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Chemical Coordination and Integration — NEET UG Zoology PYQs

581 previous year questions from Chemical Coordination and Integration with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

581 questionsZoologySolutions on every page
1

Which one of the following statements is incorrect ?

NEET 2026 Solution View → 2

Match List I with List II : List I List II A. Cortisol I. Stimulates the formation of alveoli in mammary glands B. Aldosterone II. Produces anti-inflammatory reactions C. Cholecyst

NEET 2026 Solution View → 3

Match List-I with List-II . List-I List-II A. Excess growth hormone I. Reabsorption of water and electrolytes in kidney B. Luteinizing hormone II. Contraction of uterus during chil

NEET 2026 Solution View → 4

Which of the following statements related to pituitary gland are correct ? (a) It is divided anatomically into adenohypophysis and neurohypophysis (b) It secretes follicle stimulat

NEET 2026 Solution View → 5

Match List-I with List-II. array |l|l|l|l| & List - I & & List - II A . & Progesterone & (i) & Pars intermedia B. & Relaxin & (ii) & Ovary C. & Melanocyte stimulating hormone & (ii

NEET 2025 Solution View → 6

Match List-I with List-II. array |l|l|l|l| & List - I & & List - II A . & Heart & (i) & Erythropoietin B. & Kidney & (ii) & Aldosterone C. & Gastro-intestinal tract & (iii) & Atria

NEET 2025 Solution View → 7

Consider the following statements regarding function of adrenal medullary hormones : (A) It causes pupilary constriction. (B) It is a hyperglycemic hormone. (C) It causes piloerect

NEET 2025 Solution View → 8

Which of the following hormones released from the pituitary is actually synthesized in the hypothalamus?

NEET 2025 Solution View → 9

Identify the wrong statements : A. Erythropoietin is produced by juxtaglomerular cells of the kidney B. Leydig cells produce Androgens C. Atrial Natriuretic factor, a peptide hormo

NEET 2024 Solution View → 10

Match List-I with List-II. array |l|l|l|l| & List-I & & List-II A. & Epinephrine & I. & Hyperglycemia B. & Thyroxine & II. & Smooth muscle contraction C. & Oxytocin & III. & Basal

NEET 2024 Solution View → 11

Which of the following is not a steroid hormone?

NEET 2024 Solution View → 12

Match List I with List II : array |l|l|l|l| & List I & & List II A. & Exophthalmic goiter & I. & Excess secretion of cortisol, moon face & hypergylcemia. B. & Acromegaly & II. & Hy

NEET 2024 Solution View → 13

Which of the following statements are correct with respect to the hormone and its function? (A) Thyrocalcitonin (TCT) regulates the blood calcium level. (B) In males, FSH and andro

NEET 2023 Solution View → 14

Given below are two statements: Statement I : Parathyroid hormone acts on bones and stimulates the process of bone resorption. Statements II : Parathyroid hormone along with Thyroc

NEET 2023 Solution View → 15

Match List I and List II List I List II A CCK I Kidney B GIP II Heart C ANF III Gastric gland D ADH IV Pancreas Choose the correct answer from the options given below:

NEET 2023 Solution View → 16

Which of the following are NOT under the control of thyroid hormone? A. Maintenance of water and electrolyte balance B. Regulation of basal metabolic rate C. Normal rhythm of sleep

NEET 2023 Solution View → 17

Which of the following options are correct? A. An excessive loss of body fluid from the body switches off osmoreceptors. B. ADH facilitates water reabsorption to prevent diuresis C

NEET 2023 Solution View → 18

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : FSH which interacts with membrane bound receptors does no

NEET 2022 Solution View → 19

Which of the following are not the effects of parathyroid hormone? (a) Stimulates the process of bone resorption. (b) Decreases Ca 2 + level in blood. (c) Reabsorption of Ca 2 + by

NEET 2022 Solution View → 20

Match List- I with List- II List- I (Biological Molecules) List- II (Biological functions) (a) Glycogen (i) Hormone (b) Globulin (ii) Biocatalyst (c) Steroids (iii) Antibody (d) Th

NEET 2022 Solution View → 21

Match the following columns and select the correct option. Column-I Column-II (a) Pituitary gland (i) Grave’s disease (b) Thyroid gland (ii) Diabetes mellitus (c) Adrenal gla

NEET 2020 Solution View → 22

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) Peptide

NEET 2020 Solution View → 23

Identify the substances having glycosidic bond and peptide bond, respectively in their structure.

NEET 2020 Solution View → 24

Presence of which of the following conditions in urine are indicative of Diabetes mellitus?

NEET 2020 Solution View → 25

Hormones stored and released from neurohypophysis are:

NEET 2020 Solution View → 26

Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?

NEET 2020 Solution View → 27

Select the correct statement.

NEET 2020 Solution View → 28

Assertion : Type I diabetes is caused by destruction of cells of Islets of Langerhans. Reason : Insulin can be taken as injections by Type I patients.

AIIMS 2019 Solution View → 29

Oxytocin and ADH are produced by hypothalamus and released from

AIIMS 2019 Solution View → 30

Assertion : Insulin forms hormone receptor complex which regulates the formation of second messenger. Reason : Insulin is a peptide hormone which can easily pass through cell membr

AIIMS 2019 Solution View → 31

Assertion : Posterior pituitary gland releases a hormone which is helpful in childbirth. Reason : Pituitary gland releases vasopressin which helps in child birth.

AIIMS 2019 Solution View → 32

Which of the following is not considered as a secondary messenger?

JIPMER 2019 Solution View → 33

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

NEET 2019 Solution View → 34

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

NEET 2019 Solution View → 35

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

NEET 2019 Solution View → 36

Which of the following glucose transporters are insulin-dependent?

NEET 2019 Solution View → 37

How dose steroid hormone influence the cellular activities?

NEET 2019 Solution View → 38

Match the following hormones with the respective disease: array |c|l||c|l| & Column - I & & Column - II (a) & Insulin & (i) & Addison's disease (b) & Thyroxin & (ii) & Diabetes ins

NEET 2019 Solution View → 39

Assertion : Pituitary is attached to hypothalamus by a vein. Reason : This attachment is done through a hypophysial portal vein.

AIIMS 2018 Solution View → 40

A patient of diabetes mellitus excretes glucose in urine even when he is kept on a carbohydrate free diet. It is because

AIIMS 2018 Solution View → 41

According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will

AIIMS 2018 Solution View → 42

Assertion : Adrenocorticotropic-Releasing Hormones (ARH) excite the anterior lobe of pituitary gland to produce adrenocorticotropic hormone (ACTH). Reason : ACTH stimulates the adr

AIIMS 2018 Solution View → 43

Conn's disease is caused by the oversecretion of

AIIMS 2018 Solution View → 44

Inhibin is composed of

JIPMER 2018 Solution View → 45

What is incorrect about inhibin?

JIPMER 2018 Solution View → 46

Function of hypothalamus is

JIPMER 2018 Solution View → 47

Which of the following pituitary hormones works indirectly?

JIPMER 2018 Solution View → 48

Which of the following hormones can play a significant role in osteoporosis?

NEET 2018 Solution View → 49

Which of the following is an amino acid derived hormone?

NEET 2018 Solution View → 50

Assertion : ADH and RAAS work in response to low blood volume and blood pressure. Reason: ANF works in response to high blood volume and blood pressure.

AIIMS 2017 Solution View → 51

A hormone, secreted by the endocrinal cells of duodenal mucosa which influences the release of pancreatic juice is

JIPMER 2017 Solution View → 52

Which of the following statement is correct in relation to the endocrine system?

JIPMER 2017 Solution View → 53

Hypersecretion of Growth Hormone in adults does not cause a further increase in height, because

NEET 2017 Solution View → 54

A temporary endocrine gland in the human body is

NEET 2017 Solution View → 55

Match the following Columns.

JIPMER 2016 Solution View → 56

Which one of the following hormones is released by posterior lobe of pituitary gland?

JIPMER 2016 Solution View → 57

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

NEET 2016 Solution View → 58

The posterior pituitary gland is not a 'true' endocrine gland because

NEET 2016 Solution View → 59

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

NEET 2016 Solution View → 60

What causes Graves' disease?

NEET 2016 Solution View → 61

The amino acid tryptophan is the precursor for the synthesis of:

NEET 2016 Solution View → 62

Gonadotropin releasing hormone is transferred to anterior pituitary by

AIIMS 2015 Solution View → 63

Which hormone produces calorigenic effect?

JIPMER 2015 Solution View → 64

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

NEET 2015 Solution View → 65

A chemical signal that has both endocrine and neural roles is:

NEET 2015 Solution View → 66

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

NEET 2015 Solution View → 67

Which of the following pairs of hormones can easily pass through the cell membrane and binds to a receptor inside it (mostly in the nucleus)?

AIIMS 2014 Solution View → 68

Assertion : Adrenocorticotropic-Releasing Hormones (ARH) excite the anterior lobe of pituitary gland to produce adrenocorticotropic hormone (ACTH). Reason: ACTH stimulates the adre

AIIMS 2014 Solution View → 69

Select the correct statement about hormones and their actions

AIIMS 2014 Solution View → 70

Adrenaline and noradrenaline are hormones that act as

JIPMER 2014 Solution View → 71

Steroid hormones work as

JIPMER 2014 Solution View → 72

Fight-or-flight reaction cause activation of:

NEET 2014 Solution View → 73

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

NEET 2014 Solution View → 74

Match the source gland with its respective hormone and function and select the correctoption. Source gland Hormone Function

AIIMS 2013 Solution View → 75

Endemic goitre is a state of

JIPMER 2013 Solution View → 76

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

NEET 2013 Solution View → 77

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 st

NEET 2013 Solution View → 78

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

NEET 2013 Solution View → 79

Which of the following represents the action of insulin?

NEET 2013 Solution View → 80

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

NEET 2013 Solution View → 81

Which of the following statement is correct in relation to the endocrine system?

NEET 2013 Solution View → 82

Catecholamine in a normal person induces

AIIMS 2012 Solution View → 83

Assertion : A male is found to be lacking facial hair and pubic hair. Reason : It is a case of hyposecretion of testosterone from Leydig's cells of testes.

AIIMS 2012 Solution View → 84

Assertion : Oxytocin is also known as Antidiuretic hormone ( ADH ) . Reason : Oxytocin can cause an increase in the renal reabsorption of water.

AIIMS 2012 Solution View → 85

Assertion : Less iodine intake causes goitre. Reason : Less iodine in body decreases thyroxine secretion.

AIIMS 2012 Solution View → 86

Gigantism and acromegaly are due to

JIPMER 2012 Solution View → 87

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?

NEET 2012 Solution View → 88

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

NEET 2012 Solution View → 89

What is correct to say about the hormone action in humans?

NEET 2012 Solution View → 90

Which one of the following pairs of chemical substances, is correctly categorised?

NEET 2012 Solution View → 91

Calcitonin is a thyroid hormone which

JIPMER 2011 Solution View → 92

Glycogenolysis involves

JIPMER 2011 Solution View → 93

Match the source gland with its respective hormone as well as the function.

NEET 2011 Solution View → 94

Given ahead 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

NEET 2011 Solution View → 95

The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone

NEET 2011 Solution View → 96

Which one of the following statements is correct with respect to kidney function regulation?

NEET 2011 Solution View → 97

Assertion : Adrenaline is called an emergency hormone. Reason : It acts on the cells of skeletal, cardiac, smooth muscles, blood vessels and fat cells.

AIIMS 2010 Solution View → 98

Assertion : Insulin is antagonistic to glucagon. Reason : It is an anabolic hormone.

AIIMS 2010 Solution View → 99

What is the effect of GnRH produced by hypothalamus?

AIIMS 2010 Solution View → 100

Follicle stimulating hormone is secreted by

JIPMER 2010 Solution View → 101

Injury to adrenal cortex is not likely to affect the secretion of which one of the following?

NEET 2010 Solution View → 102

Low Ca ²⁺ in the body fluid may be the cause of

NEET 2010 Solution View → 103

Which one of the following pairs is incorrectly matched?

NEET 2010 Solution View → 104

Toxic agents present in food which interfere with thyroxin synthesis lead to the development of

NEET 2010 Solution View → 105

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

NEET 2010 Solution View → 106

Assertion : Hormone calcitonin has antagonistic effect to that of parathormone. Reason : Calcitonin decreases blood calcium level while parathormone increases blood calcium level.

AIIMS 2009 Solution View → 107

Assertion : Mammary glands are apocrine glands. Reason : The distal part containing secretory granules break down and leaves as a secretion.

AIIMS 2009 Solution View → 108

During emergency which of the following hormone is secreted?

JIPMER 2009 Solution View → 109

LH and FSH are collectively called

JIPMER 2009 Solution View → 110

The function of pineal body is to

JIPMER 2009 Solution View → 111

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

NEET 2009 Solution View → 112

A health disorder that results from the deficiency of thyroxine in adults and characterized by (i) a low metabolic rate (ii) increase in body weight and (iii) tendency to retain wa

NEET 2009 Solution View → 113

Assertion : Pituitary is attached to hypothalamus by a vein. Reason : This attachment is done through a hypophysial portal vein.

AIIMS 2008 Solution View → 114

choose the alternative which is opposite in meaning to the word given in italics in the sentence. My uncle is very wealthy, but rather < i>parsimonious < /i> in his habits.

JIPMER 2008 Solution View → 115

choose the alternative which is most nearly the same in meaning to the word given in italics in the sentence. They < i>venerated < /i> the old teacher.

JIPMER 2008 Solution View → 116

The blood calcium level is lowered by the deficiency of

NEET 2008 Solution View → 117

Which one of the following pairs of organs includes only the endocrine glands?

NEET 2008 Solution View → 118

The blood calcium level is lowered by the deficiency of

NEET 2008 Solution View → 119

Which of the following pairs of organs includes only the endocrine glands?

NEET 2008 Solution View → 120

Which of the following match is correct?

AIIMS 2007 Solution View →
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