Quiz  /  NEET MCQ on Implantation and Gastrulation

  • 1. 
    Which of the following organ is formed during gastrulation?

  • Gill
  • Vitelline membrane
  • Heart
  • Archenteron

  • 2. 
    Mesoderm gives rise to all the structures except ______

  • Gonads
  • Circulatory system
  • Nervous system
  • Muscular system

  • 3. 
    In human females, the fertilized eggs get implanted in the uterus after ________

  • One month of fertilization
  • Two months of fertilization
  • Seven days of fertilization
  • Three weeks of fertilization

  • 4. 
    Brain, nerve cells and spinal cord or the central nervous system develops from embryonic ______

  • Mesoderm
  • Endoderm
  • Ectoderm
  • Both and

  • 5. 
    Which of the following options contains only the mesodermal structures?

  • Heart, blood, bones, notochord
  • Heart, blood, muscles, liver
  • Notochord, blood, liver, muscles
  • Liver, heart, bones, blood

  • 6. 
    Implantation is the process of__________

  • Attachment of blastocyst to the uterine wall
  • Egg movement
  • Degeneration of egg
  • Egg fertilization

  • 7. 
    Which of the following embryo has a parasitic mode of nutrition?

  • Mammalian embryo
  • Bird’s embryo
  • Amphibian embryo
  • Reptilian embryo

  • 8. 
    which of the following events is likely to take place, if the nuclei from an 8-celled stage of an embryo are transplanted into enucleated eggs

  • Recipient egg dies
  • Donor nuclei die in the new environment
  • Cleavage occurs but is arrested after some time
  • Formation of the viable embryo in the recipient eggs

  • 9. 
    Egg implantation is followed by______

  • Parturition
  • Copulation
  • Fertilization
  • Gestation

  • 10. 
    Pseudopregnancy is a physiological condition, comparable to normal pregnancy except that there is no__________

  • endometrial changes
  • developing foetus
  • corpus luteum
  • developing ovum
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