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The number of gils present in Osteichtye...

The number of gils present in Osteichtyes is

A

2 pairs

B

6-15pairs

C

5 pairs

D

4 pairs

Text Solution

Verified by Experts

The correct Answer is:
D
Trichinella spiralls shows vivipartiy
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ERRORLESS -ANIMAL KINGDOM-Animal Kingdom
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  2. Which one of the following pairs of animals comprises "Jawless fishes"

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  3. The number of gils present in Osteichtyes is

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  4. At retrogressive metamorphosis the urochordate larva

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  5. Animals belonging to phylum chordata are fundamentally characterized b...

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  6. In which of the following jaws are found

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  7. Temperature changes in the environment affect most of the animals whic...

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  8. The animal who possess notochord throughout life is Or Which of th...

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  9. Which of the following statements is/are not true A. In Urochordata...

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  10. Blood vascular system in hmichordata is

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  11. The most important disitinctive character of chordta is the presence o...

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  12. Retrogressive metamorphosis is found in

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  13. The lamprey (Petrmyzon) in induced in the same taxonomic class as the

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  14. The portal system seen in all vertebrates is

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  15. Which one of the following is not a characteristic feature of the subs...

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  16. Notochord is restricted to the anterior part of body proboacis in anim...

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  17. Animals having a bulb-in thermostat to maintain constnat body temperat...

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  18. Which of the following groups has no member having gliding or flying a...

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  19. In some chrodates, the notochord is modified as the vertebral column. ...

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  20. Petromyzon belongs to

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