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प्रश्न
Identify True/False statement. Correct false statement to make it true.
Menstrual cycle ceases during pregnancy.
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उत्तर
This statement is true.
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संबंधित प्रश्न
Describe the role of pituitary and ovarian hormones during the menstrual cycle in a human female.
the biological/technical terms for Fixing of developing zygote on the uterine wall.
Observe the figure and answer the questions given below.
a) What does the above figure indicate?
b) Which human organs are involved in this process?
c) Name the hormones responsible for this process.
d) After how many days these repetitive changes take place?
e) ‚A woman should stay away from others, as her body is impure during this process.‛ What is your opinion about this statement? Elaborate it.
Draw a neat and well-labeled diagram showing T.S. of the ovary and describe the menstrual cycle in human females.
Give Reasons
Missing of menses is the first indication of pregnancy.
State the names of four hormones which control menstrual cycle.
Why menstrual cycle does not take place before puberty and during pregnancy?
Lack of which hormone results in menstrual flow?
Calculate the number of spermatozoa produced by a single primary spermatocyte.
In the absence of fertilization, corpus luteum ____________.
Choose the correct order of phases of the menstrual cycle.
When does ovulatory phase occur?
____________ is transformed to corpus luteum during luteal phase of the menstrual cycle.
Calculate the expected date of ovulation, if in a normal menstruating woman, gets her menses on 5th April.
In the human female, menstruation can be deferred by the administration of ______.
Menstruation is triggered by a sudden decline in the amount of hormone secreted by corpus luteum. Identify the hormone.
Corpus luteum develops from ______.
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 ______
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. |
Which structure in the ovary will remain functional in subject 2?
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:
Menstruation normally occurs once in ______.
Menstrual flow occurs due to lack of ______.
The growth of corpus luteum is initiated by:
The level of progesterone is high at which phase in the menstrual cycle?
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
Spermatogenesis is induced by ______.
Name the following:
The permanent stoppage of menstruation in human females around the age of 45 years.
The egg is passed down through the oviduct by muscular contractions.
Name the following:
Two layers of the wall of uterus.
Name these:
4 phases of the menstrual cycle.
