Important Chemical Coordination And Integration Questions for CBSE Class 11th

Read the list of hormones mentioned below: Thyroxine, thyrocalcitonin, cortisol, testosterone, oxytocin, LH, estradiol How many of the above interact with intracellular receptors in their target cells?

Mark the odd one.

Which of the following set of hormones interact with membrane bound receptors?

Match the following and choose the correct option. Column I (Disorder) Column II (Gland) (a) Addison’s disease (i) Pituitary gland (b) Graves’ disease (ii) Adrenal gland (c) Acromegaly (iii) Pancreas (d) Diabetes mellitus (iv) Thyroid

The anterior pituitary gland releases FSH and LH only when it is stimulated by

Mark the correct combination.

Which of the following hormones acts on the mammary glands and stimulates the formation of alveoli?

Which of the following structures of the human brain contains neurosecretory cells to produce hormones?

Melatonin is secreted by (i) which is located at (ii) .

The primary target of the hormones of hypothalamus is

How many of the following hormones are synthesised and secreted by the pituitary gland? (i) Growth hormone (ii) Prolactin (iii) Thyroxine (iv) Aldosterone (v) Luteinising hormone (vi) Follicle stimulating hormone

The X cells of testis secrete testosterone and Y cells concentrate it.

Select the correct statement with respect to locomotion in humans.

A chemical signal that has both endocrine and neural roles is

Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom.

Identify the hormone with its correct matching of source and function.

Hypersecretion of growth hormone in adults does not cause further increase in height, because

Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Zona fasciculata (i) Androgens (b) Zona reticularis (ii) Epinephrine (c) Adrenal medulla (iii) Cortisol (d) Zona glomerulosa (iv) Aldosterone

Diabetes insipidus is due to the deficiency of

Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Mineralocorticoid (i) Aldosterone (b) Catecholamine (ii) Cortisol (c) Glucocorticoid (iii) DHEA (d) Sex corticoid (iv) Epinephrine

The cells of the pars distalis produce

The posterior pituitary consists of

The hormone that acts on the mammary glands and stimulates the formation of alveoli and milk secretion is

Select the answer which correctly matches the hormone with its target organ and function.

Select the correct option regarding the function of gonadotropins in male and female humans.

Which of the following hormones are not antagonistic to each other?

Consider the following about epinephrine and norepinephrine and select the best option. (a) Commonly called catecholamines. (b) Secreted by the adrenal cortex during emergency situations. (c) Stimulate glycogenesis and lipogenesis. (d) Increase heart rate and breathing rate.

Catecholamines cause all of the following except

Select the correct sequence of the layers in the adrenal cortex (from inside to outside)

The hormone that stimulates gluconeogenesis, lipolysis, proteolysis is

The chief mineralocorticoid in our body is

In male humans, LH acts on

Atrial natriuretic factor

Which of the following hormone is not present in the portal veins linking hypothalamus with anterior lobe of pituitary gland?

Herring bodies are found in

Which of the following is an incorrect statement w.r.t. myxedema?

Which of the following is an incorrect statement ?

Which of the following is a correct statement w.r.t glucocorticoids?

Which of the following is not a steroidal hormone secreted by adrenal gland?

Erythropoietin acts on bone marrow and promotes RBC formation. It is mainly secreted by

Which one of the following hormones has extracellular or membrane bound receptor?

On the basis of their chemical nature, hormones are of different types. Adrenalin belongs to the group of

A gorilla like appearance with huge hands and legs is due to abnormal secretion of

Which of the following hormone is required for the maintenance of corpus luteum?

Which hormone possesses anti-insulin effect?

Which of the following hormone acts upon the renal tubule and blood capillaries?

Ovulation in humans is controlled by

Thyroxine acts on every organ of the body, except

Oxytocin hormone is produced by

Which hormone helps in reabsorption of water from kidney?

ACTH is secreted by

Which of the following occurs due to ADH deficiency?

Which of the following is a gastro-intestinal hormone?

Which of the following hormone opposes parathormone?

Thymus in mammals is mainly concerned with

In human, testosterone is produced by

Steroid hormones are produced only by the

Receptors for protein hormones are found

Triple ‘F’ gland (flight, fright and fight) is

Which hormone interacts with membrane bound receptor and does not normally enter the target cell?

Ovulation and formation of corpus luteum is controlled by

Which one of the following is not a second messenger in hormonal action?

Match the following and choose the correct option. Column I Column II (a) Milk ejection (i) Anterior pituitary (b) Bone resorption (ii) Thyroid gland (c) Milk formation (iii) Parathyroid gland (d) Bone formation (iv) Posterior pituitary

Androgens regulate the development, maturation and functions of how many of the following? a. epididymis b. vas deferens c. seminal vesicles d. prostate gland e. urethra

Melatonin is concerned with how many of the following functions? a. Sleep wake cycle b. Menstrual cycle c. Immune response d. Pigmentation e. Metabolism

Endocrine gland specifically concerned with the cell mediated immunity is

Which of the following hormones may be majorly responsible for the diminished ability of the kidney to conserve water?

Match the following and choose the correct option. Column I Column II (a) Insulin (i) Hypercalcemic hormone (b) Glucagon (ii) Hypocalcemic hormone (c) PTH (iii) Hyperglycemic hormone (d) TCT (iv) Hypoglycemic hormone a b c d 1. iv iii ii i 2. iii iv i ii 3. i iii iv ii 4. iv iii i ii

Which of the following hormones have an anabolic effect on the protein and carbohydrate metabolism?

A patient suffering from diabetes insipidus possibly exhibits

The hormone that supports pregnancy is secreted by

Male accessory sex organs include all of the following except

An X endocrine gland is located on Y. Hormone secreted by X influences the functioning of Y. X and Y are

The absorption of Ca 2+ from the gastrointestinal tract is promoted by

Acromegaly can occur due to adenoma (cancer) of

One does not grow in height after becoming an adult because

Ovaries and testes can secrete and release their hormones only when stimulated by

Which of the following hormones regulates functions influenced by light and seasons?

Which one of the following endocrine glands plays an important role in immunity?

Which of the following hormones suppresses immune response?

Which of the following sets of hormones are lipid soluble and give a physiological response by changing the gene expression?

The hormone that stimulates the stomach to secrete gastric juice is

Which of the following hormone increases the calcium level of blood?

The gonadotropin-releasing hormone stimulates the release of

How many of the following features are applicable to the hormones? i. Non-nutrient chemicals ii. Intracellular messengers iii. Released in blood or open spaces iv. Produced in trace amounts

A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of

Select the option which correctly matches the endocrine gland with its hormone and its function.

Norepinephrine (i) is released by sympathetic fibers (ii) is released by parasympathetic fibers (iii) increases the heart rate (iv) decreases blood pressure. Which of the above statements are correct?

Which one of the following hormones is not involved in sugar metabolism?

Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?

Fight-or-flight reactions cause activation of

Which of the following cause osteoporosis?

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

The amino acid tryptophan is the precursor for the synthesis of

Which hormones do stimulate the production of pancreatic juice and bicarbonate?

Graves’ disease is caused due to

Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation.

The posterior pituitary gland is not a ‘ true’ endocrine gland because

GnRH, a hypothalamic hormone, needed in reproduction, acts on

How does steroid hormone influence the cellular activities?

Which of the following is an amino acid derived hormone?

Which of the following hormones are transported through hypophyseal portal vein?

Which of the following does not produce its own hormones but stores and releases hormones synthesised by the hypothalamus?

Which of the following are not antagonistic hormones?

Hormones stored and released from neurohypophysis are

Match the following columns and select the correct option: Column I Column II (a) Pituitary hormone (i) Steroid (b) Epinephrine (ii) Neuropeptides (c) Endorphins (iii) Peptides, proteins (d) Cortisol (iv) Biogenic amines

LH, a gonadotropic hormone, acts on

Which of the following is secreted by the pituitary gland?

The hormone that plays a very important role in maintaining sleep-wake cycle is

Levels of potassium in the blood are elevated in Addison’s disease because of

In response to high levels of blood calcium,

Synthesis of cortisol is stimulated by

Identify A, B and C in the diagramatic representation of the mechanism of hormone action. Select the correct option from the following :

Artificial light, extended work-time and reduced sleep time disrupt the activity of

Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone?

Which one of the following statements about PTH is true?

Catecholamines are produced mainly in the

Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Insulin (i) Hyperglycemic hormone (b) Parathormone (ii) Hypocalcemic hormone (c) Glucagon (iii) Hypercalcemic hormone (d) Thyrocalcitonin (iv) Hypoglycemic hormone

The transporter protein incorporated into the plasma membrane by the action of insulin is

Hormones that promote the development of mammary glands are

Thymosin is responsible for :

Cholecystokinin acts on :

Select the correct statement about oxytocin.

Match the items in column I with those in column II. Column I Column II A. Glucagon (i) Neuropeptide B. Norepinephrine (ii) Peptide C. Estradiol (iii) Steroid D. GnRH (iv) Biogenic amine

GnRH is produced by the

Select the incorrect statement about the pituitary gland.

The hormone that regulates circadian rhythms in the body is

Which of the following does not synthesise but only stores and releases hormones?

A woman delivers a baby who suffers from stunted growth, mental retardation, low IQ, abnormal skin and deaf-mutism. The reason for the abnormality is

The secretion of parathormone is regulated mainly by the

Thyroxine A. Regulates basal metabolic rate B. Supports erythropoiesis C. Influences water and electrolyte balance D. Regulates blood calcium levels Which of the above are correct?

Read the following statement having two blanks (A and B). ADH and oxytocin are synthesised by the (A) and are stored and released from the (B) . The one correct option for the two blanks is

Calcium homeostasis is maintained by a. Thyroxine b. Calcitonin c. Parathormone d. Aldosterone

A fall in blood Ca 2 + level is most likely to occur due to

The hormone that stimulates milk secretion is

Acromegaly is caused by

Addison’s disease is due to

Read the following statement having two blanks (A and B). Glucagon is secreted by the (A) cells and it stimulates (B) . The one correct option for the two blanks is

The hormones which play a major role in the differentiation of T lymphocytes are secreted by the

Which of the following pairs of hormones are antagonistic to each other?

Secretion of which hormone suddenly decreases when an animal is castrated?

Select the correct match of a hormone and its function.

An impairment affecting the synthesis or release of ADH results in

Identify the incorrect statement about diabetes mellitus.

Testosterone is secreted by the

The hormones that stimulate muscular growth, growth of facial and axillary hair are

Which of the following is a correct match of a hormone and its source?

Which of the following is a steroid hormone?

Which of the following statements is not correct about the function of androgens?

The hormone that acts on the exocrine pancreas and stimulates secretion of water and bicarbonate ions is

How do peptide hormones influence cellular activities?

The hormone that acts on pancreas and gall bladder is

After ovulation, the ruptured Graafian follicle transforms into a corpus luteum which mainly secretes

Select the wrong statement about the endocrine system and hormones.

Hormones are

Select the correct match of a hormone, its source gland and the disorder caused due to its hypersecretion.

Select the correct matching of a hormone, its source gland and its function.

Select the option that correctly matches an endocrine gland with its hormone and its function.

Select the most appropriate matching of a hormone and its target.

A person encounters a growling Doberman dog during a morning walk and runs away with fear. Which of the following hormones has triggered this response?

Which of the following statements is not correct about the function of androgens?

Testosterone is secreted by the

Select the correct match.

Which of the following is not a second messenger?

Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Gonadotropins (i) PTH and TCT (b) Glucose homeostasis (ii) Epinephrine and norepinephrine (c) Calcium homeostasis (iii) FSH and LH (d) Catecholamines (iv) Insulin and glucagon

Which of the following is most likely to occur by the experimental administration of thyroxine to a healthy man?

Which of the following is the main difference between pituitary dwarfs and thyroid dwarfs?

Which of the following is not a function of catecholamines?

Which is the endocrine gland that undergoes degeneration with age?

Which of the following is not a thyroid disorder?

Anterior lobe of pituitary secretes

MSH is secreted by

Anti-ageing hormone is

Secretion of estrogen is controlled by

Sleep-wake cycle and menstrual cycle are maintained by

When amount of ADH decreases in blood, micturition

Deficiency of vasopressin primarily results in

Which endocrine gland stores its secretion in extracellular spaces before discharging it into blood?

Abnormal secretion of thyroxine produces

Diabetes insipidus is caused by hyposecretion of

Glycogenesis is the result of the hormone secreted from

Glucose homeostasis in man is maintained by

Source of somatostatin is the same as that of

The hormone secretin is produced in

A woman may develop beard and moustaches due to

Which of the following is correct about calcitonin?

Read the table given below. Name of the gland Substance produced Function A Insulin C B Glucagon D Mark the option with correct set of A, B, C and D. A B C D 1. Alpha cells Hyperglycemia Beta cells Hypoglycemia 2. Beta cells Alpha cells Hypoglycemia Hyperglycemia 3. Alpha cells Hypoglycemia Beta cells Hyperglycemia 4. Beta cells Alpha cells Hyperglycemia Hypoglycemia

Which of the following sets of vertebrate hormones are all produced in the anterior pituitary gland?

Given below is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C Glands Secretion Effect A Estrogen Maintenance of secondary sexual characters Alpha cells of Islets of Langerhans B Raises blood sugar level Anterior pituitary C Over secretion leads to gigantism A B C 1. Placenta Glucagon Calcitonin 2. Ovary Glucagon GH 3. Placenta Insulin Vasopressin 4. Ovary Insulin Calcitonin

Choose the set of wrong statements with regard to functions of the thyroid gland from the following. a. Regulation of the basal metabolic rate. b. Support the process of red blood cell formation. c. Control the metabolism of carbohydrates and proteins, but not fats. d. Maintenance of water and electrolyte balance. e. Regulation of calcium levels by a steroid hormone, TCT.

GnRH is produced by the

Which of the following is not secreted by adenohypophysis?

All of the following hormones are concerned with the milk except

Glycogenolysis is caused by all of the following hormones except

Catecholamines

Mark the wrong statement about ANF.

Exophthalmic goitre is a form of

The hormone that acts on both the gall bladder and the pancreas is

Which of the following hormone requires second messenger?

Protrusion of the eyeballs is a typical symptom of

Mark the correct sequence of layers of adrenal cortex outside to inside.

Lobular endocrine gland located between the lungs is

Mark the correct combination.

Cells of testis that produce androgens are

All of the following are the functions of cortisol, except

Select the correct match.

Activation of vitamin D is promoted by

The hormone that stimulates the reabsorption of Na + and the secretion of K + is secreted by the

Read the following statements and choose the correct option. Statement A: GIP, which inhibits gastric secretion and motility, is secreted by the stomach. Statement B: Androgens act on the CNS and influence the male sexual behaviour.

Match the following and choose the correct option. Column I Column II (a) Thymosins (i) Circadian rhythm (b) Melatonin (ii) Calcium homeostasis (c) Calcitonin (iii) Maintains BMR (d) Thyroxine (iv) Cell mediated immunity

The endocrine gland that lies in the sella turcica of the sphenoid bone is

Aldosterone helps in the maintenance of

Aldosterone is a

Leydig cells are stimulated by

Which of the following hormones is responsible for the breakdown of mineralised matrix of the bone to release calcium into the blood stream?

Hormones secreted by the adrenal cortex are chemically

Protrusion of the eyeballs is a characteristic symptom of a particular endocrine disorder caused due to the malfunctioning of

Match the following and choose the correct option. Column I (Gland) Column II (Location) (a) Pineal (i) Lateral sides of trachea (b) Thymus (ii) Attached to kidney (c) Adrenal (iii) Ventral to aorta (d) Thyroid (iv) Dorsal to forebrain

Low blood glucose in the human body stimulates the release of

Which of the following sets of hormones are antagonistic in function?

Surgical removal of pancreas will mainly affect which of the following functions?

Select the wrong match of a hormone and its source.

The posterior pituitary releases

Thyroid gland is located in the

Which of the following glands is located in the neck?

Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Adenohypophysis (i) FSH and LH (b) Pancreas (ii) Oxytocin and vasopressin (c) Hypothalamus (iii) Epinephrine and norepinephrine (d) Adrenal medulla (iv) Insulin and glucagon

Mark the correct match of hormone and the cells that secrete it.

Hormones involved in carbohydrate metabolism are

Read the following statement (A–E) and answer the question that follows them : A. Thyrocalcitonin is a hypocalcemic hormone B. Isthmus in thyroid is a thin flap of connective tissue C. Ovulation of Graafian follicles is mediated by LH D. FSH and TSH are secreted by the hypothalamus. E. Hormones are nutrient chemicals How many of the above statements are incorrect ?

Which of the following is not a function of cortisol?

Match the following and choose the correct option. Column I Column II (a) Glucagon (i) Hyperglycemic hormone (b) Insulin (ii) Hypercalcemic hormone (c) PTH (iii) Hypoglycemic hormone (d) TCT (iv) Hypocalcemic hormone

The hormone responsible for disorders like acromegaly and gigantism is secreted by

Thyroid hormones are mainly concerned with all of the following functions, except

The hormone responsible for normal sleep-wake cycle is

Dropping of blood calcium levels below a set point stimulates the release of

Which of the following hormones are produced by hypothalamus? i) Oxytocin ii) Somatotropin iii) GnRH iv) Somatostatin v) TSH vi) Vasopressin

Which of the following is not related to the adrenal gland?

Which of the following is a hormone responsible for the regulation of basal metabolic rate?

An internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours is regulated by

Cretinism is due to

Which of the following endocrine glands is responsible for the release of hormones which cause uterine contractions during childbirth?

The thymus gland secretes the hormone called which plays a major role in the differentiation of lymphocytes.

Which of the following hormones are secreted by pars nervosa?

The adrenocorticotrophic hormone secreted by anterior pituitary stimulates the secretion of

Dwarfism is a hormonal disorder caused due to

GnRH, a hypothalamic hormone, needed in reproduction, acts on

The need of calcium in human body can be fulfilled by either absorption of calcium from the digested food or by reabsorption of calcium from renal tubules, which is stimulated by

Select the answer which correctly matches the concerned endocrine gland /cells with the hormone and functions associated with it.

Select the correct statement.

Which of the following is not a symptom of person with exophthalmic goiter?

Which diseases is caused by the deficiency of thyroxin in adults?

Which of the following hormone is responsible for the release of bile from the gall bladder?

Hormones have the following features : I. Adenohypophysis produces gonadotropins. II. Besides sex cells, hormones are also produced by testis and ovary III. Testosterone is produced by Leydig cells IV. Estrogen is produced by the ovary Which of the above factors influence secondary sexual characters?

Secretin stimulates the production of

In the mechanism of action of a protein hormone, one of the secondary messengers is

Identify the gland in which two lobes are interconnected with thin flap of connective tissue.

Zona glomerulosa is the region of which of the following gland?

A hormone responsible for normal sleep-wake cycle is

Which of these hormones decrease the amount of sodium lost by the body through urine?

Polydipsia, hyperglycemia and polyuria occur due to

Acromegaly is due to hypersecretion of a hormone secreted from

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

The hormone released by the pineal gland of the human brain is concerned with

Select the incorrect match.

Read the following statements (A – E) and answer the question that follows them – A. Infundibulum in the thyroid is a thin flap of connective tissue. B. Rupturing of Graafian follicles to release ovum is mediated by LH. C. Source of GH and Prolactin are different. D. Hormones are non-nutrient chemicals. How many of the above statements are incorrect ?

Dwarfism is a hormonal disorder caused due to

The hormone of the adrenal cortex which causes Na + retention and K + excretion is

A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be the result of

The ‘amino acid derivative’ among the following is

A gorilla-like appearance with huge hands and legs is due to excess secretion of

The posterior lobe pituitary gland release

The hormone that can increase the rate of breakdown of glycogen, the volume of blood in vessel and rate of heartbeat is

Calcitonin is

Out of the following hormones, how many are secreted by adenohypophysis ? Aldosterone, MSH, Melatonin, Prolactin, ADH, TSH

Read the following statement carefully (A – D): A. Thymosin hormone helps in differentiation of erythrocytes. B. Calcitonin hormone increases blood calcium level and is hypercalcemic. C. Melatonin hormone from the pineal gland, regulate the 24 hours (diurnal) rhythm cycle. D. Epinephrine and norepinephrine hormones are called catecholamines. How many statement(s) from the above is/are correct?

Diabetes Insipidus is a consequence of

Prolonged hyperglycemia is a condition caused due to lack of a certain hormone secreted by

Which of the following hormones does not stimulate the generation of secondary messengers?

Which of the following is a major function of androgenic steroids secreted by the adrenal cortex?

Which of the following hormone production is influenced by light to a major extent?

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