Solved papers for NEET Biology NEET PYQ-Chemical Coordination

done NEET PYQ-Chemical Coordination Total Questions - 63

• question_answer1) The hormone which regulates the basal metabolism in our body is secreted from: [AIPMT 1998]
  A)
  pituitary
  done clear
  B)
  thyroid
  done clear
  C)
  adrenal cortex
  done clear
  D)
  pancreas
  done clear
  View Answer play_arrow

• question_answer2) Calcitonin is a thyroid hormone which: [AIPMT 1998]
  A)
  elevates potassium level in blood
  done clear
  B)
  lowers calcium level in blood
  done clear
  C)
  elevates calcium level in blood
  done clear
  D)
  has no effect oh calcium
  done clear
  View Answer play_arrow

• question_answer3) Diabetes is due to: [AIPMT 1999]
  A)
  iodine deficiency
  done clear
  B)
  hormonal deficiency
  done clear
  C)
  Na+ deficiency
  done clear
  D)
  enzyme deficiency
  done clear
  View Answer play_arrow

• question_answer4) Melatonin is secreted by: [AIPMT 2000]
  A)
  skin
  done clear
  B)
  thymus
  done clear
  C)
  pituitary
  done clear
  D)
  pineal gland
  done clear
  View Answer play_arrow

• question_answer5) Melanocyte Stimulating Hormone (MSH) is produced by: [AIPMT 2000]
  A)
  anterior pituitary
  done clear
  B)
  posterior pituitary
  done clear
  C)
  pars intermedia of pituitary
  done clear
  D)
  parathyroid
  done clear
  View Answer play_arrow

• question_answer6) Acromegaly is caused by: [AIPMT 2002]
  A)
  excess of STH
  done clear
  B)
  excess of thyroxin
  done clear
  C)
  deficiency of thyroxin
  done clear
  D)
  excess of adrenaline
  done clear
  View Answer play_arrow

• question_answer7) When both ovaries are removed from rat which hormone is decreased in blood? [AIPMT 2002]
  A)
  Oxytocin
  done clear
  B)
  Prolactin
  done clear
  C)
  Estrogen
  done clear
  D)
  Gonadotrophic releasing factor
  done clear
  View Answer play_arrow

• question_answer8) Melanin protects from: [AIPMT 2002]
  A)
  UV rays
  done clear
  B)
  visible rays
  done clear
  C)
  infra-red rays
  done clear
  D)
  X-rays
  done clear
  View Answer play_arrow

• question_answer9) Adrenaline directly affects on: [AIPMT 2002]
  A)
  SA node
  done clear
  B)
  \[\beta \]-cells of Langerhans
  done clear
  C)
  dorsal root of spinal cord
  done clear
  D)
  epithelial cells of stomach
  done clear
  View Answer play_arrow

• question_answer10) Which of the following is used in the treatment of thyroid cancer? [AIPMT 2002]
  A)
  I131
  done clear
  B)
  U238
  done clear
  C)
  Ra224
  done clear
  D)
  C14
  done clear
  View Answer play_arrow

• question_answer11) Which one of the following pairs correctly mathces a hormone with a disease resulting from its deficiency?                    [AIPMT 2003]
  A)
  Parathyroid hormone - Tetani
  done clear
  B)
  Insulin - Diabetes insipidus
  done clear
  C)
  Relaxin - Gigantism
  done clear
  D)
  Prolactin - Cretinism
  done clear
  View Answer play_arrow

• question_answer12) Chemically hormones are: [AIPMT (S) 2004]
  A)
  biogenic amines only
  done clear
  B)
                proteins, steroids and biogenic amines
  done clear
  C)
  proteins only
  done clear
  D)
  steroids only
  done clear
  View Answer play_arrow

• question_answer13) Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency? [AIPMT (S) 2004]
  A)
  Luteinizing hormone — Failure of ovulation
  done clear
  B)
  Insulin — Diabetes insipidus
  done clear
  C)
  Thyroxine — Tetany
  done clear
  D)
                            Parathyroid hormone — Diabetes mellitus
  done clear
  View Answer play_arrow

• question_answer14) Which of the following hormones is not a secretion product of human placenta? [AIPMT (S) 2004]
  A)
  Human chorionic gonadotropin
  done clear
  B)
  Prolactin
  done clear
  C)
  Estrogen
  done clear
  D)
  Progesterone
  done clear
  View Answer play_arrow

• question_answer15) Which one of the following hormones is a modified amino acid? [AIPMT (S) 2004]
  A)
  Epinephrine
  done clear
  B)
  Progesterone
  done clear
  C)
  Prostaglandin
  done clear
  D)
  Estrogen
  done clear
  View Answer play_arrow

• question_answer16) Damage to thymus in a child may lead to: [AIPMT (S) 2005]
  A)
  a reduction in haemoglobin content of blood
  done clear
  B)
  a reduction in stem cell production
  done clear
  C)
  loss of antibody mediated immunity
  done clear
  D)
  loss of cell mediated immunity
  done clear
  View Answer play_arrow

• question_answer17) Which one of the following statements is correct? [AIPMT (S) 2006]
  A)
  Neurons regulate endocrine activity, but not vice versa
  done clear
  B)
  Endocrine glands regulate neural activity and nervous system regulates endocrine glands
  done clear
  C)
  Neither hormones control neural activity nor the neurons control endocrine activity
  done clear
  D)
  Endocrine glands regulate neural activity, but not vice versa
  done clear
  View Answer play_arrow

• question_answer18) Sertoli cells are regulated by the pituitary hormone known as: [AIPMT (S) 2006]
  A)
  FSH
  done clear
  B)
  GH
  done clear
  C)
  Prolactin
  done clear
  D)
  LH
  done clear
  View Answer play_arrow

• question_answer19) A steroid hormone which regulates glucose metabolism is: [AIPMT (S) 2006]
  A)
  Cortisol
  done clear
  B)
  corticosterone
  done clear
  C)
  11 - deoxycorticosterone
  done clear
  D)
  cortisone
  done clear
  View Answer play_arrow

• question_answer20) Which one of the following is not a second messenger in hormone action? [AIPMT (S) 2006]
  A)
  GMP
  done clear
  B)
  Calcium
  done clear
  C)
  Sodium
  done clear
  D)
  AMP
  done clear
  View Answer play_arrow

• question_answer21) Which of the following is an accumulation and release centre of neurohormones? [AIPMT (S) 2006]
  A)
   Posterior pituitary lobe
  done clear
  B)
  Intermediate lobe of the pituitary
  done clear
  C)
   Hypothalamus
  done clear
  D)
  Anterior pituitary lobe
  done clear
  View Answer play_arrow

• question_answer22) Withdrawal of which of the following hormones is the immediate cause of menstruation? [AIPMT (S) 2006]
  A)
  Eastrogens
  done clear
  B)
  FSH
  done clear
  C)
  FSH-RH
  done clear
  D)
  Progesterone
  done clear
  View Answer play_arrow

• question_answer23) Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenotysis?                     [AIPMT (S) 2006]
  A)
  ACTH
  done clear
  B)
  Insulin
  done clear
  C)
  Adrenalin
  done clear
  D)
  Glucagon
  done clear
  View Answer play_arrow

• question_answer24) Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?  [AIPMT (S) 2007]
  A)
  Thyroxin
  done clear
  B)
  Adrenaline
  done clear
  C)
  Glucagon
  done clear
  D)
  Gastrin
  done clear
  View Answer play_arrow

• question_answer25) In the human female, menstruation can be deferred by the administration of: [AIPMT (S) 2007]
  A)
  LH only
  done clear
  B)
  Combination of FSH and LH
  done clear
  C)
  Combination of estrogen and progesterone
  done clear
  D)
  None of theis
  done clear
  View Answer play_arrow

• question_answer26) A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly? [AIPMT (S) 2007]
  A)
  Parathyroid
  done clear
  B)
  Parotid
  done clear
  C)
  Pancreas
  done clear
  D)
  Thyroid
  done clear
  View Answer play_arrow

• question_answer27) Compared to a bull a bullock is docile because of: [AIPMT (S) 2007]
  A)
  higher levels of thyroxin
  done clear
  B)
  higher levels of cortisone
  done clear
  C)
  lower levels of blood testosterone
  done clear
  D)
  lower levels of adrenalin/ noradrenalin in its blood
  done clear
  View Answer play_arrow

• question_answer28) In human adult females, oxytocin [AIPMT (S) 2008]
  A)
  is secreted by anterior pituitary
  done clear
  B)
  stimulates growth of mammary glands
  done clear
  C)
  stimulates pituitary to secrete vasopressin
  done clear
  D)
  causes strong uterine contractions during parturition
  done clear
  View Answer play_arrow

• question_answer29) The blood calcium level is lowered by the deficiency of [AIPMT (S) 2008]
  A)
  parathormone
  done clear
  B)
  thyroxine
  done clear
  C)
  calcitonin
  done clear
  D)
  Both [a] and [c]
  done clear
  View Answer play_arrow

• question_answer30) Which one of the following pairs of organs includes only the endocrine glands? [AIPMT (S) 2008]
  A)
  Parathyroid and adrenal
  done clear
  B)
  Pancreas and parathyroid
  done clear
  C)
  Thymus and testes
  done clear
  D)
  Adrenal and ovary
  done clear
  View Answer play_arrow

• question_answer31) 

  A health disorder that results from the deficiency of thyroxin in adults and characterized by [AIPMT (S) 2009] (i) a low metabolic rate (ii) increase in body weight (iii) tendency to retain water in tissues is

  A)
  hypothyroidism
  done clear
  B)
  simple goiter
  done clear
  C)
  myxedema
  done clear
  D)
  cretinism
  done clear
  View Answer play_arrow

• question_answer32) Select the correct matching of a hormone its source and function. [AIPMT (M) 2010]
  A)

  	Hormone	Source	Function
  	Vasopressin	Posterior pituitary	Increases loss of water through urine

  done clear
  B)

  Norepinephrine

  Adrenal medulla

  Increases heartbeat, rate of respiration and alertness

  done clear
  C)

  Glucagon

  Beta-cells of Islets of Langerhans

  Stimulates glycogenolysis

  done clear
  D)

  Prolactin

  Posterior pituitary

  Regulates growth of mammary glands and milk formation in females

  done clear
  View Answer play_arrow

• question_answer33) Injury to adrenal cortex is not likely to affect the secretion of which one of the following? [AIPMT (S) 2010]
  A)
  Aldosterone
  done clear
  B)
  Both and rostenedione and dehydroepiand-rosterone
  done clear
  C)
  Adrenalin
  done clear
  D)
  Cortisol
  done clear
  View Answer play_arrow

• question_answer34) The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone [AIPMT (M) 2011]
  A)
  calcitonin
  done clear
  B)
  prolactin
  done clear
  C)
  adrenaline
  done clear
  D)
  melatonin
  done clear
  View Answer play_arrow

• question_answer35) Match the source gland with its respective hormone as well as the function. [AIPMT (S) 2011]
  A)

  	Source gland	Hormone	Function
  	Posterior pituitary	Vasopressin	Stimulates re sorption of water in the distal tubules in the nephron

  done clear
  B)

  Corpus Iuteum

  Oestrogen

  Supports pregneacy

  done clear
  C)

  Thyroid

  Thyroxine

  Regulates blood calcium level

  done clear
  D)

  Anterior pituitary

  Oxytocin

  Contraction of uterus muscles during child birth

  done clear
  View Answer play_arrow

• question_answer36) Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)? [AIPMT (S) 2012]
  A)
  Insulin and glucagon
  done clear
  B)
  Thyroxin and insulin
  done clear
  C)
  Somatostatin and oxytocin
  done clear
  D)
  Cortisol and testosterone
  done clear
  View Answer play_arrow

• question_answer37) What is correct to say about the hormone action in humans? [AIPMT (S) 2012]
  A)
  Glucagon is secreted by p-cells of islets of Langerhans and stimulates glycogenolysis
  done clear
  B)
  Secretion of thymosine is stimulated with ageing
  done clear
  C)
  In females, FSH first binds with specific receptors on ovarian cell membrane
  done clear
  D)
  PSH stimulates the secretion of oestrogen and progesterone
  done clear
  View Answer play_arrow

• question_answer38)         Which of the following statement is correct in relation to the endocrine system? [NEET 2013]
  A)
  Adenohypophysis is under direct neural regulation of the hypothalamus
  done clear
  B)
  Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones
  done clear
  C)
  Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones
  done clear
  D)
  Releasing and inhibitory hormones are produced by the pituitary gland
  done clear
  View Answer play_arrow

• question_answer39) Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom [NEET 2013]
  A)

  	Endocrine gland	Hormone	Function/ deficiency symptoms
  	Anterior pituitary	Oxytocin	Stimulates uterus contraction during child birth

  done clear
  B)

  Posterior pituitary

  Growth Hormone (GH)

  Over secretion stimulates abnormal growth

  done clear
  C)

  Thyroid gland

  Thyroxine

  Lack of iodine in diet results in goiter

  done clear
  D)

  Corpus Iuteum

  Testosterone

  Stimulates spermatogenesis

  done clear
  View Answer play_arrow

• question_answer40) The first human hormone produced by recombinant DNA technology is [NEET 2014]
  A)
  insulin
  done clear
  B)
  estrogen
  done clear
  C)
  thyroxin
  done clear
  D)
  progesterone
  done clear
  View Answer play_arrow

• question_answer41) Injury localised to the hypothalamus would most likely disrupt [NEET 2014]
  A)
  short term memory
  done clear
  B)
  co-ordination during locomotion
  done clear
  C)
  executive function, such as decision making
  done clear
  D)
  regulation of body temperature
  done clear
  View Answer play_arrow

• question_answer42) Identify the homone with its correct matching of source and function. [NEET 2014]
  A)
  Oxytocin- posterior   pituitary,   growth   and maintenance of mammary glands
  done clear
  B)
  Melatonin-pineal gland, regulates the normal rhythm of sleepwake cycle
  done clear
  C)
  Progesterone-corpus luteum, stimulation of growth and activities of female secondary sex organs
  done clear
  D)
  Atrial natriuretic factor-ventricular wall increases the blood pressure
  done clear
  View Answer play_arrow

• question_answer43) Fight or flight reactions cause activation of [NEET 2014]
  A)
  the parathyroid glands, leading to increased metabolic rate
  done clear
  B)
  the kidney, leading to suppression of reninangiotensin-aldosterone pathway
  done clear
  C)
  the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine
  done clear
  D)
  the pancreas leading to a reduction in the blood sugar levels
  done clear
  View Answer play_arrow

• question_answer44) A chemical signal that has both endocrine and neural roles is [NEET [C] 2015]
  A)
  melatonin
  done clear
  B)
  calcitonin
  done clear
  C)
  epinephrine
  done clear
  D)
  cortisol
  done clear
  View Answer play_arrow

• question_answer45) Which one of the following hormones is not involved in sugar metabolism? [NEET (Re) 2015]
  A)
  Cortisone
  done clear
  B)
  Aldosterone
  done clear
  C)
  Insulin
  done clear
  D)
  Glucagon
  done clear
  View Answer play_arrow

• question_answer46) Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?    [NEET (Re) 2015]
  A)
  Antidiuretic hormone
  done clear
  B)
  Luteinizing hormone
  done clear
  C)
  Prolactin
  done clear
  D)
  Melanocyte stimulating hormone
  done clear
  View Answer play_arrow

• question_answer47) Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?                          [NEET - 2016 Phase-I]
  A)
  Parathormone-Calcitonin
  done clear
  B)
  Insulin-Glucagon
  done clear
  C)
  Aldosterone-Atrial Natriuretic Factor
  done clear
  D)
  Relaxin-Inhibin
  done clear
  View Answer play_arrow

• question_answer48) Select the incorrect statement: [NEET - 2016 Phase-I]
  A)
  FSH stimulates the sertoli cells which help in spermiogenesis
  done clear
  B)
  LH triggers ovulation in ovary
  done clear
  C)
  LH and FSH decrease gradually during the follicular phase
  done clear
  D)
  LH triggers secretion of androgens from the Leydig cells
  done clear
  View Answer play_arrow

• question_answer49) Changes in \[GnRH\] pulse frequency in females is controlled by circulating levels of: [NEET - 2016 Phase-I]
  A)
  Estrogen and progesterone
  done clear
  B)
  Estrogen and inhibin
  done clear
  C)
  Progesterone only
  done clear
  D)
  Progesterone and inhibin
  done clear
  View Answer play_arrow

• question_answer50) The amino acid Tryptophan is the precursor for the synthesis of: [NEET - 2016 Phase-I]
  A)
  Melatonin and Serotonin
  done clear
  B)
  Thyroxine and Triiodothyronine
  done clear
  C)
  Estrogen and Progesterone
  done clear
  D)
  Cortisol and Cortisone
  done clear
  View Answer play_arrow

• question_answer51) Graves' disease is caused due to [NEET - 2016 Phase-II]
  A)
  Hyposecretion of thyroid gland
  done clear
  B)
  Hypersecretion of thyroid gland
  done clear
  C)
  Hyposecretion of adrenal gland
  done clear
  D)
  Hypersecretion of adrenal gland
  done clear
  View Answer play_arrow

• question_answer52) Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization. [NEET - 2016 Phase-II]
  A)
  Insulin
  done clear
  B)
  Glucagon
  done clear
  C)
  Secretin
  done clear
  D)
  Gastrin
  done clear
  View Answer play_arrow

• question_answer53) Osteoporosis, an age-related disease of skeletal system, may occur due to [NEET - 2016 Phase-II]
  A)
  Immune disorder affecting neuromuscular junction leading to fatigue
  done clear
  B)
  High concentration of \[C{{a}^{++}}\] and \[N{{a}^{+}}\]
  done clear
  C)
  Decreased level of estrogen
  done clear
  D)
  Accumulation of uric acid leading to inflammation of joints
  done clear
  View Answer play_arrow

• question_answer54) The posterior pituitary gland is not a 'true' endocrine gland because [NEET - 2016 Phase-II]
  A)
  It is provided with a duct
  done clear
  B)
  It only stores and releases hormones
  done clear
  C)
  It is under the regulation of hypothalamus pressure pulling at the lung walls.
  done clear
  D)
  It secretes enzymes
  done clear
  View Answer play_arrow

• question_answer55) A temporary endocrine gland in the human body is [NEET-2017]
  A)
  Corpus allatum
  done clear
  B)
  Pineal gland
  done clear
  C)
  Corpus cardiacum
  done clear
  D)
  Corpus luteum
  done clear
  View Answer play_arrow

• question_answer56) A decrease in blood pressure/volume will not cause the release of [NEET-2017]
  A)
  ADH
  done clear
  B)
  Renin
  done clear
  C)
  Atrial Natriuretic Factor
  done clear
  D)
  Aldosterone
  done clear
  View Answer play_arrow

• question_answer57) Hypersecretion of Growth Hormone in adults does not cause further increase in height, because [NEET-2017]
  A)
  Muscle fibres do not grow in size after birth
  done clear
  B)
  Growth Hormone becomes inactive in adults
  done clear
  C)
  Epiphyseal plates close after adolescence
  done clear
  D)
  Bones loose their sensitivity to Growth Hormone in adults
  done clear
  View Answer play_arrow

• question_answer58) GnRH, a hypothalamic hormone, needed in reproduction, acts on [NEET-2017]
  A)
  Posterior pituitary gland and stimulates secretion of LH and relaxin
  done clear
  B)
  Anterior pituitary gland and stimulates secretion of LH and oxytocin
  done clear
  C)
  Anterior pituitary gland and stimulates secretion of LH and FSH
  done clear
  D)
  Posterior pituitary gland and stimulates secretion of oxytocin and FSH
  done clear
  View Answer play_arrow

• question_answer59) Which of the following is an amino acid derived hormone? [NEET - 2018]
  A)
  Estradiol
  done clear
  B)
  Ecdysone
  done clear
  C)
  Epinephrine
  done clear
  D)
  Estriol
  done clear
  View Answer play_arrow

• question_answer60) Which of the following hormones can play a significant role in osteoporosis?   [NEET - 2018]
  A)
  Estrogen and Parathyroid hormone
  done clear
  B)
  Progesterone and Aldosterone
  done clear
  C)
  Aldosterone and Prolactin              
  done clear
  D)
  Parathyroid hormone and Prolactin
  done clear
  View Answer play_arrow

• question_answer61) How does steroid hormone influence the cellular activities? [NEET 2019]
  A)
  Activating cyclic AMP located on the cell membrane
  done clear
  B)
  Using aquaporin channels as second messenger
  done clear
  C)
  Changing the permeability of the cell membrane
  done clear
  D)
  Binding to DNA and forming a gene-hormone complex
  done clear
  View Answer play_arrow

• question_answer62) 

  Match the following hormones with the respective disease: [NEET 2019] [a] Insulin                      (i) Addison's disease [b] Thyroxin                   (ii) Diabetes insipidus [c] Corticoids                  (iii) Acromegaly [d] Growth Hormones      (iv) Goitre [v] Diabetes mellitus Select the correct option.

  A)

  (v)

  (iv)

  (i)

  (iii)

  done clear
  B)

  (ii)

  (iv)

  (i)

  (iii)

  done clear
  C)

  (v)

  (i)

  (ii)

  (iii)

  done clear
  D)

  (ii)

  (iv)

  (iii)

  (i)

  done clear
  View Answer play_arrow

• question_answer63) 

  Match the following structures with their respective location in organs: [NEET 2019] [a] Crypts of Lieberkuhn (i) Pancreas [b] Glisson's capsule        (ii) Duodenum [c] Islets of Langerhans    (iii) Small intestine [d] Brunner's Glands        (iv) Liver Select the correct option.

  A)

  (iii)

  (iv)

  (i)

  (ii)

  done clear
  B)

  (iii)

  (ii)

  (i)

  (iv)

  done clear
  C)

  (iii)

  (i)

  (ii)

  (iv)

  done clear
  D)

  (ii)

  (iv)

  (i)

  (iii)

  done clear
  View Answer play_arrow