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

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Solution

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.

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(c) Jointed legs
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Non-Chordates

Standard X Biology

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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

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.

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

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.