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Which one of the following is not a bottom relief of the Indian Ocean?

June 1, 2025 by rawan239

Which one of the following is not a bottom relief of the Indian Ocean?

Chagos Ridge

Amsterdam-St. Paul Ridge

Somali Basin

Philippine Trench

This question was previously asked in

UPSC CBI DSP LDCE – 2023

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The Philippine Trench is a major feature of the Pacific Ocean floor, not the Indian Ocean.

The Chagos Ridge is a submarine ridge system located in the central Indian Ocean. The Amsterdam-St. Paul Ridge is part of the Southeast Indian Ridge, a divergent plate boundary in the Indian Ocean. The Somali Basin is a significant abyssal plain located in the western Indian Ocean, off the coast of Somalia. The Philippine Trench, also known as the Mindanao Trench, is a trench located in the western North Pacific Ocean, east of the Philippines.

The Indian Ocean floor features various ridges, basins, plateaus, and trenches, including the Ninety East Ridge, the Central Indian Ridge, the Mid-Indian Ridge, the Sunda Trench (Java Trench), and several abyssal plains like the Somali Basin and the Central Indian Basin. Trenches are typically found at convergent plate boundaries where one tectonic plate subducts beneath another.

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