Question:

Find the odd one out from the following.

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Always classify animals based on biological categories like mammals, fish, reptiles, etc.
Updated On: Apr 21, 2026
  • Shark
  • Whale
  • Dolphin
  • Seal
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The Correct Option is A

Solution and Explanation

Concept: This question is based on classification of aquatic animals.
Step 1: Analyze each option.
  • Shark → fish (cold-blooded, breathes through gills)
  • Whale → mammal (warm-blooded, breathes through lungs)
  • Dolphin → mammal
  • Seal → mammal

Step 2: Identify the difference.
Whale, Dolphin, and Seal are mammals.
Shark is a fish.
Hence, Shark is the odd one out.
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