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प्रश्न
Name the Following
The onset of menstruation in a young girl at about the age of 13 years.
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उत्तर
Menarch
APPEARS IN
संबंधित प्रश्न
Give a significant point of difference between the oestrous and menstrual cycles.
Give Reasons
Missing of menses is the first indication of pregnancy.
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?
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.
Calculate the number of spermatozoa produced by a single primary spermatocyte.
Identify the correct statement from the following:
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
The enlarged mature follicle bursts to release the egg.
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.
The first menstruation is called ______.
