Ovaries are the primary sex organs in human females because they:

I. Produce the female gamete

II. Produce the hormone that regulates the development of secondary sexual characters

1. Both I and lI

2. OnlyI

3. Only II

4. None

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Each Ovary is connected to the pelvic wall and the uterus by:

1. Peritoneum

2. Adipose tissue

3. Ligaments

4. Areolar tissue

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The final release of sperms from the seminiferous tubules is called:

1. Spermiation

2. Emission

3. Retrograde ejaculation

4. Ejaculation

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What causes the onset the puberty in males?

1. Increase in secretion of testosterone by testis

2. Decrease in secretion of testosterone by testis

3. Increase in secretion of GnRH by hypothalamus

4. Decrease in secretion of GnRH by hypothalamus

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FSH:

1. Acts on Sertoli cells and stimulates secretion of some factors that help in spermiogenesis

2. Acts on Sertoli cells and inhibits secretion of some factors that help in spermiogenesis

3. Acts on Leydig cells and stimulates secretion of some factors that help in spermiogenesis

4. Acts on Leydig cells and inhibits secretion of some factors that help in spermiogenesis

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For normal fertility what percent of the sperm in ejaculate must exhibit vigorous motility ?

(1) 20

(2) 30

(3) 40

(4) 60

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The function of male sex accessory ducts and glands are maintained by:

1. Hypothalamic releasing hormone

2. Pitutary gonadotropins

3. Adrenal cortex steroids

4. Testicular androgens

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The division of primary oocyte results in:

1. unequal cells a smaller haploid secondary oocyte and a larger diploid polar body

2. unequal cells a larger haploid secondary oocyte and a smaller haploid polar body

3. unequal cells a smaller diploid secondary oocyte and a larger haploid polar body

4. equal cells - a haploid secondary oocyte and a haploid polar body

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The correct sequence of the various phases of a typical menstrual cycle is:

(1) Menstrual            Follicular            secretory            Ovulatory

(2) Menstrual            Follicular            Ovulatory            secretory

(3) Ovulatory            Follicular            secretory            Menstrual

(4) Menstrual            secretory            Follicular            Ovulatory

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LH surge:
1. is a dramatic sudden increase in the levels of LH during the early part of menstrual cycle and is responsible for ovulation.
2. Is a dramatic sudden decrease in the levels of LH during the early part of menstrual cycle and is responsible for ovulation.
3 is a dramatic sudden decrease in the levels of LH during the mid-menstrual cycle and is responsible for ovulation.
4. is a dramatic sudden increase in the levels of LH during the mid-menstrual cycle and is responsible for ovulation.

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