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प्रश्न
Give a significant point of difference between the oestrous and menstrual cycles.
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उत्तर
The oestrous cycle takes place in Non-primate females (which occurs during the Breeding season). Menstrual cycle takes place in primates, which occurs monthly.
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संबंधित प्रश्न
Give appropriate biological or technical terms for the following:
The onset of menstruation in a young girl
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.
Explain the importance of cleanliness during the time of menstrual cycle in girls.
Identify the INCORRECT statement.
A human female reaches menopause aroung the age of ______.
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 ______
Menstruation normally occurs once in ______.
Answer the following questions by observing the diagram of menstrual cycle:
- What is the period of menstruation?
- On which day does ovulation occur during the menstrual cycle?
- In the menstrual cycle which reproductive organs undergo changes?
- Which period is said to be the period of regeneration of endometrium?
- Which period is said to be the period of secretions of glands in endometrium?
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
