The allantoic vesicle arises from

A. foregut

B. midgut

C. hindgut

D. somatopleure

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  1. In frog's egg the divisoin is
  2. Meroblastic cleavage is found in
  3. During metamorphosis, the disappearance of larval organs is called
  4. Constructive change in the development of frog from tadpole is
  5. During fertilization the spermatozoa penetrate through the egg membranes with the help of
  6. How many cleavages are completed in 16 cell stages of frog's egg ?
  7. A true coelom is covered by
  8. Oral contraceptives check
  9. Human egg is
  10. Development of egg without fertilization is termed as
  11. Human beings are
  12. During cleavage, the embryo
  13. The process of synthesis of yolk by the oocyte is termed
  14. Which one has the capacity to reproduce without fertilization of eggs ?
  15. The cellular movements during gastrula-tion are called
  16. The formation of the neural tube is known as
  17. In forg, the sperms released from the testis take the following route to reach the ureter:
  18. The nervous system, epidermis and hairs and nails are derivatives of
  19. In order to become structurally and functionally a spermatozoan, each spermatid has to undergo a process…
  20. Laternal line system of sense organs present in the skin of tadpole larva
  21. If an unfertilized frog's egg is pricked with a micro-needle, it will
  22. During normal development the activation of the egg is achieved by
  23. A freshly unfertilised egg of hen contains
  24. Sexual reproduction in larval condition is known as
  25. The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called
  26. Blastopore in frogs development occurs in
  27. Oogonia entering the growth phase of oogenesis is called
  28. For fertilization of the frog's egg
  29. The expulsion of completely developed foetus from the uterus is known as
  30. In the growing oocyte, the nucleus enlarges in size due to an increase in