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Human egg is

A. centrolecithal

B. microlecithal

C. mesolecithal

D. telolecithal

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  1. Sexual reproduction in larval condition is known as
  2. During cleavage, the embryo
  3. Oral contraceptives check
  4. The sperm produces substances of enzymatic nature of sperm lysin. In mammals, it is called
  5. Laternal line system of sense organs present in the skin of tadpole larva
  6. Oogonia entering the growth phase of oogenesis is called
  7. Embryo sac in a hen's egg is formed by
  8. In frog, gastrulation is completed by
  9. During fertilization the spermatozoa penetrate through the egg membranes with the help of
  10. During metamorphosis, the disappearance of larval organs is called
  11. In the growing oocyte, the nucleus enlarges in size due to an increase in
  12. Which one has the capacity to reproduce without fertilization of eggs ?
  13. Which of the following does not show metamorphosis ?
  14. The nervous system, epidermis and hairs and nails are derivatives of
  15. The expulsion of completely developed foetus from the uterus is known as
  16. The intestine of tadpole is
  17. In the human female, the primary oocytes remain small without any growth for
  18. The formation of the neural tube is known as
  19. Constructive change in the development of frog from tadpole is
  20. Blastopore in frogs development occurs in
  21. Spermatoliosis is a process by which
  22. Metamorphosis is a characteristic feature of
  23. How many cleavages are completed in 16 cell stages of frog's egg ?
  24. Grey cresent is present in
  25. Which of the following develops from ectoderm ?
  26. Human beings are
  27. Cleidoic eggs are found in
  28. When the eggs are released from the ovary of frogs they are at the
  29. During normal development the activation of the egg is achieved by
  30. Antifertilizin is secreted by