Multiple choice

Which of the following statements are FALSE regarding chordates? P. Notochord is present. Q. Central nervous system is ventral, solid and double. R. Pharynx perforated by gill slits. S. Heart is dorsal. Select the correct answer using codes given below:

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

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

In chordates, central nervous system is dorsal, hollow and single. Heart is ventral in chordates.

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