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प्रश्न
Differentiate between the following pair:
Menarche and menopause
Differentiate between menarche and menopause.
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उत्तर
| Sr. No. | Menarche | Menopause |
| 1. | Menarche is the first occurrence of menstruation in a human female during puberty. | Menopause is the permanent cessation or disappearance of menstrual cycles in a woman. |
| 2. | It generally occurs at a young age, typically between 11 and 13 years. | It usually occurs in older women, typically between the ages of 45 and 55 years. |
| 3. | It signifies the beginning of the reproductive phase and the ability to conceive. | It signifies the end of the reproductive phase, as ovulation and menstruation stop permanently. |
| 4. | This process is triggered by the initial rise in female sex hormones like estrogen. | This process is caused by the gradual decline and eventual stop of female sex hormone production. |
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संबंधित प्रश्न
Define the following term :
Ovulation
Describe the phases of the menstrual cycle and their hormonal control.
Describe the structure of a Graafian follicle.
Read the following passage and answer the question that follows:
Rahini and her parents were watching a television program. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.
List out the napkin hygiene measures taken during menstruation?
The menstrual cycle ceases during pregnancy.
When does the following step take place?
Luteal phase is also known as ____________.
Mainly which type of hormones control the menstrual cycle in human beings?
Proliferative phase of menstrual cycle, is also called ______.
A biology student after studying the different levels of hormones during the menstrual cycle was comparing 2 subjects (Patients). A table was created after looking at the levels of hormones A and B for Subjects 1 and 2. Read the information in the table and answer the question that follows.
| HORMONE A | HORMONE B | |
| Subject 1 | Shows a peak on the 14th Day of the menstrual cycle. | Falls down during the luteal phase. |
| Subject 2 | Shows a peak on the 14th Day of the menstrual cycle. | The level is maintained high in the luteal phase. |
Subject 2 has a higher level of hormone B, which is ______
When does the corpus luteum degenerate?
Menstruation is triggered by an abrupt decline in the amount of ______.
The secretory phase in the human menstrual cycle is also called:
About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH Surge) normally occurs?
After ovulation the collapsed ovarian follicle shrinks and becomes filled with cell to form:
The menstrual cycle begins with ______
Why are menstrual cycles absent during pregnancy?
Mention the importance of LH surge during menstrual cycle.
Given below is a flow chart showing ovarian changes during menstrual cycle. Fill in the spaces giving the name of the hormones responsible for the events shown.
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
