Chordata Protochordata - Questions & Answers | Exam2Win

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71. Notochord occurs all through the length of body and throughout life in

A. Hemichordata

B. Urochordata

C. Cephalochordata

D. Vertebrata

Explanation:

72. In which of the following a notochord is absent

A. Adult tunicate

B. Amphioxus

C. Myxine

D. Larval tunicate

Explanation:

73. Which is not a vertebrate

A. Fish

B. Amphioxus

C. Oryctolagus

D. Sparrow

Explanation:

74. A chordate character is

A. Gills

B. Spiracles

C. Post-anal tail

D. Chitinous exoskeleton

Explanation:

75. Which is not characteristic of all chordates

A. Dorsal nerve cord

B. Diaphragm between thorax and abdomen

C. Coelom

D. Pharyngeal gill slits

Explanation:

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