To solve the problem, we need to identify how many cells are present in the embryo sac of the majority of flowering plants.
1. Structure of the Embryo Sac:
The embryo sac in flowering plants is typically formed within the ovule. It contains seven cells, including:
This arrangement results in a total of seven cells in the majority of flowering plants.
Final Answer:
The embryo sac contains 7 cells (Option C).