Question

The presence of biconcave, circular, and anucleated RBC is the characteristic feature of which animal?

• A. Ostrich
• B. Whale
• C. Crocodile
• D. All of these

Answer 1

The correct option is B

Whale

The correct option is B:

Explanation of the correct option:

1. The presence of biconcave, circular, and anucleated RBC is a characteristic feature of mammals.
2. Whale belongs to the class Mammalia.

Explanation of the incorrect option:

Option A:

1. The presence of biconvex, oval, and nucleated RBCs is a characteristic feature of Aves.
2. Ostrich belongs to the class Aves.

Option C:

1. The presence of biconvex, oval, and nucleated RBCs is a characteristic feature of reptiles.
2. Crocodile belongs to the class Reptilia.

Final answer: The presence of biconcave, circular, and anucleated RBC is the characteristic feature of the whale.