Question 1

The menstrual cycle in humans is regulated by:

Explanation: The menstrual cycle is controlled by the hypothalamic–pituitary–ovarian axis.

Question 2

The average length of a normal menstrual cycle is:

Explanation: A normal menstrual cycle lasts about 28 days.

Question 3

The first day of menstruation marks the:

Explanation: Menstruation is considered day 1 of the cycle.

Question 4

Menstrual phase occurs due to:

Explanation: Hormonal decline leads to shedding of endometrium.

Question 5

Normal duration of menstrual bleeding is:

Explanation: Menstrual bleeding normally lasts 3–5 days.

Question 6

Which hormone stimulates follicular development?

Explanation: FSH stimulates growth of ovarian follicles.

Question 7

The follicular phase is also called:

Explanation: During this phase, the endometrium proliferates.

Question 8

Estrogen is mainly secreted by:

Explanation: Growing follicles secrete estrogen.

Question 9

Ovulation occurs approximately on:

Explanation: Ovulation usually occurs on day 14 of a 28-day cycle.

Question 10

Ovulation is triggered by:

Explanation: A sudden rise in LH causes ovulation.

Question 11

The released ovum enters the:

Explanation: Ovum is released into the fallopian tube.

Question 12

The fertile period in a menstrual cycle is:

Explanation: Fertility is highest around ovulation.

Question 13

After ovulation, the ruptured follicle forms:

Explanation: Corpus luteum forms from the ruptured follicle.

Question 14

Corpus luteum secretes:

Explanation: Progesterone prepares uterus for implantation.

Question 15

The luteal phase lasts from:

Explanation: Luteal phase follows ovulation.

Question 16

Progesterone is important for:

Explanation: Progesterone prepares endometrium for implantation.

Question 17

If fertilization does not occur, corpus luteum:

Explanation: Degeneration causes hormone drop and menstruation.

Question 18

Menstruation does not occur during:

Explanation: Hormones maintain endometrium during pregnancy.

Question 19

Menarche refers to:

Explanation: Menarche is the onset of menstruation.

Question 20

Menopause marks:

Explanation: Menopause is permanent cessation of menstruation.

Question 21

Proliferative phase involves:

Question 22

Secretory phase prepares uterus for:

Question 23

LH and FSH are secreted by:

Question 24

GnRH is secreted by:

Question 25

Which hormone shows positive feedback?

Explanation: High estrogen triggers LH surge.

Question 26

Implantation normally occurs in:

Question 27

Menstrual blood contains:

Question 28

The ovarian cycle includes:

Question 29

Which hormone maintains pregnancy?

Question 30

Menstrual cycle normally occurs in:

Question 31

The uterine lining is called:

Question 32

Excessive menstrual bleeding is called:

Question 33

Painful menstruation is termed:

Question 34

Absence of menstruation is known as:

Question 35

Which phase has maximum progesterone level?

Question 36

Endometrium is shed during:

Question 37

Corpus luteum is functional for:

Question 38

Which phase repairs endometrium?

Question 39

Ovum survives for about:

Question 40

Spermatogenesis and menstrual cycle are similar because:

Question 41

Menstrual cycle stops permanently at:

Question 42

Which hormone inhibits FSH during follicular phase?

Question 43

Graafian follicle contains:

Question 44

Which phase has maximum estrogen level?

Question 45

Implantation occurs around:

Question 46

Menstrual cycle is absent during:

Question 47

Which hormone causes thickening of endometrium initially?

Question 48

Corpus albicans is formed from:

Question 49

Ovulatory phase is the shortest phase because:

Question 50

The main purpose of menstrual cycle is to: