Explanation:

- Conifers, cycads, and ginkgo plants belong to the Gymnosperm group of plants.

- Gymnosperms are seed-producing plants that do not form flowers or fruits.

- Option 2: Angiosperm plants produce seeds enclosed within fruits; this group includes flowering plants.

- Option 3: Pteridophyta includes ferns and their relatives; they do not produce seeds.

- Option 4: Bryophyta includes non-vascular plants like mosses; they also do not produce seeds.

- Correct Answer: Option 1: Gymnosperm