Reproduction

?

1. Regarding cerebral events that affect spermatogenesis:

The......releases ......., releasing hormone GNRH, affecting anteriorpituitary gland which releases lutenising hormone and ollicle stimulating hormone, which interact with sexual organs.

  • basal ganglia; dopamine
  • hypothalamus;gonadotropin;
  • medulla oblongata; testosterone
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Other questions in this quiz

2. Which of the following is not part of female reproductive infrastructure?

  • Fallopian tubes, aka oviduct
  • The mechanism by which, after two days spent in an oviduct, an unfertilised egg will disintegrate. In this case the ovaries signal the uterus to shed the extra lining, or endometrial tissue.
  • The mechanism by which the ovaries signal to the uterus to prepare for incoming fertilised egg, causing uterine walls to thicken and become more vascular.
  • Ovaries, which secrete progesterone and oestrogen.
  • Uterus aka womb
  • Aqueducts for sluicing water about.
  • Egg, released by hormonal signal

3. Which of the following is not part of male reproductive infrastructure?

  • Bulbourethra gland provides alkaline secretion to counteract residual acidic urine in the urethra.
  • Epiglottis for occlusion of vas deferens when necessary.
  • Epidymis (site for maturation of spermatozoa)
  • Vas deferens (spécial tube along which spermatozoa are conveyed)
  • Seminal vesicle and prostate, for secreting things into a duct between the VD and urethra for nutrition and energy of spermatozoa.

4. A cell’s life is 5% ....... (cell division), 95% interphase. ..... means cell death.

  • mitosis; Apoptosis;
  • meiosis; Apoptosis
  • mitosis; Prophase
  • meiosis; Metaphase

5. A note on hox genes:

All embryonic planning of body’s regions from head to toe, literally arranged accordingly. The ....... that form them are basically the same amongst all organisms

  • nucleotides
  • gametes
  • glycoproteins

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