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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. |
संबंधित प्रश्न
Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.
Why is follicular phase in the menstrual cycle also referred as proliferative phase? Explain.
Explain the events that occur in a graafian follicle at the time of ovulation and thereafter.
Sketch the labelled diagram.
Menstrual cycle
Multiple Choice Question:
The onset of menstruation in the female is termed
Write the answers to the following questions by observing the figure below.
- What does the figure above show?
- Which organs are involved in this process?
- Which hormones are involved in this process?
- After how many days do these changes happen again?
- Explain your opinion about the statement that a woman's body is impure while the above process is going on.
What are the phases of the menstrual cycle? Indicate the changes in the ovary and uterus.
Painful menstruation is termed as ____________.
Luteal phase is also known as ____________.
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. |
The peak observed in Subject 1 and 2 is due to ______
Define ovulation.
Which of the following events is not associated with ovulation in human females?
The growth of corpus luteum is initiated by:
The menstrual cycle begins with ______
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.
Describe hormonal control in various phases of the menstrual cycle.
Answer the following questions by observing the diagram of menstrual cycle:
- What is the period of menstruation?
- On which day does ovulation occur during the menstrual cycle?
- In the menstrual cycle which reproductive organs undergo changes?
- Which period is said to be the period of regeneration of endometrium?
- Which period is said to be the period of secretions of glands in endometrium?
Choose the odd one out from the following terms and name the category to which the others belong:
In the human menstrual cycle, the ovulation occurs around ______.
Name these:
4 phases of the menstrual cycle.
