Zoology-(general)

NEET Zoology (general) MCQ Question

Type: MCQ-conceptual-Hard-Class 11

In which of the following classes of the animal kingdom is the heart chamber configuration most variable among its members?

A

Reptilia

B

Porifera

C

Osteichthyes

D

Mammalia

Correct Answer

Option A

Detailed Explanation

In Reptilia, the heart is usually three-chambered, but it is four-chambered in crocodiles, indicating variability within the class.

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