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Question
Biology
All vertebrates are chordates but all chordates are not vertebrates, why ?
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Q. All vertebrates are chordates but all chordates are not vertebrates, why ?
NEET
NEET 2020
Animal Kingdom
A
Notochord is replaced by vertebral column in adult of some chordates
60%
B
Ventral hollow nerve cord remains throughout life in some chordates
10%
C
All chordates possess vertebral column
30%
D
All chordates possess notochord throughout their life
0%
Solution:
Correct answer is (a) Notochord is replaced by vertebral column in adult of some chordates