NEET2026BiologyChapterActual
Which of the following statements are correct regarding the menstrual cycle in human females? A. The follicular phase of the menstrual cycle is also referred to as the secretory phase. B. Rapid secretion of luteinizing hormone (LH) during the mid-cycle induces the rupture of the Graafian follicle. C. The corpus luteum secretes large amounts of progesterone, which is essential for the maintenance of the endometrium. D
Options
- AA and D only
- BB and C only
- CA, B and C only
- DC and D only
Correct answer
B. B and C only
Step-by-step solution
Statement A is incorrect because the follicular phase is also known as the proliferative phase, whereas the luteal phase is known as the secretory phase. Statement B is correct because the rapid secretion of LH (LH surge) at mid-cycle (around day 14) induces the rupture of the Graafian follicle, leading to ovulation. Statement C is correct because the corpus luteum secretes large amounts of progesterone, which is essential for the maintenance of the endometrium for implantation of the fertilized ovum. Statement D i