Biology Quiz: Human Reproduction and Hygiene
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Questions and Answers

What is the correct way to dispose of used sanitary napkins?

  • Leave it in the open area without wrapping it.
  • Wrap it with a used paper and throw it in the open area.
  • Wrap it with a used paper and dispose of it properly. (correct)
  • Throw it directly in the drainpipe of toilets.

What is the result of the second meiotic division of the secondary oocyte?

  • Formation of a haploid ovum and a second polar body (correct)
  • Formation of a diploid ovum
  • Formation of a diploid zygote
  • Formation of a triploid ovum

What determines the sex of the baby during fertilization?

  • The haploid nucleus of the sperms
  • The chromosome pattern in the female gamete
  • The chromosome pattern in the male gamete (correct)
  • The fusion of the male and female gametes

What is the percentage of sperms that carry the X chromosome?

<p>50% (D)</p> Signup and view all the answers

What is the number of chromosomes in each secondary spermatocyte?

<p>23 (C)</p> Signup and view all the answers

What is the result of the fusion of the male and female gametes?

<p>Formation of a diploid zygote (B)</p> Signup and view all the answers

What is the process by which spermatids are transformed into spermatozoa?

<p>Spermiogenesis (C)</p> Signup and view all the answers

What will be the chromosomal pattern of a baby that develops from a zygote carrying XX?

<p>XX (D)</p> Signup and view all the answers

What is the age at which spermatogenesis starts?

<p>At puberty (C)</p> Signup and view all the answers

What is the result of the first meiotic division in a primary spermatocyte?

<p>Two equal, haploid secondary spermatocytes (A)</p> Signup and view all the answers

What stimulates the secretion of two gonadotropins – luteinising hormone (LH) and follicle stimulating hormone (FSH)?

<p>GnRH (B)</p> Signup and view all the answers

What is the correct sequence of embryonic development from the zygote stage?

<p>Blastomere, morula, blastocyst (C)</p> Signup and view all the answers

What determines the sex of the baby?

<p>The father's genetic contribution (C)</p> Signup and view all the answers

What is the role of FSH in the process of spermatogenesis?

<p>Stimulation of secretion of some factors which help in the process of spermiogenesis (A)</p> Signup and view all the answers

What is the term for the process of the blastocyst becoming embedded in the endometrium of the uterus?

<p>Implantation (A)</p> Signup and view all the answers

What is the term for the outer layer of cells in the blastocyst?

<p>Trophoblast (D)</p> Signup and view all the answers

What is the result of the uterine cells dividing rapidly and covering the blastocyst?

<p>Implantation (D)</p> Signup and view all the answers

What is the term for the finger-like projections that appear on the trophoblast?

<p>Chorionic villi (A)</p> Signup and view all the answers

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