Multiple choice

Which of the following statements is not true about chordates?

  1. Notochord is present

  2. Central nervous system is dorsal, hollow and single

  3. Gill slits are absent

  4. Heart is ventral

  5. A postanal part (tail) is present
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pharynx is perforated by gill slits in chordates while gill slits are absent in non-chordates.

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