Multiple choice

Presence of notochord, dorsal tubular nerve cord and pharyngeal slits are the three important characters of phylum Chordata. In which of the following chordates are all the three characters present in the adult form?

  1. Doliolum

  2. Oikopleura

  3. Branchiostoma

  4. Herdmania

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C Correct answer
Explanation

 Presence of notochord, dorsal tubular nerve cord and pharyngeal slits are the three important characters of phylum Chordata. In Branchiostoma, all the three characters are present in the adult form.