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Assertion : In post natal life , oocyte ...

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

A

If both Assertion and Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion and Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true but Reason is false, then mark (3)

D

If both Assertion and Reason are false, then mark (4)

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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) 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.

Corpus luteum formed from the remnants of graffian follicles after ovulation is maintained by

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

(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) 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.

CENGAGE BIOLOGY ENGLISH-HUMAN REPRODUCTION -Assertion -Reasoning Question
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  3. Nothing lives for ever, yet life continues. What does it mean?

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  5. Assertion: Placenta is contra-deciduate and even the fetal placenta is...

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  6. Assertion: Polar bodies have small amount of cytoplasm. Reason: It i...

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  7. Assertion: Ovulation takes place when the blood level of luteinizing h...

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  8. Assertion: Umbilical cord contain 100% fetal blood. Reason: It has s...

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  9. Assertion: The activation of sperm is called capacitation Reason: C...

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  10. Assertion: Before fusion, spermatozoa have to penetrate egg membrane....

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  11. Assertion : In post natal life , oocyte development occurs in mature f...

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  12. Assertion : Placenta is combined structure of foetal tissue & maternal...

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  13. Assertion: Seminal vesicle is known as the accessory sex organ of male...

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  14. Assertion: Testes are retroperitoneal organ in man. Reason: Peritone...

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  15. Assertion: Cervix contains the largest and the most powerful sphincter...

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  16. Assertion: In ovarian cycle, corpus luteum is exocrine gland. Reason...

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