Question

Question 18
Which one of the following feature is not a characteristic of protochordata?

(a) Presence of notochord
(b) Bilateral symmetry and coelom
(c) Jointed legs
(d) Presence of circulatory system

Answer 1

Ans) (c) Jointed legs

Jointed legs are a characteristic feature of Arthropoda. Protochordates have a hollow dorsal notochord and a true coelom. They can be divided into two equal halves and are hence bilaterally symmetrical organisms with a circulatory system.