Which one of the following is the best example of repeated falls in sea level, giving rise to presen

Q: What is UPSC Prelims?

UPSC Prelims is a competitive examination conducted in India. This question is from the 2023 UPSC Prelims Geography paper.

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To prepare for UPSC Prelims Geography, practice previous year questions (PYQs), understand concepts thoroughly, and solve mock tests regularly. This 2023 question covers Landforms – Mountains, Plateaus, Plains & Geomorphology topic.

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This UPSC Prelims 2023 Geography question has a medium difficulty level.

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Question

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

Accepted Answer

Correct Answer: D — Rann of KutchStep-by-step Solution:The Rann of Kutch is a seasonal marshy salt desert. It was once a shallow arm of the Arabian Sea. Repeated geological shifts and sea‑level changes disconnected it from the sea, leaving behind a vast marshland that fills with water during monsoons and dries into a white salt crust in summer.Why other options are incorrect:Option A (Bhitarkanika Mangroves): A mangrove ecosystem formed by river deltas, not by sea‑level falls.Option B (Marakkanam Salt Pans): Man‑made salt pans on the Tamil Nadu coast.Option C (Naupada Swamp): A small swamp in Andhra Pradesh, not formed by repeated sea‑level changes.Key Concept: The Rann of Kutch is divided into the Great Rann and Little Rann. It supports unique wildlife (Indian wild ass, flamingos). The area is a result of tectonic uplift and sea regression, creating a vast marshland (about 30,000 km²).

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

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Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

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More Questions from Landforms – Mountains, Plateaus, Plains & Geomorphology

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