Which of these things is not related to the others?
A. Petiole
B. Peduncle
C. Ampule
D. Tendril
C.
Ok, this one was difficult. An ampule is a small, sealed vial used to preserve a sample. A, B, and D are different types of stems on a vine. A petiole is the stem that connects a leaf to a vine. The stem that connects a grape cluster to a vine is known as a peduncle. And a tendril is the slender forked stem that coils around trellis wires, securing the vine’s long, leafy arms in an upright position.