A lamprey, a shark, a lizard and a rabbit share the following characteristic except?

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A lamprey, a shark, a lizard and a rabbit share the following characteristic except? Answer: Hinged jaws

The characteristic that a lamprey, a shark, a lizard, and a rabbit do not all share is hinged jaws, because lampreys are jawless, while sharks, lizards, and rabbits are all vertebrates that possess hinged jaws.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.