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What is the name of structure that preve...

What is the name of structure that prevents the bony fishes from sinking?

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The correct Answer is:
Air bladder
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ALLEN -ANIMAL KINGDOM-Exercise
  1. In which subphylum notochord extends from head to tail and persistent ...

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  2. The teeth in cartilaginous fishes are formed due to modification of wh...

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  3. What is the name of structure that prevents the bony fishes from sinki...

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  4. Why do chondrichthyes swim constantly?

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  5. Name a fish which has electric organ.

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  6. Name a fish which possess poisonous sting.

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  7. The animals which don't have the capacity of regulate their body tempe...

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  8. How many pairs of gills are present in bony fishes?

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  9. Name the cap which covers the gills in fishes:

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  10. Which structure represents ear in amphibians and reptiles?

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  11. In which class of vertebrates 3-chambered heart is found?

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  12. The common chamber for alimentary canal, urinary, bladder and reproduc...

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  13. Which class of vertebrates possesses dry and cornified skin with epide...

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  14. In which reptiles 4-chambered heart is present?

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  15. Snakes and lizards shed off their scales often. This phenomenon is cal...

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  16. The presence of feathers is characteristic of which class?

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  17. The bones of birds are long and hollow with air cavities. These types ...

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  18. name of the additional chambers found in the digestive tract of birds:

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  19. name the respiratory organs in birds and mammals:

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  20. Presence of mammary gland is the unique character of which class?

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