Question

Statement 1: Cephalochordata bears notochord all along the body throughout life.
Statement 2: Urochordate bears vertebral columns only in the tail region throughout life.
Which of the statement(s) is/are correct?

• A. Both the statements are correct
• B. Statement 1 is correct, statement 2 is wrong
• C. Statement 1 is wrong, statement 2 is correct
• D. Both the statements are wrong

Answer 1

The correct option is B Statement 1 is correct, statement 2 is wrong

Cephalochordata bear notochord all along the body throughout life. They have a long body which tapers at both ends and have a large notochord that extends from head to tail.
Urochordates bear notochord in the tail region in their larval stage only.