Animal Kingdom Question 367
Question: Non-chordates have
[BCECE 2005]
Options:
A) Notocord
B) Dorsal tubular nerve chord
C) Pharyngeal gills cleft
D) Absence of hepatic portal system
Show Answer
Answer:
Correct Answer: D
Solution:
Non-chordates does not have a notochord. Nerve cord is ganglionated, double ventral and solid in them. Pharyngeal gill slits and the hepatic portal system is also absent.
So, the correct answer is option D.