The whole idea, one bite at a time
Veda Bites are swipeable micro-lessons — each one teaches exactly one idea. Here's a taste from this kit; the app has the full deck.
Three-Fourths, and a Small Proportion
Plenty of water, very little usable.
Water covers three-quarters of the planet’s surface, and only a very small share of that is fresh water we can actually use.
↳ Abundance overall is not availability where people live.
Scarcity Is Not Low Rainfall
The picture in our heads is wrong.
We picture deserts and long walks with matkas. Availability does vary with seasonal and annual precipitation — but that is not the main cause.
↳ All three named causes are human, not climatic.
What a Dam Is
The word means the water, not the wall.
↳ Name the barrier and the reservoir it creates.
The Spillway
A dam is built to let water through.
Most dams have a section called a spillway or weir over or through which water is intended to flow, either intermittently or continuously.
↳ Controlled release is part of the design.
How Dams Are Classified
Three ways to sort a dam.
↳ Structure, purpose, height — three bases, not one.
📖 Smart notes
What you'll study, topic by topic
1
Water Scarcity, and Why It Happens Where There Is Water
How the hydrological cycle makes water renewable, why scarcity is caused mainly by over-exploitation, excessive use and unequal access rather than by low rainfall, how pollution creates scarcity of a different kind, and…
- Three-fourths of the earth's surface is covered with water, but only a small proportion of it is freshwater that can be put to use
- Freshwater is mainly obtained from surface run off and ground water, which are continually renewed and recharged through the hydrological cy…
- All water moves within the hydrological cycle, and this is what ensures that water is a renewable resource
~22 min · full explanation, examples & memory tricks in the app
2
Multi-Purpose River Projects and Integrated Water Management
What a dam actually is, the ancient tradition of hydraulic structures it continues, the seven purposes a modern dam serves, the projects Nehru called the temples of modern India, and the schemes that carry the idea forwa…
- From ancient times India has built sophisticated hydraulic structures — dams of stone rubble, reservoirs or lakes, embankments and canals fo…
- A dam is a wall thrown across running water that blocks, steers or slows it, usually leaving a reservoir, lake or impoundment behind
- The word dam refers to the reservoir rather than to the structure, and most dams have a spillway or weir through which water is intended to…
~22 min · full explanation, examples & memory tricks in the app
3
Why Large Dams Came Under Scrutiny
What damming does to a river and its life, to the land around it, and to the people near it; the irony of flood control projects that triggered floods; and how to set the advantages against the disadvantages in a board a…
- Multi-purpose projects and large dams have lately met hard questioning and organised opposition, on several different grounds
- Controlling and damming a river disturbs the way it naturally runs: sediment stops moving downstream and piles up instead on the reservoir f…
- The result is rockier stream beds and poorer habitats for the rivers' aquatic life
~22 min · full explanation, examples & memory tricks in the app
4
India's Major Rivers and Dams — the Map Work
The eight dams the board can ask you to locate, the rivers and states they belong to, the other dams shown alongside them, and how a map question is set and marked.
- The chapter's map, India: Major Rivers and Dams, carries the dams the board may ask you to locate
- Salal stands on the Chenab in Jammu and Kashmir, the northernmost of the eight
- Bhakra Nangal stands on the Satluj on the Punjab-Himachal border, in the Sutluj-Beas basin named in the text
~20 min · full explanation, examples & memory tricks in the app
5
Rainwater Harvesting, Traditional and Modern
The methods people built for their own rainfall and soil — guls, inundation channels, khadins, johads and the tankas of Rajasthan — and how rooftop harvesting is being adapted today in Tamil Nadu, Shillong, Gendathur and…
- Given the disadvantages of and rising resistance to multi-purpose projects, water harvesting was seen as a viable alternative, both socio-ec…
- People knew their rainfall patterns and their soils thoroughly, and built methods of catching rain, groundwater, river water and flood water…
- In hill and mountainous regions people built diversion channels called guls or kuls in the Western Himalayas for agriculture
~24 min · full explanation, examples & memory tricks in the app
❓ Leveled MCQ practice
Try the smart MCQs from this kit
225 questions laddered from warm-up to topper-level, each with an explanation. A taste:
A city stands on a large perennial river yet rations water to its outer wards every summer. Which explanation fits the chapter best?
Advanced
A The river must be drying up because of falling rainfall
B Rivers cannot supply cities without dams being built first
C The city must lie in a drought prone region
D Scarcity can arise from a large and growing population, greater demands and unequal access even where water resources are ample
Show answer & explanation
Scarcity can arise from a large and growing population, greater demands and unequal access even where water resources are ample
The chapter names cities as its own example of ample water alongside scarcity.
Two districts receive the same heavy rainfall. In one, every stream is fouled by factory effluent and farm chemicals. How should each be classified?
Advanced
A The polluted district suffers water scarcity, because the water there is hazardous for human use
B Both are free of water scarcity because rainfall is high
C Both suffer water scarcity because rainfall alone is never enough
D Neither can be classified without knowing the population
Show answer & explanation
The polluted district suffers water scarcity, because the water there is hazardous for human use
Scarcity is about usable water, so quality can create it where quantity does not.
A farmer's tube-well raises his yield for several seasons, after which he must drill deeper each year and his neighbours' wells run dry. Which consequence does the chapter name?
Intermediate
A Increased surface run off into the nearest river
B A rise in the annual precipitation of the district
C Falling groundwater levels, adversely affecting water availability and food security
D Improved recharge through the hydrological cycle
Show answer & explanation
Falling groundwater levels, adversely affecting water availability and food security
Over-exploitation draws more than the cycle recharges.
Read the Assertion and Reason and choose the correct option. Assertion (A): Water is described as a renewable resource. Reason (R): All water moves within the hydrological cycle, which continually renews and recharges surface run off and ground water.
Intermediate
A Both A and R are true, and R is the correct explanation of A
B Both A and R are true, but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true
Show answer & explanation
Both A and R are true, and R is the correct explanation of A
The cycle is exactly why the resource counts as renewable.
🃏 Flashcards
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100 flashcards in this kit — the app reviews them with spaced repetition so the right card returns on the right day.
🎮 Learning games
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Word Match
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