Concept:The question tests the identification of laboratory glassware used for measuring liquid volumes.Explanation:A graduated beaker, pipette, and burette all have graduated markings or are designed to measure or deliver specific volumes of liquids.A test tube is primarily used for holding, mixing, or heating small amounts of substances.It does not have calibrated markings for accurate volume measurement.Therefore, the test tube is the glassware not used to measure the volume of liquids.Answer:C. test tube