Chemical Coordination & Integration PYQs Set 2 (PDF)

Back to Chemical Coordination & Integration

Set 2 of 2 · Questions 31-50 of 50

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher · Previous Year Questions NEET Biology · Chemical Coordination & Integration · Set 2 (Q31-50)
Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.
31. $Identify the correct statement on ‘inhibin’$ (1) $Inhibits the secretion of LH, FSH and Prolactin$ (2) $Is produced by granulose cells in ovary and inhibits the secretion of FSH$ (3) $Is produced by granulose cells in ovary and inhibits the secretion of LH$ (4) $Is produced by nurse cells in testes and inhibits the secretion of LH$ 32. $Fight-or-flight reactions can cause the activation of$ (1) $The parathyroid glands, leading to increased metabolic rate.$ (2) $The kidney, leading to suppression of rennin-angiotensin-aldosterone pathway.$ (3) $The adrenal medulla, leading to increased secretion of epinephrine and norepinephrine.$ (4) $The pancreas leading to a reduction in the blood sugar levels.$ 33. $Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other$ (1) $Parathormone-Calcitonin$ (2) $Insulin-Glucagon$ (3) $Aldosterone-Atrial Natriuretic Factor$ (4) $Relaxin-Inhibin$ 34. $Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization.$ (1) $Glucagon$ (2) $Secretion$ (3) $Gastrin$ (4) $Insulin$ 35. $Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?$ (1) $Increase in aldosterone levels$ (2) $Increase in antidiuretic hormone levels$ (3) $Decrease in aldosterone levels$ (4) $Decrease in antidiuretic hormone levels$ 36. $Hypersecretion of Growth Hormone in adults does not cause further increase in height, because:$ (1) $Epiphyseal plates close after adolescence.$ (2) $Bones loose their sensitivity to Growth Hormone in adults.$ (3) $Muscle fibres do not grow in size after birth.$ (4) $Growth Hormone becomes inactive in adults.$ 37. $Which one of the following hormones reduce the blood pressure?$ (1) $Atrial Natriuretic factor$ (2) $Aldosterone$ (3) $Angiotensin-II$ (4) $Antidiuretic hormone$ 38. $GnRH, a hypothalamic hormone, needed in reproduction, acts on:$ (1) $anterior pituitary gland and stimulates secretion of LH and FSH.$ (2) $posterior pituitary gland and stimulates secretion of oxytocin and FSH.$ (3) $posterior pituitary gland and stimulates secretion of LH and relaxin.$ (4) $anterior pituitary gland and stimulates secretion of LH and oxytocin.$ 39. $Presence of which of the following conditions in urine are indicative of Diabetes Mellitus?$ (1) $Uremia and Renal Calculi$ (2) $Ketonuria and Glycosuria$ (3) $Renal calculi and Hyperglycaemia$ (4) $Uremia and Ketonuria$ 40. $Identify the hormone with its correct matching of source and function:$ (1) $Oxytocin - Posterior pituitary, growth and maintenance of mammary glands$ (2) $Melatonin - Pineal gland, regulates the normal rhythm of sleepwake cycle$ (3) $Progesterone - Corpus luteum, stimulation of growth and activities of female secondary sex organs$ (4) $Atrial natriuretic factor - Ventricular wall increases the blood pressure.$ 41. $A chemical signal that has both endocrine and neural roles is$ (1) $Melatonin$ (2) $Calcitonin$ (3) $Epinephrine$ (4) $Cortisol$ 42. $Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis?$ (1) $Adrenalin$ (2) $Glucagon$ (3) $ACTH$ (4) $Insulin$ 43. $Given ahead is an incomplete table about certain hormones, their source glands and one major effect of each in the human body. Identify the correct option for the three blanks (A), (B) and (C). Gland Secretion Effect on body (A) Oestrogen Maintenance of secondary sexual characters Alpha cells of islets of Langerhans (B) Raises blood sugar level Anterior pituitary (C) Over secretion leads to gigantism Options -$ (1) $(A) - Placenta, (B) - Insulin, (C) - Vasopressin$ (2) $(A) - Ovary, (B) - Insulin, (C) - Calcitonin$ (3) $(A) - Placenta, (B) - Glucagon, (C) - Calcitonin$ (4) $(A) - Ovary, (B) - Glucagon, (C) - Growth hormone$ 44. $The 24 hours (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone$ (1) $Calcitonin$ (2) $Prolactin$ (3) $Adrenaline$ (4) $Melatonin$ 45. $Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of :$ (1) $Oxytocin from maternal pituitary$ (2) $Oxytocin from foetal pituitary$ (3) $Relaxin from placenta$ (4) $Estrogen from placenta$ 46. $Which one of the following hormones though synthesized elsewhere, is stored and released by the master gland?$ (1) $Luteinizing hormone$ (2) $Prolactin$ (3) $Melanocyte stimulating hormone$ (4) $Antidiuretic hormone$ 47. $A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin.$ (1) $Deficiency of iodine in diet$ (2) $Low secretion of growth hormone$ (3) $Cancer of the thyroid gland$ (4) $Over secretion of pars distalis$ 48. $Graves' disease is caused due to :-$ (1) $Hyposecretion of adrenal gland$ (2) $Hypersecretion of adrenal gland$ (3) $Hyposecretion of thyroid gland$ (4) $Hypersecretion of thyroid gland$ 49. $Select the correct statement.$ (1) $Glucagon is associated with hypoglycemia.$ (2) $Insulin acts on pancreatic cells and adipocytes.$ (3) $Insulin is associated with hyperglycemia.$ (4) $Glucocorticoids stimulate gluconeogenesis.$ 50. $Graves’ disease is caused due to$ (1) $Hypersecretion of thyroid gland$ (2) $Hyporsecretion of adrenal gland$ (3) $Hypersecretion of adrenal gland$ (4) $Hyporsecretion of thyroid gland$