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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
Identify True/False statement. Correct false statement to make it true.
Menstrual cycle ceases during pregnancy.
Mention one significant difference between Hormones of ovulatory phase and hormones of luteal phase
‘A proper understanding of the menstrual cycle can help immensely in family planning.’ Do you agree with the statement? Provide reasons for your answer.
Describe the phases of the menstrual cycle and their hormonal control.
Follicle stimulating hormone : Development of oocyte : : Luteinizing hormone : ____________
Explain the importance of cleanliness during the time of menstrual cycle in girls.
The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.
Which one of the following events occurs during the secretory phase of the menstrual cycle?
The life of corpus luteum is generally about ______ days in the absence of pregnancy
In humans, the menstrual cycle is generally of ______.
Calculate the number of spermatozoa produced by a single primary spermatocyte.
Corpus luteum produces ______.
Mainly which type of hormones control the menstrual cycle in human beings?
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
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. |
If the peak of Hormone A does not appear in the study for Subject 1, which of the following statement is true?
Mention the importance of LH surge during menstrual cycle.
What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.
Which of the following statement is correct?
Spermatogenesis is induced by ______.
What hormone types control the menstrual cycle?
