Which one of the following varieties of dogs is unable to bark ?

The correct answer is (a) Dingo.

Dingoes are unable to bark because they lack the hyoid apparatus, which is a group of bones and muscles that support the larynx and allow dogs to make the sound of barking. Without this apparatus, dingoes can only make a high-pitched whine or growl.

Alsatians, Dalmatians, and Labradors are all able to bark. Alsatians are known for their deep, booming bark, while Dalmatians are known for their high-pitched bark. Labradors have a medium-pitched bark that is often described as being friendly and welcoming.

It is important to note that there

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