AIPMT MAINS2011Zoology-Animal Kingdom
AIPMT MAINS 2011 Zoology Chordates MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following statements is totally wrong about the occurrence of notochord while the other three are correct?
A
It is absent throughout life in humans from the very beginning
B
It is present throughout life in Amphioxus
C
It is present only in larval tail in Ascidians
D
It is replaced by a vertebral column in adult frog
Correct Answer
Option A
Detailed Explanation
In humans, the notochord is present during embryonic development but is replaced by the vertebral column.
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