Question 3 of 13intermediate💡 UnderstandMCQ1 mark

Which one of the following is not a minor relief feature in the oceans:

Exercise: EXERCISES | Q: 1(iii) | (Page 8)
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Explanation

Option C (Oceanic Deep) is correct because Oceanic Deeps or Trenches are classified as one of the four major divisions of the ocean floor, not a minor relief feature. The textbook clearly states that the ocean floors can be divided into four major divisions: (i) Continental Shelf, (ii) Continental Slope, (iii) Deep Sea Plain, and (iv) Oceanic Deeps. In contrast, Seamount, Guyot, and Atoll are all minor relief features. The context explicitly mentions that apart from major relief features, 'some minor but significant features predominate in different parts of the oceans' and lists 'sea mounts, guyots' among these minor features. Seamount is described in detail under the Minor Relief Features section. Therefore, Oceanic Deep is the correct answer as it is a major relief feature, not a minor one.

Solution Steps

  1. Step 1: Identify the four major divisions of the ocean floor from the context: Continental Shelf, Continental Slope, Deep Sea Plain, and Oceanic Deeps.

  2. Step 2: Note that the context lists minor relief features including 'ridges, hills, sea mounts, guyots, trenches, canyons, etc.'

  3. Step 3: Compare each option - Seamount and Guyot are explicitly mentioned as minor features, while Oceanic Deep is listed as a major division.

  4. Step 4: Conclude that Oceanic Deep is not a minor relief feature.

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