Animals that are well known to use pheromones are

A. Centipedes

B. Hydra

C. Pigeons

D. Ants

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  1. The technique of amniocentesis can be employed for the dectection of
  2. Disease not caused by malfunctioning of thyroid is
  3. In the ovary, the progesterone and estrogen are secreted by
  4. The activity of Leydig cells is governed by a pituitary hormone abbreviated as
  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…
  7. Due to hyposecretion from pituitary, the disease is
  8. Deficiency of iodine in diet leads to
  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
  15. Islets of Langerhans secrete a hormone which controls diabetes mellitus :
  16. Diabetes mellitus is due to deficiency of
  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
  24. Hormones which are produced by neurons are
  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
  28. Hyperglycemia is an indication of mal-functining of
  29. A hormone, pressure of which in blood or urine serves as pregnancy tests is
  30. Pituitary gland is under the control of