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प्रश्न
Mention the importance of LH surge during menstrual cycle.
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उत्तर
A rapid surge in LH induces the rupture of the Graafian follicle. This facilitates the release of an ovum. Thus, the rapid surge in LH facilitates ovulation.
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संबंधित प्रश्न
Mention one significant difference between Hormones of ovulatory phase and hormones of luteal phase
Briefly describe the secretory phase of the menstrual cycle.
‘A proper understanding of the menstrual cycle can help immensely in family planning.’ Do you agree with the statement? Provide reasons for your answer.
Name the Following
The onset of menstruation in a young girl at about the age of 13 years.
Explain the ovarian cycle with its different phases.
The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.
Answer the following type of question Assertion (A) and Reason (R).
(A) - Ovulation is the release of the ovum from the Graafian follicle.
(R) - It occurs during the follicular phase of the menstrual cycle.
Progesterone peaks during which phase of the menstrual cycle?
Match the Columns.
| Column I | Column II | ||
| i. | Proliferative phase | a. | Breakdown of the endometrial lining |
| ii. | Secretory phase | b. | Follicular phase |
| iii. | Menstruation | c. | Luteal phase |
How long does the secretory phase of the menstrual cycle last?
Which one of the following is the correct matching of the events occurring during menstrual cycle?
Corpus luteum develops from ______.
Corpus luteum ______.
Which one of the following events is correctly matched with the time period in a normal menstrual cycle?
The main function of mammalian corpus luteum is to produce ______.
A human female experiences two major changes, menarche and menopause during her life. Mention the significance of both the events.
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.
In the figure given below, parts A and B show the level of hormones which influence the menstrual cycle. Study the figure and answer the questions that follow:
- Name the organs which secrete the hormones represented in parts A and B.
- State the impact of the hormones in part B on the uterus of the human female during 6 to 15 days of the menstrual cycle.
Match Column I and Column II with respect to the menstrual cycle.
| Column I | Column II |
|---|---|
| i. Menstrual phase | c. Secretion of inhibin |
| ii. Follicular phase | b. Development of the primary follicle |
| iii. Ovulatory phase | a. Rapid secretion of LH |
| iv. Secretory phase | d. Secretion of estrogen |
Choose the correct option.
