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Animals that are well known to use pheromones are

A. Centipedes

B. Hydra

C. Pigeons

D. Ants

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  2. Disease not caused by malfunctioning of thyroid is
  3. In the ovary, the progesterone and estrogen are secreted by
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  5. Acromegaly is a disease in which the bones develop irregularly, which is due to over secretion of
  6. Which endocrine gland stores its secretion in an extracellular space before discharging it into the…
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  9. At the time of puberty the hormone that triggers sexual characters in male is
  10. The fight or flight response in the event of danger, is chiefly effected by
  11. Estrogen is secreted by cells of
  12. Which of the following will be least effected if the pituitary gland of an adult rat is removed?
  13. M.S.H produced by the pars intermedia of pitiutary causes in lower vertebrates
  14. ACTH is secreted by
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  17. In the male, testosterone exerts profound effects on
  18. Corpus luteum is formed by
  19. Gonadotropic hormones are produced in
  20. Which of the following is homologous with the oviduct of frog ?
  21. In the blood calcium and phosphate levels are controlled by
  22. Function of cholecystokinin is to
  23. The expulsion of milk from the breast during sucking by the child is brought about by
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  25. Throughout pregnancy the hormones which remain low in plasma are
  26. One of the endocrine glands is known as master gland:
  27. Androgens are secreted from
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  29. A hormone, pressure of which in blood or urine serves as pregnancy tests is
  30. Pituitary gland is under the control of