Question
Biology Question on Kingdom Animalia
Notochord is present throughout the life in
A
Fish
B
Leech
C
Amphibia
D
Amphioxus
Answer
Amphioxus
Explanation
Solution
Notochord persists throughout life in the lower chordates, but in the higher chordates, it is surrounded or replaced, partly or fully, in the adult by a jointed vertebral column. In urochordata, notochord is present only in larval tail, while in cephalochordata (Amphioxus), it extends from head to tail region and is persistent throughout their life.