Ovulation in human female normally takes place during menstrual cycle

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2.Human Reproduction

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

A

At the beginning of the proliferative phase

B

At the end of the proliferative phase

C

At the mid secretory phase

D

Just before the end of the secretory phase

(AIPMT-2004)

Solution

(b) The ovum is ejected from the follicle near the end of proliferative phase i.e. $14^{th}$ day or midway during menstrual cycle.

Standard 12

Biology

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Similar Questions

Match the columns.

Column 1 Column II

$(a)$ $6-14$ days $(1)$ It is known as menstrual cycle

$(b)$ $1-5$ days $(2)$ Polar body is down

$(c)$ $15-28$ days $(3)$ It is known as proliferative phase

$(4)$ Endometrium is prepared forimplantation of embryo

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The following graph of relative concentrations of the four hormones present in the blood plasma of a woman during her menstrual cycle. Identify the hormones.

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(AIIMS-2015)

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.

$\boxed{\rm {Primary follicles}}$

$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \downarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \leftarrow \,\boxed A$

$\boxed{\rm {Graafian follicle}}$

$\,\,\,\,\,\,\,\,\,\,\,\,\,\, \downarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \leftarrow \,\boxed B$

$\,\,\,\,\,\,\,\,\,\,\,\boxed{\rm {Ovum}}$

$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \downarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \leftarrow \,\boxed C$

$\boxed{\rm {Corpus leuteum}}$

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How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?

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