Which of the following is an example of Phylum Mammalia of Animal Kingdom?

Rat

The correct answer is Option (4)- Rat

Rat is an example of Phylum Mammalia in the Animal Kingdom.

Explanation:

Phylum Mammalia is a classification in the Animal Kingdom that includes mammals. Mammals are characterized by certain features such as having mammary glands that produce milk, hair or fur on their bodies, and typically giving birth to live young. Rats, being mammals, fall under this phylum.

The other options:

• Hen (chicken): Belongs to Phylum Chordata, Class Aves (birds).
• Crocodile: Belongs to Phylum Chordata, Class Reptilia (reptiles).
• Pigeon: Also belongs to Phylum Chordata, Class Aves (birds).

These examples represent different classes within the phylum Chordata but are not mammals.