Advertisements
Advertisements
Question
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?
Advertisements
Solution
- The period of menstruation is from the 1st to 4th day of the menstrual cycle.
- The ovulation occurs during the 14th and 15th day of menstrual cycle.
- In the menstrual cycle, Ovary and Uterus lining undergo changes.
- The 5th to 13th day of the menstrual cycle is the period of regeneration of the endometrium.
- 16th to 28th day are said to be the period of secretions of glands in endometrium.
APPEARS IN
RELATED QUESTIONS
Which hormones regulate menstrual cycle?
Uterus, Parturition, Fertilisation, Gestation, Implantation.
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.
Explain the changes that occur in the ovary and uterus during menstrual cycle in human females. Mention the influence of pituitary and ovarian hormones in bringing these changes.
Give Reasons
The chances of pregnancy to occur are most favourable on or about the 14th day of the menstrual cycle. Explain.
Multiple Choice Question:
The onset of menstruation in the female is termed
Describe the structure of a Graafian follicle.
The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.
The life of corpus luteum is generally about ______ days in the absence of pregnancy
Corpus luteum develops under the influence of ______.
Secretion of progesterone by corpus luteum is initiated by ______.
Menstruation is triggered by a sudden decline in the amount of hormone secreted by corpus luteum. Identify the hormone.
Proliferative phase of menstrual cycle, is also called ______.
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?
About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH Surge) normally occurs?
The growth of corpus luteum is initiated by:
The menstrual cycle begins with ______
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
