Human Reproduction Quiz 8 – Punjab Meritorious School Preparation Portal

Welcome to your 15th Sep Human Reproduction Quiz 8 CBT TEST

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Name

School Name with City

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The main function of mammalian corpus luteum is to produce

estrogen only

progesterone

human chorionic gonadotropin

relaxin only

The main cause of the disintegration of the endometrial lining

LH surge

Degeneration of corpus luteum

Ovulation during mid-cycle

Implantation leads to pregnancy

During pregnancy:

All events of menstrual cycle stop and there is no menstruation

Events of menstrual cycle continue but there is no menstruation

Events of menstrual cycle continue but there is menstruation only in the first trimester

All events of menstrual cycle stop and there is menstruation only in the first trimester

In the absence of fertilization, corpus luteum:

Stops secreting progesterone but increases the secretion of estrogen

Stops secreting estrogen but increases the secretion of progesterone

Increases the secretion of both progesterone and estrogen

Degenerates

Which of the following hormones show peak solely in post ovulatory phase?

Progesterone

Estrogen

FSH

Which one of the following statements is incorrect about menstrual cycle?

The first menstruation begins at puberty and is called menarche

Lack of menstruation may also occur due to some environmental factors like stress, poor health

Corpus luteum secretes large amounts of progesterone which is essential for maintenance of endometrium

In absence of fertilisation, corpus luteum degenerates in luteal phase and new follicles start developing immediately

Menstruation is triggered by an abrupt decline in the amount of

Estrogen

Progesterone

FSH

Identify the incorrectly matched pair:

A. Ovulation LH surge

B. Follicular phase of menstrual cycle Regeneration of endometrium

C. Luteal phase Secretion of FSH

D. Menstruation Withdrawal of progesterone

Which of the following is very close to the time of ovulation?

Peak of progesterone

Minimum level of estrogen

Peak of LH and FSH

Thickest layer of endometrium.

Withdrawal of which of the following hormones is the immediate cause of menstruation?

Estrogen

FSH

FSH-RH

Progesterone

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