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Zoology - Structural Organisation in Animals

Practise 99 NEET previous year questions on Structural Organisation in Animals, compiled from papers spanning 2003 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.

Structural Organisation in Animals has been asked in 23 of the 39 years of NEET papers analysed (1988–2026), with 99 questions in all. 61% of them were easy, 34% moderate and 5% tough. Most of its questions came from 2009, with 13 questions that year. In the last three years (2024–2026) it had 14 questions across 13 papers, about 1.1 per paper.

The chapter's 7 topics are not weighted equally: Cockroach (28 questions, 28%), Connective Tissue (17 questions, 17%), and Epithelial Tissue (17 questions, 17%) have been asked the most. Cockroach has also led over the last five years, with 9 questions. Frog has produced the most tough questions (3).

  1. 1Male frogs can be distinguished from female frogs due to the presence of : A. Bulging eyes B. Vocal sacs C. Webbed digits in feet D. Copulat2026 (Cancelled)Frog
  2. 2Choose the correct statements regarding frog's anatomy : A. Hepatic portal system is the special venous connection between liver and intesti2026 (Cancelled)Frog
  3. 3In frogs, the number of pairs of cranial nerves arising from the brain are __________.2026 (Re-NEET)Frog
  4. 4What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?2025Frog
  5. 5Which of the following statement is correct about location of the male frog copulatory pad?2025Frog
  6. 6In frog, the Renal portal system is a special venous connection that acts to link :2025Frog
  7. 7Three types of muscles are given as and c . Identify the correct matching pair along with their location in human body: Name of muscle/locat2024Muscle Tissue
  8. 8In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on2024Cockroach
  9. 9Match List I with List II: Choose the correct answer from the options given below:2024Epithelial Tissue
  10. 10Match List I with List II related to digestive system of cockroach. Choose the correct answer from the options given below:2024Cockroach
  11. 11Which of the following statements is correct about the type of junction and their role in our body?2024 (Re-NEET)Epithelial Tissue
  12. 12Which of the following is/are present in female cockroach? A. Collateral gland B. Mushroom gland C. Spermatheca D. Anal style E. Phallic gla2024 (Re-NEET)Cockroach
  13. 13In which of the following connective tissues, the cells secrete fibres of collagen or elastin? A. Cartilage B. Bone C. Adipose tissue D. Blo2024 (Re-NEET)Connective Tissue
  14. 14Match List I with List II : {array}{|l|l|l|l|} & List - I & & List - II \\ A. & Squamous Epithelium & I. & Goblet cells of alimentary canal 2024 (Re-NEET)Epithelial Tissue
  15. 15Given below are two statements: Statement I: Ligaments are dense irregular tissue. Statement II: Cartilage is dense regular tissue. In the l2023 (All India)Connective Tissue
  16. 16Which of the following is characteristics feature of cockroach regarding sexual dimorphism?2023 (All India)Cockroach
  17. 17In cockroach excretion is brought about by- A. Phallic gland B. Urecose gland C. Nephrocytes D. Fat body E. Collaterial glands Choose the co2023 (All India)Cockroach
  18. 18Match List I with List II. List I List II A. Mast cells I. Ciliated epithelium B. Inner surface of bronchiole II. Areolar connective tissue 2023 (All India)Connective Tissue
  19. 19Given below are two statements: Statement I: Goblet cells are unicellular glands. Statement II : Earwax is the secretion of exocrine gland. 2023 (Manipur)Epithelial Tissue
  20. 20The Cockroach is :2023 (Manipur)Cockroach
  21. 21Given below are two statements : Statement I: In cockroach, the forewings are transparent and prothoracic in origin. Statement II : In cockr2023 (Manipur)Cockroach
  22. 22Match List-I with List-II. Choose the correct answer from the options given below :2023 (Manipur)Animal Tissue
  23. 23Which of the following is not a connective tissue?2022 (Phase 1)Connective Tissue
  24. 24Tegmina in cockroach, arises from:2022 (Phase 1)Cockroach
  25. 25Match list - I with the list - II. List- I List- II (a) Bronchioles (i) Dense regular connective tissue (b) Goblet cell (ii) Loose connectiv2022 (Phase 1)Connective Tissue
  26. 26Which of the following types of epithelium is present in the bronchioles and Fallopian tubes?2022 (Phase 2)Epithelial Tissue
  27. 27Choose the correct statement about a muscular tissue:2022 (Phase 2)Muscle Tissue
  28. 28Choose the correct statements : (a) Bones support and protect softer tissues and organs (b) Weight bearing function is served by limb bones 2022 (Phase 2)Connective Tissue
  29. 29Excretion in cockroach is performed by all, EXCEPT :2022 (Phase 2)Cockroach
  30. 30Which of the following statements wrongly represents the nature of smooth muscle?2021Muscle Tissue
  31. 31Which of the following characteristics is incorrect with respect to cockroaches?2021Cockroach
  32. 32Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitate communication with neigh2021Animal Tissue
  33. 33Following are the statements about prostomium of earthworm. (a) It serves as a covering for the mouth. (b) It helps to open cracks in the so2021Earthworm
  34. 34If the head of cockroach is removed, it may live for few days because2020 (Phase 1)Cockroach
  35. 35Which one of the following is the most abundant protein in the animals?2020 (Phase 1)Connective Tissue
  36. 36Goblet cells of alimentary canal are modified from2020 (Phase 1)Epithelial Tissue
  37. 37Cuboidal epithelium with brush border of microvilli is found in2020 (Phase 1)Epithelial Tissue
  38. 38In cockroach, identify the parts of the foregut in correct sequence:2020 (Phase 2)Cockroach
  39. 39Match the following columns with reference to cockroaches and select the correct option: Column - I Column - II (a) Grinding of the food par2020 (Phase 2)Cockroach
  40. 40Select the incorrectly matched pair from following:2020 (Phase 2)Connective Tissue
  41. 41The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:2019 (All India)Epithelial Tissue
  42. 42Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:2019 (All India)Cockroach
  43. 43Mach the following cell structures with their characteristic features. Select the correct option from the following2019 (Odisha)Animal Tissue
  44. 44Which of the following statements is incorrect?2019 (Odisha)Cockroach
  45. 45Which of the following features is used to identify a male cockroach from a female cockroach?2018Cockroach
  46. 46Select the correct route for the passage of sperms in male frogs.2017Frog
  47. 47Frog s heart when taken out of the body continues to beat for sometime. Select the best option from the following statements: (i) Frog is a 2017Frog
  48. 48Which of the following features is not present in Periplaneta americana ?2016 (Phase 1)Earthworm
  49. 49Which type of tissue is correctly paired with its location?2016 (Phase 1)Animal Tissue
  50. 50In male cockroaches, sperms are stored in which part of the reproductive system?2016 (Phase 2)Cockroach

Frequently Asked Questions

1.How many questions are available for Structural Organisation in Animals?

This chapter includes 99 questions compiled from NEET papers spanning 2003 to 2026.

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

These are NEET questions specifically for the Structural Organisation in Animals chapter. Questions from other exams like AIIMS or JIPMER are organised separately under their respective exam sections.

3.Is Structural Organisation in Animals an important chapter for NEET Zoology?

Structural Organisation in Animals has appeared in 23 of the 25 years of NEET papers covered here, with 99 questions across 36 papers - about 3 per paper it appears in.

4.What is the difficulty level of Structural Organisation in Animals questions in NEET?

Of the 99 questions analysed for this chapter, 61% are easy, 34% moderate and 5% tough. 2009 had the most, with 13 questions.

5.Which topics in Structural Organisation in Animals should I focus on?

These topics have carried the most weightage in Structural Organisation in Animals:

  • Cockroach - 28 questions (28%)
  • Connective Tissue - 17 questions (17%)
  • Epithelial Tissue - 17 questions (17%)
  • Frog has produced the most tough questions (3).
6.Is Structural Organisation in Animals's weightage in NEET going up or down?

Across all 36 papers analysed, Structural Organisation in Animals has averaged about 2.8 questions per paper. In the last three years (2024–2026), that average has fallen, at about 1.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.