MCQ Questions Chapter 22 Chemical Coordination and Integration Class 11 Biology

Please refer to MCQ Questions Chapter 22 Chemical Coordination and Integration Class 11 Biology with answers provided below. These multiple-choice questions have been developed based on the latest NCERT book for class 11 Biology issued for the current academic year. We have provided MCQ Questions for Class 11 Biology for all chapters on our website. Students should learn the objective based questions for Chapter 22 Chemical Coordination and Integration in Class 11 Biology provided below to get more marks in exams.

Chapter 22 Chemical Coordination and Integration MCQ Questions

Please refer to the following Chapter 22 Chemical Coordination and Integration MCQ Questions Class 11 Biology with solutions for all important topics in the chapter.

MCQ Questions Answers for Chapter 22 Chemical Coordination and Integration Class 11 Biology

Question- Heart beat increases at the time of interview because of
(a) renin
(b) rennin
(c) adrenaline
(d) Diuretic ADH

Question- A woman may develop beard and moustaches due to
(a) hypersecretion of adrenal cortex.
(b) hypersecretion of thyroxine.
(c) hyposecretion of adrenaline.
(d) hyposecretion of thyroxine.

Question-  Pancreatic duct of a healthy dog is blocked. Which of the following function of pancreas will not be affected ?
(a) Maintenance of normal blood sugar level.
(b) Carbohydrate digestion.
(c) Protein digestion.
(d) Neutralization of chyme.

Question- Which one of the following statement is correct?
(a) Endrocrine glands regulate neural activity and nervous system regulates endocrine glands.
(b) Neither hormones control neural activity nor the neurons control endocrine activity.
(c) Endocrine glands regulate neural activity, but not vice versa.
(d) Neurons regulate endocrine activity, but not vice versa.

Question-  Match the hormone given in column-I with their function in given in column-II.
Column-I                      Column-II
A. FSH                       I. Prepare endometrium for implantation
B. LH                         II. Develops female secondary sexual characters
C. Progesterone      III. Contraction of uterine wall
D. Estrogen             IV. Development of corpus luteum
                                 V. Maturation of Graafian follicle
(a) A – V, B – IV, C – I, D – II
(b) A – IV, B – V, C – II, D – I
(c) A – IV, B – III, C – II, D – V
(d) A – V, B – I, C – II, D – IV

Question- Select the correct match of a hormone with its source and function.
Hormone Source Function
(a) Vasopressin Posterior Increases loss of pituitary water through urine.
(b) Nor-epinephrine Adrenal Increases heart beat, medulla rate of respiration and alertness.
(c) Glucagon Beta-cells Stimulates of Islets of glycogenolysis. langerhans
(d) Prolactin Posterior Regulates growth of Pituitary mammary glands and milk formation in females.

Question- Which one of the following four glands is correctly matched with the accompanying description?
(a) Thyroid – Hyperactivity in young children causes cretinism.
(b) Thymus – Starts undergoing atrophy after puberty.
(c) Parathyroid – Secretes parathormone which promotes movement of calcium ions from blood into bones during calcification.
(d) Pancreas – Delta cells of Islets of Langerhans secrete a hormone which stimulates glycolysis in liver.

Question- Match the hormones given in column-I with the terms given in column-II
Column -I                Column-II
A. ADH                     I. Pituitary
B. ACTH                   II. Mineralocorticoid
C. Aldosterone        III. Diabetes mellitus
D. Insulin                IV. Diabetes insipidus
E. Adrenaline           V. Vasodilator
(a) A – I, B – IV, C – II, D – III, E – V
(b) A – IV, B – II, C – I, D – III, E – V
(c) A – IV, B – I, C – II, D – III, E – V
(d) A – IV, B – I, C – III, D – II, E – V

Question- Column-I lists the endocrine structure and column-II lists the corresponding hormones. Match the two columns and identify the correct option given below.
Column-I                          Column-II
A. Hypothalamus               I. Relaxin
B. Anterior pituitary           II. Estrogen
C. Testis                           III. FSH and LH
D. Ovary                          IV. Testosterone
                                        V. Gonadotropin releasing hormone
(a) A – V, B – III, C – IV, D – II
(b) A – V, B – III, C – II, D – IV
(c) A – I, B – II, C – IV, D – III
(d) A – III, B – V, C – IV, D – II.

Question- The number of hormones secreted by anterior pituitary is
(a) 3
(b) 4
(c) 6
(d) 8

Question- Which one of the following pairs is incorrectly matched?
(a) Insulin–Diabetes mellitus (disease)
(b) Glucagon–Beta cells (source)
(c) Somatostatin–Delta cells (source)
(d) Corpus luteum–Relaxin (secretion)

Question- Which of the following hormones have antagonistic (opposing) effects? 
(a) Thyroxine and calcitonin
(b) Insulin and glucagon
(c) Growth hormone and epinephrine
(d) ACTH and glucocorticoids

Question- Match the endocrine gland as a source with its respective hormone as well as the function.
Source gland Hormone Function
(a) Thyroid Thyroxine Regulates blood calcium level
(b) Anterior Oxytocin Contraction of uterine pituitary muscles during child birth
(c) Posterior Vasopressin Stimulates resorption pituitary of water in the distal tubules in the nephron
(d) Corpus luteum Estrogen Supports pregnancy

Question- Which of the following statement about the hormone action in humans is correct ?
(a) In females, FSH first binds with specific receptors on ovarian cell membrane.
(b) FSH stimulates the secretion of estrogen and progesterone.
(c) Glucagon is secreted by b-cells of Islets of langerhans and stimulates glycogenolysis.
(d) Secretion of thymosin is stimulated with ageing.

Question- Mark the hormone given in column I and the endocrine cells given in column II.
Column-I              Column-II
A. a-cell                I. Inhibin
B. b-cell                II. Glucagon
C. Leydig cell       III. Insulin
D. Sertoli cells     IV. Testosterone
(a) A – I, B – III, C – IV, D – II
(b) A – III, B – II, C – IV, D – I
(c) A – I, B – III, C – II, D – IV
(d) A – II, B – III, C – IV, D – I

Question- Match the following hormones given in column I with their appropriate category of hormones given in column II.
Column-I                       Column-II
(Hormones)                (Categories)
A. FSH and LH         I. Glucocorticoids
B. Cortisol               II. Mineralocorticoids
C. Androgen           III. Gonadotropins
D. Aldosterone       IV. Gonadocorticoids
(a) A – III, B – I, C – IV, D – II
(b) A – I, B – II, C – III, D – IV
(c) A – II, B – III, C – IV, D – I
(d) A – IV, B – II, C – I, D – III

Question- In hormone action, if receptor molecules are removed from target organ, the target organ will
(a) continue to respond to hormone.
(b) not respond to hormone.
(c) continue to respond but requires higher concentration.
(d) continue to respond but in the opposite way.

Question- The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine gland can function independently of the pituitary gland?
(a) Thyroid
(b) Gonads
(c) Adrenals
(d) Parathyroid

Question- Which hormone is related to mineral metabolism but is not a peptide / protein in nature ?
(a) PTH
(b) ANF
(c) Aldosterone
(d) All of the above

Question- Which of the followings is the more scientific definition of hormone?
(a) They are extracellular messengers.
(b) They always act at distantly located target organ.
(c) They are the products of well organized endocrine glands.
(d) They are non-nutrient chemicals that act as intercellular messengers.

Question- A decrease in the level of estrogen and progesterone causes
(a) growth and dilation of myometrium.
(b) growth of endometrium.
(c) constriction of uterine blood vessels leading to sloughing of endometrium or uterine epithelium.
(d) release of ovum from the ovary.

Question- Which of the following statements regarding glucagon is false?
(a) It is secreted by α-cells of Langerhans.
(b) It acts antagonistically to insulin.
(c) It decreases blood sugar level.
(d) The gland responsible for its secretion is heterocrine gland.

Question- Which one is different from the category of other three?
(a) Gastrin
(b) Ptyalin
(c) Secretin
(d) Glucagon

Question- Which of the following pair of hormone and their disorder is correctly matched ?
(a) Parathormone – Cretinism
(b) Thyroxine – Ricket
(c) Insulin – Diabetes insipidus
(d) Cortisol – Cushing’s disease

Question- Addison’s disease result from 
(a) hyposecretion of gonads
(b) hyposecretion of adrenal gland
(c) hypertrophy of kidney
(d) hyposecretion of pituitary gland

Question- Which gland is concerned with salt equilibrium in body?
(a) Anterior pituitary
(b) Pancreas
(c) Adrenal
(d) Thyroid

Question- Which of the following hormone helps a person who suffers from a marked fall in blood pressure ?
(a) Insulin
(b) Thyroxine
(c) GH
(d) Adrenaline

Question- Which of the following statement is correct regarding glucagon hormone ?
(a) It has opposite effect to that of insulin.
(b) It converts glucose to glycogen.
(c) It is given to diabetic patients.
(d) It is formed by b-cells of pancreas.

Question- Hormones involved in carbohydrate metabolism are
(a) insulin, glucagon, epinephrine and calcitonin
(b) insulin, glucagon, epinephrine and glucocorticoids
(c) insulin, glucagon, cortisol and melatonin
(d) insulin, glucagon, norepinephrine and melatonin

Question- Which of the following hormones are identical?
(a) ACTH and adrenaline
(b) hCG and progesterone
(c) Calcitonin and Oxytocin
(d) Vasopressin and ADH.

Question- A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from blood, the extra
(a) salts
(b) sugar
(c) insulin
(d) protein

Question- Which hormone promotes cell division, protein synthesis and bone growth?
(a) GH
(b) ADH
(c) ACTH
(d) PTH

Question- Injection of glucagon will
(a) cause goitre
(b) cause galactosemia
(c) cause hypoglycemia
(d) increase blood sugar level

Question- A person who has protruding eyes, tachycardia and higher body temperature is suffering from
(a) cretinism
(b) hyperthyroidism
(c) myxoedema
(d) acromegaly

Question- Point out the odd one:
(a) Corticotropin
(b) Vasopressin
(c) Noradrenaline
(d) Prolactin

Question- Growth hormone of pituitary is more effective in
(a) presence of thyroxine.
(b) absence of thyroxine.
(c) absence of insulin.
(d) presence of adrenaline.

Question- When a boy goes through puberty, the steroid hormone testosterone puts hair on his chest by
(a) interacting with DNA in the nuclei of cells.
(b) causing cells to change shape.
(c) altering the permeability of plasma membranes.
(d) triggering nerve impulses in cells.

Question- To yield more milk, cow is injected with
(a) sorbitol
(b) prolactin
(c) gonadotrophs
(d) stilbesterol

Question- Which of the following statement is correct regarding glucagon hormone ?
(a) It has opposite effect to that of insulin.
(b) It converts glucose to glycogen.
(c) It is given to diabetic patients.
(d) It is formed by b-cells of pancreas.

Question- Treatment with alloxan destroys 
(a) stilt cells
(b) β-cells of Langerhans
(c) sertoli cells
(d) cells of Leydig

Question- Hormones produced by anterior lobe of pituitary
(a) control calcium level in blood.
(b) stimulate thyroid and other endocrine glands.
(c) initiate alarm reaction.
(d) regulate water balance in body.

Question- The development of adult characteristics in a moulting insect is promoted by 
(a) Thyroxine
(b) Ecdysone
(c) Pheromone
(d) None of these

Question- Which of the following endocrine glands grows to the maximum size at puberty and then diminishes gradually?
(a) Thymus
(b) Pituitary
(c) Thyroid
(d) Adrenal

Question- Steroid hormones are similar in structure to
(a) Tryosine 
(b) Cholesterol
(c) Coenzyme A
(d) Glycerol

Question- A person passes much urine and drinks much water put his blood glucose level normal. This condition may be the result of 
(a) a reduction in insulin secretion from pancreas
(b) a reduction in vasopressin secretion from posterior pituitary
(c) a fall in the glucose concentration in urine
(d) an increase in secretion of glucagon

Question- The source of somatostatin is same as that of
(a) Thyroxine and calcitonin 
(b) Insulin and glucagon
(c) Somatotropin and prolactin
(d) Vasopressin and oxytocin

Question- A patient of diabetes mellitus excretes glucose in urine even when he is kept in a carbohydrate free diet. It is because
(a) fats are catabolised to form glucose.
(b) amino acids are catabolised in liver.
(c) amino acids are discharged in blood stream from liver.
(d) glycogen from muscles are released in the blood stream.

Question- Which one of the following four gland is correctly matched with the accompanying description?
(a) Thyroid – Hyperactivity in young children causes cretinism
(b) Thymus – Starts undergoing atrophy after puberty
(c) Parathyroid – Secretes para-thormone,which promotes movement of calcium ions from blood into bones during calcification
(d) Pancreas – Delta cells of the ‘islets of Langerhans’ secrete a hormone, which stimulates glycolysis in liver

Question- Which one of the following hormones contains iodine? 
(a) Thyroxine
(b) Testosterone
(c) Insulin
(d) Adrenaline

Question- Which of the following disorders are caused by hypersecretion of their concerned hormones ?
(a) gigantism and exophthalmic goitre
(b) tetany and myxoedema
(c) diabetes mellitus and goitre
(d) rickets and diabetes insipidus

Question- Conn’s disease is caused by the over secretion of 
(a) ADH
(b) ACTH
(c) Oxytocin
(d) Aldosterone

Question- Select the correct option describing gonadotropin activity in a normal pregnant female: 
(a) High level of FSH and LH stimulate the thickening of endometrium.
(b) High level of FSH and LH facilitate implantation of the embryo.
(c) High level of hCG stimulates the synthesis of estrogen and progesterone.
(d) High level of hCG stimulates the thickening of endometrium.

Question- Acromegaly is due to hypersecretion of
(a) Insulin
(b) Thyroxine
(c) Growth hormone
(d) None of these

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