Which one of the following is monoecious?

The plant body of Pinus is sporophyte and the plants are monoecious. The plant body is differentiated into roots, stem, and leaves. Pinus plant is sporophyte (2x), heterosporous (producing two types of spores - microspores and megaspore), monoecious (male and female cones are borne on the same plant), and autoecious (the male and female cones are borne on different branches of the same plant).