Which one of the following is an egg-laying mammal?

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Pangolin

Tachyglossus

Porcupine

Bat

answer is B.

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Detailed Solution

Concept- A subclass of Mammalia known as Holotheria includes a collection of animals collectively known as Monotremes, which are mammals.
The species in this group that are oviparous, or that lay eggs, include Tachyglossus, sometimes referred to as spiny anteaters. These animate beings are also referred to as echidnas. One of the four echidna species still in existence and the sole representative of the genus Tachyglossus is the short-beaked echidna. It has a peculiar snout, is coated in fur and spines, and has a specially designed tongue to rapidly grasp its insect meal.
Hence, the correct answer is option 2.

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