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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Identify True/False statement. Correct false statement to make it true. Menstrual cycle ceases during pregnancy. - Biology

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प्रश्न

Identify True/False statement. Correct false statement to make it true.

Menstrual cycle ceases during pregnancy.

चूक किंवा बरोबर
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उत्तर

This statement is true.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Human Reproduction - NCERT EXERCISES [पृष्ठ ११७]

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नूतन Biology [English] Class 12 ISC
पाठ 3 Human Reproduction
NCERT EXERCISES | Q 16. (f) | पृष्ठ ११७

संबंधित प्रश्‍न

Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.


Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females


The Graafian follicle, after ovulation turns into a hormone producing issue called Corpus callosum.


Uterus, Parturition, Fertilisation, Gestation, Implantation.


What is menstrual cycle? Describe it in brief.


Draw a neat and well-labeled diagram showing T.S. of the ovary and describe the menstrual cycle in human females. 


Define: Menarche


Give Reasons

The chances of pregnancy to occur are most favourable on or about the 14th day of the menstrual cycle. Explain.


Meanrch, menstrual cycle, and menopause are controlled by ______.


Describe the structure of a Graafian follicle.


The menstrual cycle ceases during pregnancy.


In the absence of fertilization, corpus luteum ____________.


Which hormone is secreted by the developing secondary follicles?


All occur during follicular phase of menstrual cycle, EXCEPT


Identify the INCORRECT statement.


Secretion of progesterone by corpus luteum is initiated by ______.


Ovulation in the human female normally takes place during the menstrual cycle ______.


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.

Subject 2 has a higher level of hormone B, which is ______


Exit from the cell cycle and remain dormant for long time by a cell is represented by one of the following phases of the cell cycle:


The Corpus luteum grows during menstruation.


The main function of mammalian corpus luteum is to produce ______.


After ovulation the collapsed ovarian follicle shrinks and becomes filled with cell to form:


The growth of corpus luteum is initiated by:


The menstrual cycle begins with ______


Identify the correct statement from the following:


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.


The onset of menstruation in a human female is called ______.


The egg is passed down through the oviduct by muscular contractions.


The onset of menstruation in women is called ______.


Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Follicular phase: 5-12 days:: Luteal phase : ______ days.


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