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In adult vertebreates, the notrochord is...

In adult vertebreates, the notrochord is

A

degenerated or reduced

B

replaced by crtilaginous or bony vertebral column

C

disappeared

D

persistent

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT NEET-ANIMALIA-III (CHORDATES)-CHAPTER EXERCISES (TAKING IT TOGETHER) (ASSORTED QUESTIONS OF THE CHAPTER FOR ADVANCED LEVEL PRACTICE)
  1. Which one of the following sets of animals belong to a single taxonomi...

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  2. Non-chorates have a central nervous sysyem, which is ventral, solid a...

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  3. In adult vertebreates, the notrochord is

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  4. In higher chordates, pharyngeal gill slits are

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  5. Any one of the followng set of characters is definitely found at some ...

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  6. Rwgarding the hemichordates, which of the following is true?

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  7. In which of the following sets, all examples represent hemichordates?

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  8. Choos the animals that belong to subphylum-Urochordata of class-Prot...

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  9. Chphalochordaters have a notochord, which

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  10. Identify the three defining characteristic of chordates on the diagera...

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  11. Besides the basic chordate characters, vertabrates also have

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  12. Which one of the following statement s is not true for Agnatha?

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  13. The greatest problem for the primitive vertebrates reching freshwater ...

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  14. Petromyzon is not a true fish because of

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  15. Find out the statement which is true about the group Gnathostomata.

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  16. Which of the following characters is shown by the members of classes-C...

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  17. Select the correct statement (s) about Chondrichthyes.

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  18. Identify the statement which is incorrect about sharkes.

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  19. Freshwater bony fishes maintain water balance by

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  20. Which of the following is/are correct about amphibians?

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