Quiz  /  NEET MCQ on Embryology

  • 1. 
    This phase in the development of sperm has no counterpart in ovum-development

  • spermiogenesis
  • phase of multiplication
  • phase of growth
  • polar body formation

  • 2. 
    During this phase, the nuclear envelope begins to disappear

  • cytokinesis
  • S phase
  • Anaphase
  • Prometaphase

  • 3. 
    In humans, the number of ova and sperms that would be produced from 100 secondary oocytes and 100 secondary spermatocytes during gametogenesis is

  • 50 ova, 100 sperms
  • 100 ova, 100 sperms
  • 100 ova, 200 sperms
  • 200 ova, 200 sperms

  • 4. 
    The undifferentiated primordial germ cells are larger in size and their chromatin rich nuclei are distinct in

  • growth phase
  • multiplication phase
  • maturation phase
  • all of these

  • 5. 
    Spermatogenesis and oogenesis describe the process of meiosis in males and females, respectively This statement about both processes is true

  • both are halted in an intermediate step until puberty
  • both produce the same number of viable gametes
  • oogenesis produces a larger gamete than spermatogenesis
  • oogenesis forms two polar bodies, spermatogenesis forms only one

  • 6. 
    Typically, in humans, gametes are disease-free or even in other animals as

  • gametes are immune to diseases
  • germs cannot attack gametes
  • germplasm is segregated easily and not subjected to diseases from which somatic cells may suffer
  • none of these

  • 7. 
    Phenomena that creates female gametes, oogenesis is ceased at prophase I up till puberty This describes the DNA content of a female’s gametes during her childhood

  • 23 chromosomes, 23 chromatids
  • 23 chromosomes, 46 chromatids
  • 46 chromosomes, 92 chromatids
  • 46 chromosomes, 46 chromatids

  • 8. 
    The amount of yolk and its distribution are changed in the egg This is affected

  • ferrilization
  • cleavage pattern
  • zygote formation
  • number of blastomeres

  • 9. 
    Haemoendothelial placenta takes place in

  • rat and rabbit
  • camel and deer
  • goat and cow
  • ape and man

  • 10. 
    Atretic follicles occur in

  • Liver
  • Testis
  • Thymus
  • Ovary
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