Correct option is C
The correct answer is: (C) Underground tanks or tankas
Explanation:
In the arid and semi-arid regions of Rajasthan such as Bikaner, Phalodi, and Barmer, underground tanks or tankas were traditionally used to store drinking water. These structures were designed to collect and conserve rainwater, which is scarce in these areas.
In the arid and semi-arid regions of Rajasthan such as Bikaner, Phalodi, and Barmer, underground tanks or tankas were traditionally used to store drinking water. These structures were designed to collect and conserve rainwater, which is scarce in these areas.
Tankas are circular or rectangular underground structures covered with a lid, built near or under houses to collect rainwater from rooftops.
Information Key Points:
Tankas are cylindrical/rectangular underground storage structures.
Designed to store rainwater from rooftops or courtyards.
Found commonly in western Rajasthan where rainfall is < 250 mm annually.
Used to store drinking water safely for several months.
Knowledge Booster:
Small village pond: Suitable for washing, livestock, and sometimes irrigation. High evaporation and contamination make it unsuitable for safe drinking water, especially in arid zones.
Wells: Groundwater-based. In Rajasthan's desert zones, groundwater is often deep, saline, or brackish.
Rooftop tanks: These are modern systems, Require piped connections or rainwater channels.
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