Q8 / 180 · NEET 2020 (Phase 1) · Botany

Which of the following has notochord throughout life?

  • A
    Birds
  • B
    Fish
  • C
    Snake
  • Correct answer
    D
    Amphioxus

Solution

In Cephalochordates, the notochord is persistent throughout life, and Amphioxus or Lancelet is an example of Cephalochordata. In vertebrates, the notochord is present only during the embryonic stage. In Adults, the notochord is replaced by the vertebral column.

 

Hence, the correct answer is option: 'D'.

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