This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 22 Chemical Coordination And Integration – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 22 Chemical Coordination And Integration Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A-iodothyronine can regulate gene expressionR-hormone receptor complex can interact with nuclear genome A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: A) A&R both true, R is the correct explanation of A. 2. What hormone is secreted by the pineal gland? A) Cortisol. B) Thyroxine. C) Insulin. D) Melatonin. Show Answer Correct Answer: D) Melatonin. 3. Endocrine glands produce or action of endocrine glands is mediated through: A) Vitamins. B) Hormones. C) Minerals. D) Enzymes. Show Answer Correct Answer: B) Hormones. 4. ..... is / are glands that are present on the dorsal surface of thyroid gland. A) Thymus. B) Pituitary gland. C) Parathyroid glands. D) Adrenal gland. Show Answer Correct Answer: C) Parathyroid glands. 5. Neurohypophysis is also known as A) Pars nervosa. B) Pars intermedia. C) Pars distalis. D) Hypophysis. Show Answer Correct Answer: A) Pars nervosa. 6. Thyroxine has an important role in regulating A) Blood calcium level. B) Basal metabolic rate. C) Water and electrolyte balance. D) Both (b) and (c). Show Answer Correct Answer: D) Both (b) and (c). 7. Which of the following anterior pituiary is linked directly to body whereas other hormones mostly control other glands? A) Pitocin. B) Somatotropin. C) Somatostatin. D) Somatocrinin. Show Answer Correct Answer: B) Somatotropin. 8. Which of the following is caused due to hypersecretion of thyroxin hormone? A) Cretinism. B) Exophthalmic goitre. C) Myxoedema. D) Goitre. Show Answer Correct Answer: B) Exophthalmic goitre. 9. A-prolactin regulates the growth of mammary glands and formation of milk in themR-prolactin is synthesized only in pregnancy A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: C) A is true, but R is false. 10. A-melatonin can influence metabolism and pigmentationR-pineal gland is located on the dorsal side of forebrain A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: B) A&R both true, but R is not correct explanation of A. 11. ..... secretes glucagon hormone A) Thyroid gland. B) Pituitary gland. C) Liver. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 12. Glucagon acts on liver cells and stimulates the conversion of glycogen into A) Ribose. B) Fructose. C) Sucrose. D) Glucose. Show Answer Correct Answer: D) Glucose. 13. Which gland atrophies after puberty? A) Thymus. B) Thyroid. C) Parathyroid. D) Adrenal. Show Answer Correct Answer: A) Thymus. 14. Glucagon and insulin are A) Secreted from same cells and are same in function. B) Secreted from same cells but are opposite in function. C) Antagonistic secretion action and similar function. D) Secreted from different cells but are opposite in function. Show Answer Correct Answer: D) Secreted from different cells but are opposite in function. 15. Which gland is known as the 'master gland' of the endocrine system? A) Pancreas. B) Pituitary gland. C) Adrenal gland. D) Thyroid gland. Show Answer Correct Answer: B) Pituitary gland. 16. Which of the following hormone is not secreted under influence of pituitary gland? A) Glucocorticoids. B) Thyroxine. C) Oestrogen. D) Aldosterone. Show Answer Correct Answer: D) Aldosterone. 17. Which of the given statement is correct for Delta cells secretion and function? A) Somatostatin:inhibits GH. B) Somatostatin:stimulates GH. C) Insulin:stimulates glucose conversion into glycogen. D) Melatonin:stimulate insulin. Show Answer Correct Answer: A) Somatostatin:inhibits GH. 18. Parathyroid hormone increase the level of ..... in blood A) Sodium. B) Oxygen. C) Calcium. D) Magnesium. Show Answer Correct Answer: C) Calcium. 19. Pineal gland is located on the dorsal side of A) Midbrain. B) Forebrain. C) Pons. D) Hindbrain. Show Answer Correct Answer: B) Forebrain. 20. Deficiency of this element causes the thyroid gland to swell up A) Calcium. B) Iodine. C) Phosphorous. D) None of the above. Show Answer Correct Answer: B) Iodine. 21. Testes are present in (in case of humans) A) Abdominal cavity. B) Scrotal sacs. C) Pharyngeal pouches. D) Alveolar sacs. Show Answer Correct Answer: B) Scrotal sacs. 22. The hormone that participates in metabolizing calcium and phosphorous are called ..... A) Glucagon. B) Calcitonin. C) Glycogen. D) None of the above. Show Answer Correct Answer: B) Calcitonin. 23. It is correct for the functions of pineal gland? A) Self defence capability. B) To maintain mineral ions in the body. C) To maintain ovarian follicle. D) Loss of water from body. Show Answer Correct Answer: A) Self defence capability. 24. Somatostatin inhibits the release of A) Calcitonin. B) Thyroid hormone. C) Parathormone. D) Growth hormone. Show Answer Correct Answer: D) Growth hormone. 25. What is the primary function of the thymus gland? A) Regulation of metabolism. B) Development of T-lymphocytes. C) Production of insulin. D) Secretion of adrenaline. Show Answer Correct Answer: B) Development of T-lymphocytes. 26. Adrenocorticotropic hormones stimulate the adrenal cortex to produce ..... A) Testosterone. B) Aldosterone. C) Cortisol. D) None of the above. Show Answer Correct Answer: C) Cortisol. 27. What are the two types of hormones produced by the hypothalamus? A) Releasing hormones. B) Inhibiting hormones. C) Both A and B. D) None of the above. Show Answer Correct Answer: C) Both A and B. 28. What is the function of oxytocin? A) Stimulates contraction of uterus. B) Regulates water retention. C) Stimulates milk ejection. D) Both A and C. Show Answer Correct Answer: D) Both A and C. 29. Group of neurosecretory cells found in hypothalamus is known as A) Tract. B) Nerve. C) Nuclei. D) Ganglia. Show Answer Correct Answer: C) Nuclei. 30. Which of the following types of hormones are are released by hypothalamus? A) Releasing hormone. B) Inhibitory hormone. C) Both 1 and 2. D) None of these. Show Answer Correct Answer: C) Both 1 and 2. 31. ..... reduces melatonin formation. A) Pressure. B) Light. C) Temperature. D) Humidity. Show Answer Correct Answer: B) Light. 32. A-thyroid gland is composed of two lobes which are located on either side of esophagusR-it is a butterfly shaped gland A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R is false. Show Answer Correct Answer: D) Both A and R is false. 33. FSH in males stimulates A) Secretion of LH. B) Spermatogenesis. C) Oogenesis. D) Secretion of testosterone. Show Answer Correct Answer: B) Spermatogenesis. 34. Melatonin does not control A) Metabolism. B) Diurnal rhythm of body. C) Blood pressure. D) Pigmentation. Show Answer Correct Answer: C) Blood pressure. 35. Thymosin stimulate secretion of: A) Melanocytes. B) Erythrocytes. C) T-lymphocytes. D) Milk. Show Answer Correct Answer: C) T-lymphocytes. 36. Which of the following is a hypercalcemic hormone? A) Parathyroid hormone. B) Glucagon. C) Insulin. D) Thyroxine. Show Answer Correct Answer: A) Parathyroid hormone. 37. A-duration of action is generally can be longer for hormonesR-all hormones and enzymes are proteinaceous in nature A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: C) A is true, but R is false. 38. Chemically the hormones are A) Steroids only. B) Proteins, steroids and biogenic amines. C) Proteins only. D) Biogenic amines only. Show Answer Correct Answer: B) Proteins, steroids and biogenic amines. 39. The calcium level is increased in blood by promoting A) Mineralisation of bones. B) Dissolution of skeletal structures. C) Mineralisation of teeth. D) Excretion of calcium in urine. Show Answer Correct Answer: B) Dissolution of skeletal structures. 40. Which of the following does not secrete any hormone? A) Spleen. B) Ovary. C) Testes. D) Pancreas. Show Answer Correct Answer: A) Spleen. 41. Which of the following hormones are secreted by ovary? A) Progesterone and testosterone. B) Oestrogen and oxytocin. C) Progesterone and testosterone. D) Oestrogen and relaxin. Show Answer Correct Answer: D) Oestrogen and relaxin. 42. A-endocrine pancreas consists of about 1-2 million islets of langerhansR-it represents only 1-2% of the pancreatic tissue A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: A) A&R both true, R is correct explanation of A. 43. ..... is synthesised by the growing ovarian follicles. A) Cortisol. B) Estrogen. C) Testosterone. D) Prolactin. Show Answer Correct Answer: B) Estrogen. 44. It causes glycogenesis? A) Glucagon. B) Insulin. C) Melatonin. D) Somatostatin. Show Answer Correct Answer: B) Insulin. 45. Name the hormone that is responsible for milk secretion after parturition. A) Insulin. B) Prolactin. C) Lactogen. D) None of the above. Show Answer Correct Answer: B) Prolactin. 46. Which hormone is secreted by Delta cells? A) Insulin. B) Glucagon. C) Somatostatin. D) All of the given. Show Answer Correct Answer: C) Somatostatin. 47. Which of the following is only an endocrine gland with no other function? A) Liver. B) Ovary. C) Pancreas. D) Thyroid gland. Show Answer Correct Answer: D) Thyroid gland. 48. A-progesterone stimulates the formation of alveoli in mammary glands and milk secretionR-corpus luteum mainly secretes progesterone A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: B) A&R both true, but R is not correct explanation of A. 49. Prolonged hyperglycemia leads to A) Addison's disease. B) Corpus luteum. C) Diabetes mellitus. D) None of above. Show Answer Correct Answer: C) Diabetes mellitus. 50. What is the effect of glucagon on blood sugar levels? A) Regulates calcium levels. B) Has no effect. C) Increases blood sugar levels. D) Decreases blood sugar levels. Show Answer Correct Answer: C) Increases blood sugar levels. 51. A-gastrin stimulates the secretion of HCL and pepsinogenR-gastrin is a polypeptide hormone A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: C) A is true, but R is false. 52. Trophic hormones are formed by A) Thyroid. B) Posterior pituitary. C) Middle pituitary. D) Anterior pituitary. Show Answer Correct Answer: D) Anterior pituitary. 53. Glucocorticoids are produced by A) Zona fasciculata. B) Zona reticularis. C) Zona glomerulosa. D) Adrenal medulla. Show Answer Correct Answer: A) Zona fasciculata. 54. A-exopthalmic goitre is a form of hyperthyroidismR-enlargement of thyroid gland and increased weight loss occur in it A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: A) A&R both true, R is the correct explanation of A. 55. Which disease occurs due to less secretions of mineral corticoids? A) Addison's disease. B) Myxedema. C) Caushing disease. D) Cretinism. Show Answer Correct Answer: A) Addison's disease. 56. Which of the following is not a secondary messenger in hormone action? A) GMP. B) AMP. C) Calcium. D) Sodium. Show Answer Correct Answer: D) Sodium. 57. What condition results from a deficiency of iodine in the diet? A) Hypothyroidism. B) Hyperthyroidism. C) Goitre. D) Both A and C. Show Answer Correct Answer: D) Both A and C. 58. Which of the following hormones control the homeostasis of glucose? A) Aldosterone and insulin. B) Insulin and glucagon. C) Thymosin and relaxin. D) Insulin and glycogen. Show Answer Correct Answer: B) Insulin and glucagon. 59. Vasopressin is found in A) Posterior lobe of pituitary. B) Intestine. C) Kidney. D) Liver. Show Answer Correct Answer: A) Posterior lobe of pituitary. 60. Which hormone is responsible for the regulation of blood glucose levels? A) Insulin. B) Thyroid hormones. C) Estrogen. D) Adrenaline. Show Answer Correct Answer: A) Insulin. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 22 Chemical Coordination And Integration Quiz 1Class 11 Biology Chapter 22 Chemical Coordination And Integration Quiz 3Class 11 Biology Chapter 1 The Living World QuizClass 11 Biology Chapter 10 Cell Cycle And Cell Division QuizClass 11 Biology Chapter 11 Transport In Plants QuizClass 11 Biology Chapter 12 Mineral Nutrition QuizClass 11 Biology Chapter 13 Photosynthesis In Higher Plants QuizClass 11 Biology Chapter 14 Respiration In Plants Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books