Multiple choice Each pistil is made up of three parts: the stigma, ____ and the ovary. the carpels the exine the style the pollen tube Reveal answer Fill a bubble to check yourself C Correct answer Explanation The pistil has three parts: stigma (receiving surface), style (pollen tube pathway), and ovary (contains ovules). Carpels are the ovule-bearing units that may fuse to form a pistil. Exine is the outer pollen wall.