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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