Endocrine System Welcome to your Endocrine System 1. Which statement is not for a hormone? They act on target organs usually away from the source glands They are secreted directly into the blood They are used again and again like catalysts They are produced in very minute quantities and are biologically active 2. The basal metabolic rate in body cells is regulated by Parathyroid Thyroid Pituitary Thymus 3. The mammalian thymus is mainly concerned with Regulation of body temperature Regulation of body growth Secretion of thyrotropins Immunological functions 4. Which of the following glands has both endocrine and exocrine functions? Pituitary gland Thyroid gland Pancreas gland Adrenal gland 5. Pancreas is a mixed gland in which All cells secrete enzymes and hormones Most cells secrete hormones Few cells secrete enzymes Enzymes and hormones are secreted by separate cells 6. Secretin is secreted by Testes and stimulates male secondary character Adrenal gland and stimulates heart beat Small intestine and stimulates pancreas Pancreas and stimulates conversion of glycogen into glucose 7. Vasopressin is concerned with Quick digestion Slow heart beat Concentration of urine Dilution of urine 8. Glucagon is secreted by The β cells of Islets of Langerhans The α cells of Islets of Langerhans The β cells of Pancreas The adrenal cortex 9. Leydig cells are meant for Formation of spems Production of progesterone Production of testosterone Nutrition of sperm 10. Human chorionic gonadotropin Stimulates the growth of placenta Stimulates the development of new follicles Inhibits the secretion of milk till child birth Stimulates the corpus luteum to grow and secrete progesterone 11. The hormone secreted by the posterior pituitary gland is Growth hormone Adrenocorticotropic hormone Antidiuretic hormone Luteinizing hormone 12. Which of the following is not an endocrine gland? Adrenal Pituitary Lacrimal Thyroid 13. The hormone that promotes lactation is Vasopressin Oxytocin Prolactin Thyroxine 14. Luteinizing hormone in males is responsible for Testosterone secretion Semen secretion Progesterone secretion Vasopressin secretion 15. Spermatogenesis in males is promoted by ACTH LH FSH GH 16. This hormone is responsible for fight or flight Thyroxine and melatonin Insulin and Glucagon Epinephrine or Norepinephrine Oestrogen and progesterone 17. Which of the following glands is unpaired? Adrenal Testes Pituitary Ovary 18. Which statement is not true about thyroxine? Iron is essential for the synthesis of thyroxine Regulates carbohydrates, fat and protein metabolism in the body Thyroid gland requires iodine for the synthesis of Thyroxine Thyroxine is also called Thyroid hormone 19. The islets of langerhans produces Insulin Glucagon Somatostatin All these 3 hormones 20. Hypothyroidism leads to Simple Goitre Cretinism Myxoedema All the 3 conditions Please fill in the comment box below. Time is Up!