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Assertion: In post natal life, oocyte de...

Assertion`:` In post natal life, oocyte development occurs in mature follicle.
Reason`:` After ovulation , the Graafian follicle transforms in corpus luteum.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion .

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False .

D

If both Assertion & Reason are False.

Text Solution

Verified by Experts

The correct Answer is:
B
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(a) Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase. (b) Why is follicular phase in the menstrual cycle also referred as proliferative phase ? Explain. (c) Explain the events that occur in a Graafian follicle at the time of ovulation and thereafter. (d) Draw a Graafian follicle and label antrum and secondary oocyte.

(a) Draw a sectional view of human ovary. Label the following parts : (i) Primary follicle. (ii) Secondary oocyte. (iii) Graafian follicle. (iv) Corpus luteum. (b) Name the hormones influencing follicular development of corpus luteum.

Draw a diagram of sectional view of human ovary and label (i) Primary follicle, (ii) Tertiary follicle, (iii) Graafian follicle and (iv) Corpus luteum.

Assertion : During follicular phase , the primary follicles in the ovary grow to become a fully mature Graafian follicle . Reason : Endometrium of uterus regenerates during follicular phase due to increasing level of progesterone .

(a) Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase. (b) Why is follicular phase in the menstrual cycle also referred as proliferative phase ? Explain. (c) Explain the events that occur in a graffian follicle at the time of ovulation and there after. (d) Draw a graffian follicle and label antrum and secondary oocyte.

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