The male hormone testosterone is secreted by

A. Sertoli cells

B. Leydig cells

C. Crypt cells

D. Semniferous tubules

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  1. Normal sperm count is
  2. Part of fallopian tube closest to ovary is
  3. Human eggs are
  4. Decreased motility of sperm <40 % is known as
  5. Albinism is a congenital disorder resulting from the lack of which enzyme?
  6. Amniotic fluid protects the foetus from ...
  7. Pregnancy can be detected as early as on
  8. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
  9. Third phase of embryo development is ...
  10. In uterus, endometrium proliferates in response to ...
  11. An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
  12. A marriage between man with normal vision and colour blind woman will give birth to
  13. Temperature in scrotum necessary for sperm formation is usually ...
  14. Which part of the ovary act as an endocrine gland in human beings
  15. Part of sperm that passes into ovum is
  16. The male hormone testosterone is secreted by
  17. Thick layer which surrounds the ovum is ...
  18. Failure of the brain to grow in the foetus may result in:
  19. Fertility in women may be impaired by
  20. In a semen analysis, the following is not acceptable as normal
  21. Epididymis is ...
  22. Gestation period of 280 days is calculated from time of ...
  23. Corpus luteum secretes
  24. Most of major organs of human embryo are formed by the
  25. The surgical method of contraception in males
  26. Approximately how long does it take for a spermatocyte to complete its differentiation into a spermatozoan…
  27. The most important region of the decidua for the nourishment of the conceptus is the deciduas
  28. After ovulation graffian follicles turns into
  29. Level of estrogen and progesterone are minimum at the time of
  30. The chemical of the ovum that attracts and holds sperm