Which of the following contains multiple gymnosperm ovules?
a. ovulate cone
b. integument
c. megasporangium
d. megaspore

Explanation:

The cone is an organ of such plants that belong to the conifer division.

It is a type of reproductive structure and classified as male cones that produce pollen grain and the other is the female cone that produces seeds after fertilization.

                            Since a female cone contains ovule so-called as ovulate cone or seed cone.

In immature condition this cone contains multiple ovules and after maturation ovules become seeds.

Explanation:

Cone -A cone  is an organ on plants that contains the reproductive structures.  Cone divided as, the male cone known as microstrobilus or pollen cone and female cone is known as megastrobilus, seed cone, or ovulate cone.  

The ovulate cone contains ovules and, after fertilized by pollen, it become seeds. The female cone structure varies between the different conifer families.

answer; a muscle cell, another neuron and a of the above

b is the best answer for this question.