Question

select the graduated pipette. submit

Explanation:

A graduated pipette has measurement markings along its length to measure variable volumes of liquid. The first image shows a pipette with such markings, which is characteristic of a graduated pipette. The second image is a simple tube without markings. The third image is a volumetric pipette (marked for a single volume, not graduated for multiple measurements).

Answer:

The first pipette (with measurement markings along its length) is the graduated pipette.