In which of the following groups would you place a plant, which produces seeds, but lacks flowers and fruits?
Gymnosperms are a group of plants with the following unique characteristics:
1. The ovules (which form seeds after fertilisation) are not enclosed in an ovary. Rather these are found in cones.
2. Gymnosperms do not produce flowers.
3. They do not produce fruits.
4. They are pollinated by the wind.
So, the correct option is D.