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The following graph shows the levels of ...


The following graph shows the levels of pituitary hormones during a menstrual cycle. What do 1 and 2 represent?

A

`{:(1,2),(LH,FSH):}`

B

`{:(1,2),("Estrogen","Progesterone"):}`

C

`{:(1,2),("FSH","LH"):}`

D

`{:(1,2),("Progesterone","Estrogen"):}`

Text Solution

Verified by Experts

The correct Answer is:
C

In the given graph, 1 and 2 are FSH and LH respectively. The secretion of both LH and FSH attain peak level during the ovulation (`14^(th)` day of the cycle.)
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NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
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  2. Given below is an incomplete flow chart showing influence of hormones ...

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  3. The following graph shows the levels of pituitary hormones during a me...

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  4. The following graph shows the levels of ovarian hormones during a mens...

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  5. The accompanying diagram shows the changes that take place in the endo...

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  6. The phase of menstrual cycle in humans that last for 7-8 days, is

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  7. During proliferative phase, uterine wall undergoes certain changes, th...

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  8. Repair of endometrium is undertaken by

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  9. In the 28 days human ovarian cycle, the ovulation takes place typicall...

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  10. The time of optimum chances of conception in a woman isstarting from t...

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  11. Ovulation in the human female normally takes place during the menstrua...

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  12. After ovulation graafian follicle regresses into

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  13. Immediately after ovulation, the mammalian egg is covered by a membran...

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  14. Below is given the unorganised list of some important events in the hu...

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  15. Which one of the following is the correct matching of the events occur...

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  16. Which one of the following events is correctly matched with the time p...

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  17. A regular cycling woman is not menstruating which one of the following...

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  18. Read the following statements about menstrual cycle and select two cor...

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  19. If mammalian ovum fails to get fertilised, which one of the following...

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