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which one of the following statements is...

which one of the following statements is totally wrong about the occurrence of notochord , while the other three are correct

A

It is absent throughout life in humans from the very beginnig

B

It is present throughout life in Amphioxus

C

It is present only in larval tail in Ascidians

D

It is replaced by a vertebral column in adult frog

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The correct Answer is:
A
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AAKASH INSTITUTE-ANIMAL KINGDOM (CHORDATES) -Assignment (Section-C)
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  6. Which one of the following pairs of animals comprises 'Jawless fishes'...

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  8. Which of the following pairs are correctly matched ? {:(,"Animals",,...

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  9. Which one of the following is a matching pair of a body feature and th...

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  10. What is common between parrot, platypus and kangaroo ?

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  11. In which one of the following sets of animals do all the four give bir...

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  12. Which one of the following characters is not typical of the class Mamm...

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  13. Which of the following are correctly matched with respect to their tax...

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  14. One of the representative of Phylum arthropoda is

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