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mediumQ. No. 14292-which-river-is-associated-with-mettur-dam-and-the-fertile-delta-of-tamil-nadu

Which river is associated with Mettur Dam and the fertile delta of Tamil Nadu?

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This question examines an important river-or-lake fact: “Which river is called the 'Mother River' of Tamil Nadu?” The correct answer is Kaveri. The Kaveri (Cauvery) River is considered the 'Mother River' of Tamil Nadu due to its immense cultural, religious, agricultural, and historical importance to the state. It is called 'Ponni' (meaning 'Golden') in Tamil literature. The Kaveri delta in Tamil Nadu is the most fertile agricultural region. Rivers and lakes are central components of the hydrological cycle and physical geography. A river system includes its source, tributaries, distributaries, drainage basin, watershed, channel, floodplain, delta or estuary and final outlet. River behaviour depends on relief, geology, rainfall, snowmelt, sediment load, vegetation and human intervention.

APalar
BPennar
CVaigai
DKaveri
Correct Answer: KaveriYour Answer: D

Explanation

Correct Answer: Option D — Kaveri The Kaveri River is associated with Mettur Dam and the fertile Kaveri delta of Tamil Nadu. It rises at Talakaveri in Karnataka, flows through Karnataka and Tamil Nadu, and divides into distributaries before entering the Bay of Bengal. Its regulated waters are important for irrigation in the delta region. - Option A — Palar: The Palar is a seasonal river flowing through parts of Karnataka, Andhra Pradesh and northern Tamil Nadu. - Option B — Pennar: The Pennar drains parts of Karnataka and Andhra Pradesh before reaching the Bay of Bengal. - Option C — Vaigai: The Vaigai flows through Madurai and is associated with Vaigai Dam. Exam Takeaway: Mettur Dam and Tamil Nadu’s major delta identify the Kaveri.

Important Notes

  • Kaveri rises at Talakaveri in the Brahmagiri Hills of Kodagu district, Karnataka.
  • Mettur Dam in Tamil Nadu is built on the Kaveri, and the reservoir behind it is called Stanley Reservoir.
  • The Kaveri delta spreads across eastern Tamil Nadu and supports intensive agriculture, especially paddy cultivation.
  • Kaveri should not be confused with Vaigai. Kaveri forms the major delta, while Vaigai flows through Madurai and has Vaigai Dam.
  • Palar and Pennar are more seasonal east flowing rivers. Their basins and irrigation systems differ from the Kaveri basin.

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