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.



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