ICSE-X-Geography
06: Water Resources Class 10 Geography
- #3-iName two states in which well irrigation is widely used. (ii) Name two types of well used for irrigation in these states. (iii) Describe two methods of drawing water from the wells. (iv) Give two advantages and two disadvantages of wells.Ans : Uttar Pradesh, Punjab, Haryana. (ii) Ordinary wells and tube-wells. (iii) The prevailing methods are the Persian Wheel, Mhote and the Picotin. The Persian wheel: It is also known as ‘Rehat’ and is worked by bullocks, buffaloes or camels.
Mhote: It is also worked by bullocks moving up a sloping ramp to pull up a big leather bucket.
Picotin: In this device a vertical pole is employed for balancing the bucket and the equivalent load fixed on either ends. It is also known as ‘Dhenkuli’. (iv) Advantages of wells:
- easy to dig and construct,
- cheap
Disadvantages of wells:
- wells can irrigate a very small area about half an hectare of land.
- In times of drought they run dry.
- Besides there is strain on the animals.
- #3-iiName two types of well used for irrigation in these states.Ans : Ordinary wells and tube-wells.
- #3-iiiDescribe two methods of drawing water from the wells.Ans : The prevailing methods are the Persian Wheel, Mhote and the Picotin. The Persian wheel: It is also known as ‘Rehat’ and is worked by bullocks, buffaloes or camels.
Mhote: It is also worked by bullocks moving up a sloping ramp to pull up a big leather bucket.
Picotin: In this device a vertical pole is employed for balancing the bucket and the equivalent load fixed on either ends. It is also known as ‘Dhenkuli’.
- #3-ivGive two advantages and two disadvantages of wells.Ans : Advantages of wells:
- easy to dig and construct,
- cheap
Disadvantages of wells:
- wells can irrigate a very small area about half an hectare of land.
- In times of drought they run dry.
- Besides there is strain on the animals.