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%</p> Signup and view all the answers

    What is the number of chromosomes in each secondary spermatocyte?

    <p>23</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</p> Signup and view all the answers

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

    <p>Spermiogenesis</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</p> Signup and view all the answers

    What is the age at which spermatogenesis starts?

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

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

    <p>GnRH</p> Signup and view all the answers

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

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

    What determines the sex of the baby?

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

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

    <p>Trophoblast</p> Signup and view all the answers

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

    <p>Implantation</p> Signup and view all the answers

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

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

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