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Botany - Biological Classification

Practise 123 NEET previous year questions on Biological Classification, 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.

Biological Classification has been asked in 24 of the 39 years of NEET papers analysed (1988–2026), with 123 questions in all. 53% of them were easy, 41% moderate and 7% tough. Most of its questions came from 2012, with 10 questions that year. In the last three years (2024–2026) it had 11 questions across 13 papers, about 0.8 per paper.

The chapter's 8 topics are not weighted equally: Kingdom Monera (46 questions, 37%), Kingdom Fungi (32 questions, 26%), and Viruses (13 questions, 11%) have been asked the most. Over the last five years the most frequent topics have been Kingdom Fungi (6), Kingdom Monera (4), and Introduction (2). Kingdom Monera has produced the most tough questions (5).

  1. 1The main criteria used for Five Kingdom Classification proposed by R.H. Whittaker (1969) included : A. Cell structure B. Body organization C2026 (Cancelled)Introduction
  2. 2Match List-I with List-II . List-I List-II A. Fusion of protoplasms between gametes I. Meiosis B. Fusion of two nuclei II. Plasmogamy C. Gen2026 (Re-NEET)Kingdom Fungi
  3. 3Mad cow disease is caused by __________.2026 (Re-NEET)Viruses, Viriods and Prions
  4. 4Match List-I with List-II . List-I List-II A. Spherical I. Vibrio B. Rod II. Cocci C. Comma III. Spirilla D. Spirillum IV. Bacilli Choose th2026 (Re-NEET)Kingdom Monera
  5. 5Symbiotic association between fungi and algae are called __________.2026 (Re-NEET)Kingdom Fungi
  6. 6Which of the following is not a prokaryote ?2026 (Re-NEET)Kingdom Monera
  7. 7Each of the following characteristics represent a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of 2025Introduction
  8. 8Which one of the following is not a criterion for classification of fungi?2024Kingdom Fungi
  9. 9Match List I with List II {array}{|l|l|l|l|} & List-I & & List-II \\ A. & Rhizopus & I. & Mushroom \\ B. & Ustilago & II. & Smut fungus \\ C2024Kingdom Fungi
  10. 10Read the following statements and choose the set of correct statements: In the members of Phaeophyceae, A. Asexual reproduction occurs usual2024Kingdom Fungi
  11. 11Match List-I with List-II: {array}{lll} List-I & {c}{ List-II } \ & {c}{ Mode of Nutrition } \ . Euglenoid & I. Parasitic \ .Dinoflagellate 2024 (Re-NEET)Kingdom Protista
  12. 12Identify the asexual reproductive structure associated with Penicillium :2022 (Phase 1)Kingdom Fungi
  13. 13Given below are two statements: Statement I : Mycoplasma can pass through less than 1 micron filter size. Statement II : Mycoplasma are bact2022 (Phase 1)Kingdom Monera
  14. 14Which of the following is a correct statement?2022 (Phase 1)Kingdom Monera
  15. 15Mad cow disease in cattle and Jacob disease in humans are due to infection by2022 (Phase 2)Prions
  16. 16Which of the following statements is correct?2021Kingdom Fungi
  17. 17Which of the following is correct about viroids?2020 (Phase 1)Viroids
  18. 18Which of the following is incorrect about Cynobacteria?2020 (Phase 2)Kingdom Monera
  19. 19The size of Pleuropneumonia-like Organism ( PPLO ) is:2020 (Phase 2)Kingdom Monera
  20. 20Which of the following statements is incorrect?2019 (All India)Viruses
  21. 21Which of the following statements is incorrect?2019 (All India)Kingdom Fungi
  22. 22Mad cow disease in cattle is caused by an organism which has2019 (Odisha)Prions
  23. 23Which of the following statements is correct?2019 (Odisha)Kingdom Fungi
  24. 24Match the organisms in Column I with habitats in Column II Select the correct option from the following2019 (Odisha)Kingdom Monera
  25. 25Which of the following statements about methanogens is not correct?2019 (Odisha)Kingdom Monera
  26. 26Oxygen is not produced during photosynthesis by2018Kingdom Monera
  27. 27Select the wrong statements:2018Kingdom Fungi
  28. 28Which among the following is not a prokaryote?2018Kingdom Monera
  29. 29After karyogamy followed by meiosis, spores are produced exogenously in2018Kingdom Fungi
  30. 30Ciliates differ from all other protozoan's in2018Kingdom Protista
  31. 31Which of the following organisms are known as chief producers in the oceans?2018Kingdom Protista
  32. 32Viroids differ from viruses in having:2017Viruses
  33. 33Which of the following are found in extreme saline conditions?2017Kingdom Monera
  34. 34Mycorrhizae are the example of:2017Kingdom Fungi
  35. 35Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can2017Kingdom Monera
  36. 36DNA replication in bacteria occurs2017Kingdom Monera
  37. 37Which of the following components provides sticky character to the bacterial cell?2017Kingdom Monera
  38. 38Select the mismatch:2017Kingdom Monera
  39. 39Which of the following statements is wrong for viroids?2016 (Phase 1)Viroids
  40. 40One of the major components of the cell wall of most fungi is:2016 (Phase 1)Kingdom Fungi
  41. 41Which one of the following statements is wrong?2016 (Phase 1)Kingdom Monera
  42. 42Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:2016 (Phase 1)Kingdom Protista
  43. 43Which one of the following is wrong for fungi?2016 (Phase 2)Kingdom Fungi
  44. 44Methanogens belong to:2016 (Phase 2)Kingdom Monera
  45. 45Select the wrong statement.2016 (Phase 2)Kingdom Protista
  46. 46Which one of the following matches is correct?2015 (Phase 1)Kingdom Fungi
  47. 47The guts of cow and buffalo possess:2015 (Phase 1)Kingdom Monera
  48. 48The true nucleus is absent in:2015 (Phase 1)Kingdom Monera
  49. 49The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:2015 (Phase 2)Kingdom Fungi
  50. 50Pick up the wrong statement.2015 (Phase 2)Kingdom Protista

Frequently Asked Questions

1.How many questions are available for Biological Classification?

This chapter includes 123 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 Biological Classification chapter. Questions from other exams like AIIMS or JIPMER are organised separately under their respective exam sections.

3.Is Biological Classification an important chapter for NEET Botany?

Biological Classification has appeared in 24 of the 25 years of NEET papers covered here, with 123 questions across 36 papers - about 3 per paper it appears in.

4.What is the difficulty level of Biological Classification questions in NEET?

Of the 123 questions analysed for this chapter, 53% are easy, 41% moderate and 7% tough. 2012 had the most, with 10 questions.

5.Which topics in Biological Classification should I focus on?

These topics have carried the most weightage in Biological Classification:

  • Kingdom Monera - 46 questions (37%)
  • Kingdom Fungi - 32 questions (26%)
  • Viruses - 13 questions (11%)
  • Kingdom Monera has produced the most tough questions (5).
6.Is Biological Classification's weightage in NEET going up or down?

Across all 36 papers analysed, Biological Classification has averaged about 3.4 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.8 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.