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Question:

Match the items given in column I with those in column II and select the correct option given below:
Column I
Column II
a. Proliferative phase

  1. Breakdown of endometrial lining
    b. Secretory phase
  2. Follicular phase
    c. Menstruation
  3. Luteal phase
    A-3, B-2, C-1
    A-3, B-1, C-2
    A-2, B-3, C-1
    A-1, B-3, C-2

A-3, B-1, C-2

A-2, B-3, C-1

A-3, B-2, C-1

A-1, B-3, C-2

Solution:

a) Proliferate phase is the other name for follicular phase. There is development of the follicle in the ovary and there is increase in the endometrial cell lining in the uterus, known as proliferation.
b) The secretory phase is known as luteal phase, which includes the secretion of the hormones from the corpus luteum. This is essential for the maintenance of pregnancy.
c) Menstruation is the flow of the cell debris and the blood from the vaginal tract. This is the outcome of breakdown of the endometrial lining due to no fertilisation of the ovum. Thus, the correct answer is option A.