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1. Water Resources
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ICSE Geography
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2. Syllabus
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Water resources in India.
Importance of Irrigation.
Means of irrigation• Wells
• Canals
• Tanks
Draw backs of conventional means of irrigation
Modern Means of irrigation
Need to conserve water
Rain Water Harvesting
Recharging groundwater aquifers

3. Importance of Irrigation
Questions
Answers
How is the salty (brackish)
water available in Kerala;
Odisha and Bengal used?
The Salty water in Kerala, Odisha
and W. Bengal is used for fishing
and irrigation of certain crops like
Paddy, coconut, etc.
What is Irrigation?
Irrigation refers to the process of
watering of agricultural plants
through artificial means from
wells, tanks, tube-wells, canals, etc.
In India about 92 % of water is used
for agriculture, 2 % for industries,
What is the utilization
distribution of Water in India? and 6 % for drinking and domestic
purposes.

4. Importance of Irrigation
Questions
Answers
What is the success mantra
for dry farming?
The Success of dry farming depends
on moisture conservation practices
and judicious use of available water
for irrigation.
Give reasons – increase in
irrigation potential was
regarded as one of the
prerequisites for agricultural
development in the country’
The irrigation potential was regarded
as one of the prerequisite, because of 1. Uncertainty of Rainfall
2. Uneven Distribution of Rainfall
3. Crop requirements
4. Nature of the soil
5. Utilize River water Effectively
6. To maximise Production

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6. Importance of Irrigation
Questions
Answers
Irrigation is the only means to
supplement rain water, because –
i.
Give reasons – ‘Irrigation is
the only means to supplement
rain water to raise crop’
ii.
iii.
iv.
The rainfall in India is highly
irregular in place and time
Sometimes monsoon arrives
early and at times it comes late.
The continuity, rhythm &
intensity of rainfall is uncertain
in India.
Rainfall is not regular
throughout the rainy season
leading to the water scarcity and
withering of crops

7. Means of Irrigation - Well
Questions
Answers
What is Inclined plane
method of water lifting, and
where it is used?
• This method also known as ‘mhote’
– where pair of bullocks move down
inclined plane, pulling a water filled
leather bucket from well and
discharging in cannels.
• Once, bucket is empty, the bullock
walks up the slope and bucket goes
back in well.
• The process is repeated again &
again to irrigate fields.
Where is the power driven
pump used?
• The Power driven pumps (tube
wells) lift water from tube wells of
the depths beyond 15 m.

8. Advantages of - Canals
Questions
Answers
1. Perennial canals provides
water whenever needed.
List the advantages of Canal
in irrigation.
2. Water in Canals is rich in
sediment brought by rivers;
thus increasing fertility of soil.
3. Although initial cost is high, it
is cheap in long run.

9. Need to conserve Water
Questions
List the methods that can be
used to conserve water?
In Crystalline
Following methods can be adopted
to conserve water –
1. Water Saving Technologies
2. Encouraging Watershed
development
3. Rainwater Harvesting
4. Water Recycling
5. Preventing pollution of water.

10. Rain Water Harvesting
Questions
In Crystalline
What is rainwater harvesting
and what’s its aim
Rain water harvesting is collecting and
storing rainwater. Water harvesting
means understanding the value of rain
and to make optimum use of rainwater.
The aim of rain water harvesting is —
(a) harvesting surface & groundwater,
(b) prevention of losses through
evaporation and seepage;
Name the Primary and
Secondary sources of Water
According to Hydrological cycle –
Primary Source: Rain Water
Secondary Sources: Rivers; Lake; and
ground water.

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Geography; become more Easy using “AUDIOVISUAL” Q & A Slides. To know more, visit
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