NEET Biology question

Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?

(A)It is present only in larval tail in ascidian
(B)It is replaced by a vertebral column in adult frog
(C)It is absent throughout life in humans from the very beginningCorrect
(D)It is present throughout life in *Amphioxus*

Answer: (C)

Solution

Humans belong to phylum Chordata and subphylum Vertebrata; a notochord is present during the embryonic stage and is subsequently replaced by the bony vertebral column

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Question ID VK-106719