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Human Reproduction

Question

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Which of the following statements is correct regarding menstrual cycle

LH induces rupturing of Graafian follicle.

Proliferative phase is characterised by the increased production of progesterone.

Corpus luteum secretes large amount of estrogen.

Both LH and FSH attain a peak level in secretory phase.

Solution

A.

LH induces rupturing of Graafian follicle.

During follicular phase (proliferative phase), follicle stimulating hormone (FSH) secreted by anterior lobe of the pituitary gland stimulates the ovarian follicle to secrete estrogens. Corpus luteum secretes large amount of progesterone in secretory phase. Both LH and FSH attain a peak level in the ovulatory phase (mid of the cycle).

Some More Questions From Human Reproduction Chapter

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

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