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Embryology — MCQs Biology

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1. Embryology is the study of:





2. Fertilization is the process of:





3. Zygote is:





4. Cleavage refers to:





5. Blastula is:





6. Blastocoel is:





7. Gastrulation is the process that forms:





8. The three primary germ layers are:





9. Ectoderm gives rise to:





10. Mesoderm gives rise to:





11. Endoderm gives rise to:





12. Neurulation results in:





13. Neural crest cells give rise to:





14. Somitogenesis forms:





15. Morphogens are:





16. Hox genes regulate:





17. Organogenesis refers to:





18. Limb bud formation is controlled by:





19. Sonic hedgehog (Shh) gene controls:





20. Wnt signaling pathway regulates:





21. Notch signaling pathway is involved in:





22. Apoptosis during embryogenesis is:





23. Blastocyst implantation occurs in:





24. Extraembryonic membranes include:





25. Amnion functions to:





26. Allantois functions in:





27. Chorion functions in:





28. Yolk sac functions in:





29. Totipotent cells can:





30. Pluripotent cells can:





31. Multipotent cells can:





32. Induction in embryology refers to:





33. Competence in cells means:





34. Determination in embryogenesis is:





35. Blastopore in protostomes forms:





36. Blastopore in deuterostomes forms:





37. Epigenesis theory states:





38. Preformation theory suggested:





39. Cleavage in amphibians is:





40. Cleavage in birds is:





41. Mammalian cleavage is:





42. Human gastrulation occurs in:





43. Extraembryonic membranes are derived from:





44. Amniotic fluid is secreted by:





45. Chorionic villi participate in:





46. Extraembryonic coelom is formed between:





47. Human placentation type is:





48. Teratogens affect:





49. Fetal period in humans starts from:





50. Organogenesis in humans is mostly completed by:





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