A
Monoecious – Male (microsporangiate) and female (megasporangiate) cones are produced on same plant.
B
Monoecious – Male and female sporophylls borne on same strobilus.
C
Dioecious – Male and female cones are produced on different plants.
D
Monoecious – Micro and megasporocarp develop on same plant.
Solution:
Monoecious is a plant species in which male (microsporangiate) and female (megasporangiate) organs are found on the same plant (for example pinus). Dioecious plant is a plant species in which male and female organs appear on separate individuals.
