Read the following statements carefully: (A) The primary oocyte completes its first meiotic division within the secondary follicle. (B) The theca layer is organised into an inner theca interna and an outer theca externa in the tertiary follicle. (C) The secondary oocyte forms a new membrane called zona pellucida around it in the Graafian follicle. (D) During ovulation, the Graafian follicle ruptures to release an ovu

Step-by-step solution

Statement (A) is incorrect because the primary oocyte completes its first meiotic division within the tertiary follicle, not the secondary follicle. Statement (B) is correct as the organisation of the theca layer into an inner theca interna and an outer theca externa is a defining characteristic of the tertiary follicle. Statement (C) is correct because in the mature Graafian follicle, the secondary oocyte forms a new membrane called the zona pellucida around itself. Statement (D) is incorrect because ovulation rel