Developmental Biology — MCQs Biology

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1. Developmental biology studies:





2. The zygote is formed by:





3. Cleavage is:





4. Blastula is:





5. Gastrulation leads to the formation of:





6. The three primary germ layers are:





7. The ectoderm gives rise to:





8. The mesoderm gives rise to:





9. The endoderm gives rise to:





10. Neurulation is the process of forming:





11. Somitogenesis gives rise to:





12. Morphogens are:





13. Homeotic genes (Hox genes) regulate:





14. Induction in development refers to:





15. Apoptosis is:





16. In amphibians, the dorsal lip of the blastopore acts as:





17. Epigenesis theory states that:





18. Preformation theory suggested that:





19. Cleavage pattern in amphibians is:





20. Cleavage in birds is:





21. Blastopore in protostomes forms:





22. Blastopore in deuterostomes forms:





23. Morphogenesis refers to:





24. Pattern formation refers to:





25. Cell differentiation involves:





26. Totipotent cells can:





27. Pluripotent cells can:





28. Multipotent cells can:





29. Stem cells are:





30. In humans, gastrulation occurs at:





31. Neural crest cells give rise to:





32. Limb bud formation is controlled by:





33. Sonic hedgehog (Shh) gene is important in:





34. Wnt signaling pathway regulates:





35. Notch signaling pathway is involved in:





36. Apical-basal polarity in cells determines:





37. Morphogen gradients provide:





38. Organogenesis refers to:





39. Blastocyst implantation occurs in:





40. Extraembryonic membranes include:





41. Amnion functions to:





42. Allantois functions in:





43. Chorion functions in:





44. Yolk sac functions in:





45. Fertilization in humans occurs in:





46. Cleavage in mammals is:





47. Gastrulation results in:





48. Induction, competence, and determination are:





49. Organizer regions in embryos control:





50. Totipotent, pluripotent, and multipotent describe:





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