Chordata Protochordata - Questions & Answers | Exam2Win

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61. Which one is a link between chordates and nonchordates?

A. Tadpole larva

B. Sphenodon

C. Balanoglossus

D. Crocodilia

Explanation:

62. Acorn worms are included in

A. Cestoda

B. Trematoda

C. Hemichordata

D. Echinodermata

Explanation:

63. Group where adults are degenerated while larvae are well developed is

A. Tunicata

B. Agnatha

C. Amphibia

D. Cephalochordata

Explanation:

64. Which of the following statements is/are not true? a) In urochordata, notochord is present only in larval tail b) In cephalochordate, notochord extends from head to tail c) Branchiostoma belongs to hemichordata d) Only one class of living members, class cyclostomata, represents the super class agnatha

A. a, b and d only

B. c, d and a only

C. c only

D. a and d only

Explanation:

65. A primary character of chordates is

A. Paired nerve cord

B. Ganglionated nerve cord

C. Dorsal tubular nerve cord

D. Solid ventral nerve cord

Explanation:

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