Animal Kingdom Question 237
Question: Which of the following group of characters is present in all chordates in some or other stage in their life [CPMT 1982]
Options:
A) Mammary glands, hair and gill slits
B) Notochord, gill slits and dorsal tubular nervous system
C) Notochord, scales and dorsal tubular nervous system
D) Gill slits, vertebral column and notochord
Show Answer
Answer:
Correct Answer: B
Solution:
Presence of notochord, Dorsal tubular nerve cord, Pharyngeal gill clefts, post anal tail, RBCs and hepatic portal system is distinguising feature of chordates.
BETA
