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During normal development the activation of the egg is achieved by

A. vitellogenesis

B. oogenesis

C. spermatogenesis

D. fertilization

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  1. In order to become structurally and functionally a spermatozoan, each spermatid has to undergo a process…
  2. A true coelom is covered by
  3. In forg, the sperms released from the testis take the following route to reach the ureter:
  4. The formation, development and matura- j tion of the female gamete is called
  5. Oral contraceptives check
  6. The formation of the neural tube is known as
  7. The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called
  8. Cleidoic eggs are found in
  9. If an unfertilized frog's egg is pricked with a micro-needle, it will
  10. The sexual embrage of the male and female frogs is called
  11. Blastopore in frogs development occurs in
  12. A freshly unfertilised egg of hen contains
  13. Human egg is
  14. In the human female, the primary oocytes remain small without any growth for
  15. Mammalian placenta is
  16. During normal development the activation of the egg is achieved by
  17. The intestine of tadpole is
  18. During fertilization the spermatozoa penetrate through the egg membranes with the help of
  19. Sexual reproduction in larval condition is known as
  20. The process of synthesis of yolk by the oocyte is termed
  21. Which one has the capacity to reproduce without fertilization of eggs ?
  22. In frog's egg the divisoin is
  23. For fertilization of the frog's egg
  24. When the eggs are released from the ovary of frogs they are at the
  25. Which of the following do not show parental care over their young ones ?
  26. During cleavage, the embryo
  27. Constructive change in the development of frog from tadpole is
  28. During the development of frog, the ar-chenteron is formed in
  29. Meroblastic cleavage is found in
  30. The allantoic vesicle arises from