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Notochord persists throughout the life i...

Notochord persists throughout the life in

A

Gnathostomata and Agnatha

B

Cephalochordata and Cyciostomate

C

Urochordata and Cephalochordata

D

Urchordata and Cyctostomata

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The correct Answer is:
B
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The characteristic of Vertebrata are I. high degree of cephalisation is seen in the group. II. Coelom is well-devoloped and of enterocoelous type. III. Cranial nerves either 8,10or 12 pairs. IV. Notochord is seen throughout the life of all animals.

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Select the option with a correct representation of an animal belonging to the below mentioned class of vertebrates. I. The notochord is persisitent throughout life. The mouth is ventral. II. The skin is moist without scales . The tail may be present. III. 6 to 15 pairs of gill slits. Jaws absent. IV. Viviparous usually. pinna present in most of the members.

ARIHANT NEET-ANIMALIA-III (CHORDATES)-MEDICAL ENTRANCES GALLARY (COLLECTION OF QUESTIONS ASLED IN NEET & VARIOUS MEDICAL ENTREANCE EXAMS)
  1. Notochord persists throughout the life in

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  2. Choose the correct statement.

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  3. Which one of the following characteristics is not shared by birds and ...

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  4. Which is the National Aquatic Animal of India

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  5. Statement(S). Fishes belonging to chondrichthyes have heterocercal cau...

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  6. Identify the pair having amphicoelous vertabrae

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  7. Study the statements about chordates and identify correct ones (a) C...

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  8. This class of animals are all ectoparasites on some fishes

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  9. Which one is flying fish

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  10. A jawless fish which lays eggs in fresh water and whose ammocoete larv...

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  11. The character not related to chondrichthyes is

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  12. Match the following Columns.

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  13. Statement (S). Marine lampreys migrate to rivers for spawning Reason...

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  14. Common character of all vertebrates withour expection is

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  15. Which of the following ca tegories of animals is correctly described w...

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  16. Conecting link between fish and amphibia is

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  17. Anapsid skull is found in

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  18. The number of digits in the limbs used for walking in reptiles is

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  19. Nasikabatrachus is .... Discovered from ......

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  20. The red jungle fowl is

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  21. Pick the odd one out.

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