Blastopore in frogs development occurs in

A. blastula and opens in blastocoel

B. blastula and opens in archenteron

C. gastrula and opens in blastocoel

D. gastrula and opens in archenteron

Related Questions

  1. In forg, the sperms released from the testis take the following route to reach the ureter:
  2. Constructive change in the development of frog from tadpole is
  3. If an unfertilized frog's egg is pricked with a micro-needle, it will
  4. During metamorphosis, the disappearance of larval organs is called
  5. When the eggs are released from the ovary of frogs they are at the
  6. The process of synthesis of yolk by the oocyte is termed
  7. During fertilization the spermatozoa penetrate through the egg membranes with the help of
  8. The substance fertilizin is secreted by
  9. Antifertilizin is secreted by
  10. Metamorphosis is a characteristic feature of
  11. Sexual reproduction in larval condition is known as
  12. Embryo sac in a hen's egg is formed by
  13. The sexual embrage of the male and female frogs is called
  14. Laternal line system of sense organs present in the skin of tadpole larva
  15. Meroblastic cleavage is found in
  16. Blastopore in frogs development occurs in
  17. For fertilization of the frog's egg
  18. Oogonia entering the growth phase of oogenesis is called
  19. The intestine of tadpole is
  20. In the human female, the primary oocytes remain small without any growth for
  21. The expulsion of completely developed foetus from the uterus is known as
  22. In frog, gastrulation is completed by
  23. The formation, development and matura- j tion of the female gamete is called
  24. The cellular movements during gastrula-tion are called
  25. Grey cresent is present in
  26. During normal development the activation of the egg is achieved by
  27. Development of egg without fertilization is termed as
  28. How many cleavages are completed in 16 cell stages of frog's egg ?
  29. The allantoic vesicle arises from
  30. Spermatoliosis is a process by which

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