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Name the Following the Onset of Menstruation in a Young Girl at About the Age of 13 Years. - Biology

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प्रश्न

Name the Following

The onset of menstruation in a young girl at about the age of 13 years.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Menarch

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अध्याय 10: The Reproductive System - Name the Following

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आईसीएसई Biology [English] Class 10 ICSE
अध्याय 10 The Reproductive System
Name the Following | Q 17

संबंधित प्रश्न

The human female gonads are ovaries. A maturing egg in the ovary is present in a sac of cells called ______ (1). As the egg grows larger, the follicle enlarges and gets filled with a fluid and is now called the ______ (2) follicle. The process of releasing the egg from the ovary is called ______ (3). The ovum is picked up by the oviducal funnel and fertilization takes place in the ______ (4). In about a weak the blastocyst gets fixed in the endometrium of the uterus and this process is called ______ (5).


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Menarche is the stoppage of menstruation.


Why menstrual cycle does not take place before puberty and during 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.

Do you think that Rahini’s objection towards her parents was correct? If so, Why?


Identify the phase of the menstrual cycle during which there is a peak in the level of progesterone.


Progesterone peaks during which phase of the menstrual cycle?


When does the following step take place?


Proliferative phase of menstrual cycle, is also called ______.


The growth of corpus luteum is initiated by:


Observe the figure and label it properly.

  1. Name the hormone that regulates the cycle.
  2. Name the phases in this cycle.
  3. What is the duration of ovulation phase?
  4. What happens if implantation occurs?
  5. What happens if implantation does not occur?

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