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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.

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The correct Answer is:
B
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Assertion : In post natal life , oocyte development occurs in mature follicle Reason : After ovulation , Graafian follicle transforms in corpus luteum

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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.

ALLEN-REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH -Exercise-IV (Assertion & Reason)
  1. Assertion: In post natal life, oocyte development occurs in mature fol...

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  2. Assertion: Placenta is combined structure of fetal tissure and materna...

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  3. Assertion : Corpus albicans is an inactive structure which is found in...

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  4. Assertion : Menarche starts around the age of puberty . Reason : Af...

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  5. Assertion : Corpus luteum is present in proliferative phase of menstru...

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  6. Assertion : During embrynic stage testes descend down and at the time ...

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  7. Assertion : After ovulation ruptured graafian follicle transforms into...

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  8. Assertion : After fertilization corpus luteum is stable till parturiti...

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  9. Assertion : Ovulation occurs on the 14^(th) day of menstrual cycle in ...

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  10. Assertion : From day 10 to 17 of the mentrual cycle is called fertile ...

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  11. Assertion : Sperm formation continues even in old men but formation of...

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  12. Assertion : The testes are situated outside the abdominal cavity withi...

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  13. Assertion : Formation of sperm takes place in seminiferous tubules of ...

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  14. Assertion : In the human the temperature of scrotum is 2-2.5^(@)C less...

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  15. Assertion : Vasectomy is considered in permanent sterilization method...

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  16. Assertion : Zona pellucida is glycoproteinous in nature and dissolved ...

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  17. Assertion : The menstrual flow results due to breakdown of endometrial...

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  18. Assertion : During follicular phase , the primary follicles in the ova...

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  19. Assertion : The level of FSH & LH attain a peak level in the middle of...

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  20. Assertion : Regular cyclic menstruation is an indicator of normal repr...

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