Multiple choice

Which of the following statements are TRUE regarding chordates? P. Notochord is present. Q. Heart is dorsal. R. Pharynx perforated by gill slits. S. Central nervous system is ventral, solid and double.

  1. Only P and Q

  2. Only P and R

  3. Only P and S

  4. Only Q and S

  5. Only R and S
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In chordates, notochord is present and pharynx is perforated by gill slits.

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