Endocrinology Of animal MCQs January 8, 2026March 13, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. . What is endocrinology? (A) The study of animal behavior (B) The study of animal genetics (C) The study of hormones and their effects (D) The study of animal anatomy 2. . Which of the following glands is often referred to as the “master gland”? (A) Thyroid gland (B) Adrenal gland (C) Pituitary gland (D) Pancreas 3. . Which hormone regulates blood sugar levels in animals? (A) Insulin (B) Thyroxine (C) Estrogen (D) Testosterone 4. . What hormone is responsible for regulating calcium levels in the blood? (A) Insulin (B) Thyroxine (C) Parathyroid hormone (D) Glucagon 5. . Which gland produces adrenaline? (A) Thyroid gland (B) Adrenal gland (C) Pituitary gland (D) Pancreas 6. . What is the primary function of cortisol in animals? (A) Regulation of blood sugar levels (B) Regulation of calcium levels (C) Regulation of metabolism (D) Regulation of reproductive functions 7. . Which hormone is responsible for stimulating milk production in female mammals? (A) Prolactin (B) Oxytocin (C) Estrogen (D) Progesterone 8. . What hormone is responsible for stimulating uterine contractions during childbirth? (A) Prolactin (B) Oxytocin (C) Estrogen (D) Progesterone 9. . Which hormone is involved in the regulation of the sleep-wake cycle? (A) Melatonin (B) Adrenaline (C) Thyroxine (D) Cortisol 10. . What hormone stimulates the growth and development of ovarian follicles in female animals? (A) Follicle-stimulating hormone (FSH) (B) Luteinizing hormone (LH) (C) Estrogen (D) Progesterone 11. . Which gland is responsible for producing melatonin? (A) Pineal gland (B) Adrenal gland (C) Thyroid gland (D) Pancreas 12. . What is the primary function of melatonin? (A) Regulation of blood sugar levels (B) Regulation of sleep-wake cycles (C) Regulation of calcium levels (D) Regulation of metabolism 13. . Which hormone stimulates the release of milk from the mammary glands during breastfeeding? (A) Prolactin (B) Oxytocin (C) Estrogen (D) Progesterone 14. . What hormone is responsible for stimulating the development of male secondary sexual characteristics? (A) Testosterone (B) Estrogen (C) Progesterone (D) Prolactin 15. . Which hormone regulates the body’s response to stress? (A) Cortisol (B) Insulin (C) Thyroxine (D) Glucagon 16. . What hormone regulates water balance in the body? (A) Antidiuretic hormone (ADH) (B) Aldosterone (C) Cortisol (D) Parathyroid hormone (PTH) 17. . Which hormone is responsible for stimulating ovulation in female animals? (A) Follicle-stimulating hormone (FSH) (B) Luteinizing hormone (LH) (C) Estrogen (D) Progesterone 18. . What hormone is responsible for stimulating the development of sperm in male animals? (A) Follicle-stimulating hormone (FSH) (B) Luteinizing hormone (LH) (C) Testosterone (D) Estrogen 19. . Which hormone is produced by the ovaries and is important for the development and maintenance of female reproductive tissues? (A) Estrogen (B) Progesterone (C) Prolactin (D) Oxytocin 20. . What hormone is responsible for stimulating the production of red blood cells in animals? (A) Erythropoietin (B) Thyroxine (C) Insulin (D) Glucagon