Islets of Langerhans secrete a hormone which controls diabetes mellitus :

A. Insulin

B. Rennin

C. Ptyalin


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  1. Hyper secretion of adrenal cortex causes
  2. Pituitary gland is under the control of
  3. Throughout pregnancy the hormones which remain low in plasma are
  4. The spermatogenesis in mammalian testis is conrolled by
  5. The human chorionic gonadotrophin is secreted by
  6. Male reproductive functions are controlled by
  7. In the ovary, the progesterone and estrogen are secreted by
  8. Regulation of volume of urine is caused by
  9. Function of cholecystokinin is to
  10. Disease not caused by malfunctioning of thyroid is
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  12. A decrease in level of oestrogen and progesterone causes
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  14. The activity of Leydig cells is governed by a pituitary hormone abbreviated as
  15. Thyroxine has direct effect on
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  17. Estrogen is secreted by cells of
  18. The technique of amniocentesis can be employed for the dectection of
  19. Which disease is caused by the deficiency of thyroxine in the adult ?
  20. Acromegaly is a disease in which the bones develop irregularly, which is due to over secretion of
  21. Addison's disease is caused by under secretion of
  22. A hormone, pressure of which in blood or urine serves as pregnancy tests is
  23. Androgens are secreted from
  24. New ovarian follicles will not begin to ripen as long as the blood has high level of
  25. The glands which pour their secretion directly into blood are tamed as
  26. M.S.H produced by the pars intermedia of pitiutary causes in lower vertebrates
  27. In the male, testosterone exerts profound effects on
  28. At the time of birth, oxytocin acts on uterus by
  29. Symptoms such as softening of bones which are easily bent or fractured are mainly due to
  30. Deficiency of iodine in diet leads to