alleryIn Tamil Nadu, the traditional interconnected tanks or lakes used to harvest and divert rainwater between villages are called:
AEris
BRecharge pits
CShale basins
DBiosphere reserves
Answer & Solution
Correct answer: A. Eris
1. The text describes a traditional Tamil Nadu water-harvesting system of interconnected tanks.
2. These tanks or lakes are called Eris, where overflow from one is diverted to the next village's eri.
3. Recharge pits are part of roof-top harvesting, while shale basins and biosphere reserves are unrelated, so B, C and D are traps.
4. Hence the answer is A.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit "Environmental Management", p.329_
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