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Zoology - Chemical Coordination and Integration

Practise 90 NEET previous year questions on Chemical Coordination and Integration, compiled from papers spanning 2002 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty NEET tests.

Chemical Coordination and Integration has been asked in 23 of the 39 years of NEET papers analysed (1988–2026), with 90 questions in all. 54% of them were easy, 43% moderate and 2% tough. Most of its questions came from 2020, with 7 questions that year. In the last three years (2024–2026) it had 12 questions across 13 papers, about 0.9 per paper.

The chapter's 15 topics are not weighted equally: Introduction (19 questions, 21%), Adrenal Gland (17 questions, 19%), and Pancreas (12 questions, 13%) have been asked the most. Over the last five years the most frequent topics have been Adrenal Gland (3), Thyroid (3), and Pancreas (2). Introduction has produced the most tough questions (2).

  1. 1Match List I with List II : List I List II A. Cortisol I. Stimulates the formation of alveoli in mammary glands B. Aldosterone II. Produces 2026 (Cancelled)Adrenal Gland
  2. 2Which of the following statements related to pituitary gland are correct ? (a) It is divided anatomically into adenohypophysis and neurohypo2026 (Re-NEET)Hypothalamus and Pituitary
  3. 3Which one of the following statements is incorrect ?2026 (Re-NEET)Pancreas
  4. 4Match List-I with List-II . List-I List-II A. Excess growth hormone I. Reabsorption of water and electrolytes in kidney B. Luteinizing hormo2026 (Re-NEET)Hypothalamus and Pituitary
  5. 5Match List-I with List-II. Choose the correct answer from the options given below :2025Heart
  6. 6Consider the following statements regarding function of adrenal medullary hormones : (A) It causes pupilary constriction. (B) It is a hyperg2025Adrenal Gland
  7. 7Which of the following hormones released from the pituitary is actually synthesized in the hypothalamus?2025Pituitary Gland
  8. 8Match List-I with List-II. Choose the correct answer from the options given below :2025Ovary
  9. 9Which of the following is not a steroid hormone?2024Testis
  10. 10Match List I with List II : {array}{|l|l|l|l|} & List I & & List II \\ A. & Exophthalmic goiter & I. & Excess secretion of cortisol, moon fa2024Thyroid
  11. 11Match List-I with List-II. Choose the correct answer from the options given below :2024 (Re-NEET)Introduction
  12. 12Identify the wrong statements : A. Erythropoietin is produced by juxtaglomerular cells of the kidney B. Leydig cells produce Androgens C. At2024 (Re-NEET)Gastrointestinal Mucosa
  13. 13Match 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 fr2023 (All India)Gastrointestinal Mucosa
  14. 14Which of the following options are correct? A. An excessive loss of body fluid from the body switches off osmoreceptors. B. ADH facilitates 2023 (All India)Adrenal Gland
  15. 15Which of the following are NOT under the control of thyroid hormone? A. Maintenance of water and electrolyte balance B. Regulation of basal 2023 (All India)Thyroid
  16. 16Which of the following statements are correct with respect to the hormone and its function? (A) Thyrocalcitonin (TCT) regulates the blood ca2023 (Manipur)Thyroid
  17. 17Given below are two statements: Statement I : Parathyroid hormone acts on bones and stimulates the process of bone resorption. Statements II2023 (Manipur)Parathyroid Gland
  18. 18Which of the following are not the effects of parathyroid hormone? (a) Stimulates the process of bone resorption. (b) Decreases Ca 2 + level2022 (Phase 1)Parathyroid Gland
  19. 19Match List- I with List- II List- I (Biological Molecules) List- II (Biological functions) (a) Glycogen (i) Hormone (b) Globulin (ii) Biocat2022 (Phase 1)Pancreas
  20. 20Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : FSH which interac2022 (Phase 2)Introduction
  21. 21Match the following columns and select the correct option. Column-I Column-II (a) Pituitary gland (i) Grave s disease (b) Thyroid gland (ii)2020 (Phase 1)Thyroid
  22. 22Identify the substances having glycosidic bond and peptide bond, respectively in their structure.2020 (Phase 1)Pancreas
  23. 23Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?2020 (Phase 1)Ovary
  24. 24Presence of which of the following conditions in urine are indicative of Diabetes mellitus?2020 (Phase 1)Pancreas
  25. 25Select the correct statement.2020 (Phase 1)Pancreas
  26. 26Match the following columns and select the correct option:- Column - I Column - II (a) Pituitary hormone (i) Steroid (b) Epinephrine (ii) Ne2020 (Phase 2)Introduction
  27. 27Hormones stored and released from neurohypophysis are:2020 (Phase 2)Pituitary Gland
  28. 28Which of the following glucose transporters are insulin-dependent?2019 (All India)Pancreas
  29. 29Match the following hormones with the respective disease: Select the correct option2019 (All India)Pancreas
  30. 30How dose steroid hormone influence the cellular activities?2019 (All India)Introduction
  31. 31Identify and in the diagrammatic representation of the mechanism of hormone action. Select the correct option from the following2019 (Odisha)Introduction
  32. 32Artificial light, extended work-time and reduced sleep-time disrupt the activity of2019 (Odisha)Pineal Body
  33. 33Which of the following conditions will stimulate parathyroid gland to release parathyroid hormone?2019 (Odisha)Parathyroid Gland
  34. 34Which of the following hormones can play a significant role in osteoporosis?2018Ovary
  35. 35Which of the following is an amino acid derived hormone?2018Introduction
  36. 36Hypersecretion of Growth Hormone in adults does not cause a further increase in height, because2017Hypothalamus
  37. 37A temporary endocrine gland in the human body is2017Introduction
  38. 38Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?2016 (Phase 1)Adrenal Gland
  39. 39The amino acid tryptophan is the precursor for the synthesis of:2016 (Phase 1)Pineal Body
  40. 40What causes Graves disease?2016 (Phase 2)Thyroid
  41. 41Name a peptide hormone which acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation.2016 (Phase 2)Pancreas
  42. 42The posterior pituitary gland is not a 'true' endocrine gland because2016 (Phase 2)Introduction
  43. 43A chemical signal that has both endocrine and neural roles is:2015 (Phase 1)Adrenal Gland
  44. 44Which one of the following hormones is not involved in sugar metabolism?2015 (Phase 2)Adrenal Gland
  45. 45Which one of the following hormones though synthesized elsewhere, is stored and release by the master gland?2015 (Phase 2)Pituitary Gland
  46. 46Identify the hormone with its correct matching of source and function.2014Pineal Body
  47. 47Fight-or-flight reaction cause activation of:2014Adrenal Gland
  48. 48A pregnant female delivers a baby, who suffers from stunted growth, mental retardation low intelligence quotient and abnormal skin. This is 2013 (All India)Thyroid
  49. 49Which of the following statement is correct in relation to the endocrine system?2013 (All India)Introduction
  50. 50Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom2013 (All India)Thyroid

Frequently Asked Questions

1.How many questions are available for Chemical Coordination and Integration?

This chapter includes 90 questions compiled from NEET papers spanning 2002 to 2026.

2.Are these questions only from NEET, or from other exams too?

These are NEET questions specifically for the Chemical Coordination and Integration chapter. Questions from other exams like AIIMS or JIPMER are organised separately under their respective exam sections.

3.Is Chemical Coordination and Integration an important chapter for NEET Zoology?

Chemical Coordination and Integration has appeared in 23 of the 25 years of NEET papers covered here, with 90 questions across 37 papers - about 2 per paper it appears in.

4.What is the difficulty level of Chemical Coordination and Integration questions in NEET?

Of the 90 questions analysed for this chapter, 54% are easy, 43% moderate and 2% tough. 2020 had the most, with 7 questions.

5.Which topics in Chemical Coordination and Integration should I focus on?

These topics have carried the most weightage in Chemical Coordination and Integration:

  • Introduction - 19 questions (21%)
  • Adrenal Gland - 17 questions (19%)
  • Pancreas - 12 questions (13%)
  • Introduction has produced the most tough questions (2).
6.Is Chemical Coordination and Integration's weightage in NEET going up or down?

Across all 37 papers analysed, Chemical Coordination and Integration has averaged about 2.4 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.9 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.