Question

Match phases of menstruation in column I with events occurring during respective phase in column II and select the correct option.

Column I	Column II
A. Menstrual phase	I. rupturing of mature Graafian follicle
B. Follicular phase	II. increase in level of progesterone
C. Ovulatory phase	III. decrease in level of estrogen and progesterone
D. Luteal phase	IV. development of Graafian follicle

• A. A-III, B-IV, C-II, D-I
• B. A-II, B-IV, C-I, D-III
• C. A-III, B-IV, C-I, D-II
• D. A-II, B-IV, C-III, D-I

Hint:

Match each phase with the hormone level or follicle event.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept
The menstrual cycle has menstrual, follicular, ovulatory and luteal phases.

Step 2: Match the pairs
A. Menstruation follows the fall in oestrogen and progesterone (III).
B. In the follicular phase the Graafian follicle develops (IV).
C. Ovulation is the rupture of the mature Graafian follicle (I).
D. In the luteal phase the corpus luteum forms and progesterone rises (II).

Step 3: Select the option
The combination is A-III, B-IV, C-I, D-II.

Final Answer:
The correct matching is A-III, B-IV, C-I, D-II. \[ \boxed{\text{(C) }\text{A-III, B-IV, C-I, D-II}} \]