Chordata Protochordata - Questions & Answers | Exam2Win

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31. Chorda dorsalis is

A. Dorsal solid nerve cord

B. Dorsal hollow nerve cord

C. Notochord

D. Stomochord

Explanation:

32. Amongst chordates, the paired appendages are absent in

A. Hemichordates

B. Urochordates

C. Cephalochordates

D. All the above

Explanation:

33. Type of coelom present in chordates is

A. Psuedocoelom

B. Schizocoelom

C. Enterocoelom

D. Both A and C

Explanation:

34. Which one of the following is a protochordate

A. Amphioxus

B. Lamprey

C. Labeo

D. Exocoetus

Explanation:

35. Pharyngeal gill slits are dorsal in

A. Cephalochordates

B. Urochordates

C. Hemichordates

D. Euchordates

Explanation:

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