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Oogonia entering the growth phase of oogenesis is called

A. primary oocyte

B. secodnary oocyte

C. ootid

D. gonocyte

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  1. Oogonia entering the growth phase of oogenesis is called
  2. If an unfertilized frog's egg is pricked with a micro-needle, it will
  3. The nervous system, epidermis and hairs and nails are derivatives of
  4. Which one has the capacity to reproduce without fertilization of eggs ?
  5. During normal development the activation of the egg is achieved by
  6. How many cleavages are completed in 16 cell stages of frog's egg ?
  7. Grey cresent is present in
  8. Mammalian placenta is
  9. The intestine of tadpole is
  10. Meroblastic cleavage is found in
  11. During fertilization the spermatozoa penetrate through the egg membranes with the help of
  12. Development of egg without fertilization is termed as
  13. Sexual reproduction in larval condition is known as
  14. In the growing oocyte, the nucleus enlarges in size due to an increase in
  15. Which of the following does not show metamorphosis ?
  16. The first phase in the sexual reproduction of organisms is
  17. During metamorphosis, the disappearance of larval organs is called
  18. During cleavage, the embryo
  19. In forg, the sperms released from the testis take the following route to reach the ureter:
  20. Spermatoliosis is a process by which
  21. The sexual embrage of the male and female frogs is called
  22. Which of the following do not show parental care over their young ones ?
  23. Human egg is
  24. The substance fertilizin is secreted by
  25. In order to become structurally and functionally a spermatozoan, each spermatid has to undergo a process…
  26. Laternal line system of sense organs present in the skin of tadpole larva
  27. The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called
  28. The process of synthesis of yolk by the oocyte is termed
  29. Embryo sac in a hen's egg is formed by
  30. The allantoic vesicle arises from