NCERT Important Questions Class 9 Science biology Chapter 7
Important NCERT Extra Questions
Chapter 7 Diversity in Living Organisms
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
What is the position of Notochord in the body of (a) Urochordata; (b) Cephalochordata?
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(a) In the tail region of larva of Urochordata.
(b) Notochord extends upto anterior end of the body and persists in larval as well as adult animals.