ZoologyMark the wrong statement about air bladder.

Mark the wrong statement about air bladder.

  1. A

    It regulates buoyancy enabling fishes to stay at their current water depth without having to waste energy in swimming.

  2. B

    It is present in sharks and rays and thus enables them to swim under great depths of sea under high pressure.

  3. C

    It serves as a resonating chamber to produce or receive sound in certain fishes.

  4. D

    It functions as an accessory respiratory organ in some primitive fish (such as the lungfish).

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    Solution:

    Air bladder is absent in sharks and rays and thus they have to swim continuously till death to avoid sinking.

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