Animal Kingdom Question 72
72. In which of the following notochord is present in embryonic stage?
(a) All chordates
(b) Some chordates
(c) Vertebrates
(d) Non chordates
Show Answer
Answer : a
Hints & Solutions
(a) Presence of notochord in any stage of the life cycle is a major chordate characteristic. Notochord is a cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals.