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Question

Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.
 

Peacock, Woodpecker, Parrot, Bat

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
Bat

Odd Word Classification: Bat vs. Birds

The question asks to identify the word that is different from the others in the list: Peacock, Woodpecker, Parrot, and Bat.

Identifying the Groups

We can group the words based on biological classification:

  • Peacock: A bird, characterized by feathers and laying eggs.
  • Woodpecker: A bird, known for its distinct features and ability to fly.
  • Parrot: A bird, recognized for its colorful feathers and vocal abilities.
  • Bat: A mammal, distinguished by fur, giving birth to live young, and feeding milk.

Determining the Odd One Out

Peacock, Woodpecker, and Parrot all belong to the class Aves (birds). They share common characteristics typical of birds.

A Bat, however, belongs to the class Mammalia. Despite having wings and the ability to fly, its fundamental biological characteristics (fur, live birth, nursing young) are those of a mammal, not a bird.

Therefore, the Bat is the odd one out because it is a mammal, while the others are birds.

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