Identify the correct combination of the state of carpel fusion, type of placentation, and the corresponding plant example.

Step-by-step solution

Tomato has a syncarpous gynoecium (carpels are fused) and exhibits axile placentation, where the placenta is axial and ovules are attached to it in a multilocular ovary. Rose and lotus have an apocarpous gynoecium (carpels are free). Mustard has a syncarpous gynoecium but exhibits parietal placentation, not basal. Argemone also has a syncarpous gynoecium (not apocarpous) and exhibits parietal placentation. Answer: Syncarpous, Axile, Tomato