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The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called

A. hyaluronidase

B. hyaluronic acid

C. androgamone

D. cryanogamone

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  1. In frog, gastrulation is completed by
  2. Spermatoliosis is a process by which
  3. A freshly unfertilised egg of hen contains
  4. During metamorphosis, the disappearance of larval organs is called
  5. The intestine of tadpole is
  6. Oogonia entering the growth phase of oogenesis is called
  7. The sexual embrage of the male and female frogs is called
  8. The substance fertilizin is secreted by
  9. In frog's egg the divisoin is
  10. The expulsion of completely developed foetus from the uterus is known as
  11. Human beings are
  12. During the development of frog, the ar-chenteron is formed in
  13. In order to become structurally and functionally a spermatozoan, each spermatid has to undergo a process…
  14. Which one has the capacity to reproduce without fertilization of eggs ?
  15. Embryo sac in a hen's egg is formed by
  16. For fertilization of the frog's egg
  17. Development of egg without fertilization is termed as
  18. Cleidoic eggs are found in
  19. Blastopore in frogs development occurs in
  20. The nervous system, epidermis and hairs and nails are derivatives of
  21. During normal development the activation of the egg is achieved by
  22. The formation of the neural tube is known as
  23. Meroblastic cleavage is found in
  24. The cellular movements during gastrula-tion are called
  25. Laternal line system of sense organs present in the skin of tadpole larva
  26. If an unfertilized frog's egg is pricked with a micro-needle, it will
  27. Which of the following do not show parental care over their young ones ?
  28. In the growing oocyte, the nucleus enlarges in size due to an increase in
  29. The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called
  30. The first phase in the sexual reproduction of organisms is