Multiple choice

Match the following:

 
a. Urochordata 1. In this subphyla, notochord is present during the embryonic period.
b. Cephalochordata 2. In this subphyla, notochord extends from head to tail region and is persistent throughout the organism's life.
c. Vertebrata 3. In this subphyla, notochord is present only in larval tail.

  1. a - 1, b - 2, c - 3

  2. a - 3, b - 2, c - 1

  3. a - 2, b - 3, c - 1

  4. a - 2, b - 1, c - 3

  5. a - 3, b - 1, c - 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the subphyla Urochordata, notochord is present only in larval tail. In the subphyla Cephalochordata, notochord extends from head to tail region and is persistent throughout the organism's life. In the subphyla Vertebrata, notochord is present during the embryonic period and replaced by the vertebral column in adult stage.

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