The human sperm was first seen and described by

A. Hamm and Leeuwenhock

B. Spallazani

C. De Graff

D. VonBaer

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  1. The gestation period of rabbit is
  2. The structure formed after release of ova from Graffian follicles and secretory in nature, is
  3. After a sperm has entered an ovum in the process of fertilization, entry of further sperms is prevented…
  4. A woman's fertility ceases at about 49-55 years. This is known as
  5. The human sperm was first seen and described by
  6. The female rabbit is
  7. Placenta is the region, where
  8. In the human menstrual cycle, ovulation occurs around
  9. Allantois of the mammalian embryo helps in
  10. The capsule enclosing testes of mammal is known as
  11. The gestation period of elephant is about
  12. Amniotic fluid protects the foetus from
  13. The part of reproductive system in male which neither produces hormones nor sperms is
  14. One of the following accessory glands in the male reproductive system produces secretions that neutralise…
  15. Amnion is an extra-embryonic embrane which develops during the embryonic development of
  16. Those person in which testes does not descend into scrotal sac
  17. The testes secrete a group of hormones called
  18. The structure of the male reproductive system that corresponds to oviduct of the female system is
  19. The site of fertilization in the female mammalian reproductive system is
  20. The region where the sperm enters egg is called
  21. Clitoris in mammals is
  22. In the testis of rabbit, the hormone secreting cells are
  23. Sertoli cells are located in
  24. In which of the animals, the fertilization occurs externally in water ?
  25. Fertilizers are substances emitted from
  26. Cryptorchidism is a condition in which testes are
  27. Failure of descending testis into the scrotum is known as
  28. The seminal vesicle in rabbit is found at the junction of
  29. Rupturing of follicles and discharge of ova is known as
  30. The placental barrier between animal and foetal blood is minimum