which of the following contains multiple gymnosperm ovules?

The structure that contains multiple gymnosperm ovules is the ovulate cone, also known as a seed cone or megastrobilus. Ovulate cones have many scales called megasporophylls, and each scale bears multiple ovules on its surface. These ovules are naked and exposed, unlike angiosperm seeds which are enclosed within ovaries. Examples include pine cones, where numerous ovules develop on the scales of the female cone. Other options like megasporangium, megaspore, or integument represent parts of an ovule but do not contain multiple ovules themselves. Thus, the correct answer is the ovulate cone (or seed cone) as the structure that contains multiple gymnosperm ovules.