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Which among the following is incorrect about chordates?(a) They must have notochord at every point of their life(b) They have a post anal tail(c) They have hollow dorsal nerve cord(d) They have a ventral heartThe question was asked during an online exam.My question is taken from Animal Kingdom topic in chapter Animal Kingdom of Biology – Class 11

Answer»

The correct CHOICE is (a) They must have notochord at every point of their LIFE

For EXPLANATION I would say: In chordates, notochord at some point of their life and may vanish after certain period of time. They have a post anal tail. They have a dorsal NERVE cord. They have a ventral HEART.



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