NEET UG 2025 · Biology · 90 questions
NEET 2025 Biology, question by question
The NEET 2025 Biology section had 90 questions from 31 chapters: 51 easy, 38 medium and 1 hard. 57% were easy, 4 points below the 2017–2026 average for Biology, and 48 (53%) came from Class 12. Molecular Basis of Inheritance had the most, 8 questions.
Updated 2026-10-08
- Questions
- 90
- 50% of the paper
- Chapters asked
- 31
- 2 usual chapters skipped
- Easy
- 57%
- 2017–2026 average 61%
- From Class 12
- 53%
- 2017–2026 average 49%
The section
What Biology asked in 2025
Class balance, difficulty and the form of the questions. Bars below compare Biology across every paper from 2017–2026.
Botany and Zoology
- Botany
- Zoology
Class 11 and 12
- Class 11
- Class 12
Difficulty
- Easy
- Medium
- Hard
- New ideas
- 68 (76%)
- Use a figure
- 4
Question pattern
BIOLOGY 2025- Recall44%
- Concept12%
- Match the lists12%
- Application9%
- Two statements9%
- Assertion–reason6%
- Calculation4%
- Figure-based3%
Chapters
The 2025 Biology chapter split
All 31 Biology chapters asked, and which got more or less than usual: the chapter’s ten-year average per 180 questions.
Every chapter asked
- Molecular Basis of Inheritance8 · usually 5.8
- Biotechnology: Principles and Processes6 · usually 4.4
- Chemical Coordination and Integration5 · usually 2.3
- Human Health and Disease5 · usually 3.2
- Human Reproduction5 · usually 3.2
- Plant Kingdom5 · usually 3.0
- Sexual Reproduction in Flowering Plants5 · usually 3.6
- Animal Kingdom4 · usually 3.3
- Biomolecules4 · usually 3.1
- Cell: The Unit of Life4 · usually 3.5
- Organisms and Populations4 · usually 3.0
- Structural Organisation in Animals4 · usually 2.6
- Ecosystem3 · usually 1.9
- Microbes in Human Welfare3 · usually 1.6
- Morphology of Flowering Plants3 · usually 2.7
- Principles of Inheritance and Variation3 · usually 4.1
- Biodiversity and Conservation2 · usually 2.1
- Biotechnology and its Applications2 · usually 2.3
- Photosynthesis in Higher Plants2 · usually 2.2
- Plant Growth and Development2 · usually 2.2
- Anatomy of Flowering Plants1 · usually 2.4
- Biological Classification1 · usually 2.5
- Body Fluids and Circulation1 · usually 2.0
- Breathing and Exchange of Gases1 · usually 1.6
- Cell Cycle and Cell Division1 · usually 3.0
- Evolution1 · usually 2.7
- Excretory Products and their Elimination1 · usually 1.5
- Mineral Nutrition1 · usually 1.1
- Reproductive Health1 · usually 2.1
- Respiration in Plants1 · usually 1.4
- The Living World1 · usually 0.9
Not asked this year: Locomotion and Movement, Neural Control and Coordination.
More than usual
- Chemical Coordination and Integration+2.75 questions · usually 2.3
- Molecular Basis of Inheritance+2.28 questions · usually 5.8
- Plant Kingdom+2.05 questions · usually 3.0
- Human Health and Disease+1.85 questions · usually 3.2
- Human Reproduction+1.85 questions · usually 3.2
- Biotechnology: Principles and Processes+1.66 questions · usually 4.4
- Structural Organisation in Animals+1.44 questions · usually 2.6
- Microbes in Human Welfare+1.43 questions · usually 1.6
Less than usual, or skipped
- Cell Cycle and Cell Division−2.01 question · usually 3.0
- Locomotion and Movement−1.8Not asked · usually 1.8
- Evolution−1.71 question · usually 2.7
- Biological Classification−1.61 question · usually 2.5
- Neural Control and Coordination−1.5Not asked · usually 1.5
- Anatomy of Flowering Plants−1.41 question · usually 2.4
- Principles of Inheritance and Variation−1.13 questions · usually 4.1
- Reproductive Health−1.11 question · usually 2.1
Every question
All 90 Biology questions of NEET 2025
Open any question for the full text, the options and the official answer. “New idea” means no earlier paper had tested it.
Botany55 questions
33 easy22 medium0 hard
- Q91
- Q95
- Q96
- Q97
- Q98
- Q99
- Q100
- Q102
- Q103
- Q104
- Q105Streptokinase produced by bacterium *Streptococcus* is used for
Microbes in Human WelfareBioactive Molecules
EasyOne-line MCQIdea asked in 4 papers
- Q106
- Q108
- Q111
- Q113
- Q114
- Q117
- Q118
- Q119
- Q121
- Q122
- Q124
- Q127
- Q128
- Q129
- Q130
- Q131Which one of the following enzymes contains 'Haem' as the prosthetic group?
BiomoleculesBiomolecule StructureEnzyme Prosthetic Groups
MediumOne-line MCQIdea asked in 3 papersAsked the year before
- Q132
- Q133
- Q134
- Q137
- Q140
- Q141
- Q145
- Q146Histones are enriched with -
Molecular Basis of InheritanceDNA Double HelixHistone Amino Acid Composition
EasyOne-line MCQIdea asked in 2 papers
- Q149The protein portion of an enzyme is called :
BiomoleculesBiomolecule StructureHoloenzyme Components
EasyOne-line MCQIdea asked in 2 papers
- Q150
- Q152
- Q153
- Q154
- Q155Which of the following is an example of a zygomorphic flower?
Morphology of Flowering PlantsFlower StructureZygomorphic Flower Examples
EasyOne-line MCQIdea asked in 2 papers
- Q157
- Q158
- Q159
- Q162
- Q163
- Q164
- Q168
- Q170
- Q171
- Q173
- Q174
- Q176
- Q177Which of the following microbes is NOT involved in the preparation of household products? A. Aspergillus niger B. Lactobacillus C.…
Microbes in Human WelfareMicrobe-Product Matching
MediumOtherIdea asked in 5 papersAsked the year before
- Q180
Zoology35 questions
18 easy16 medium1 hard
- Q92
- Q93
- Q94
- Q101
- Q107
- Q109While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity…
Animal KingdomAnimal Kingdom: Basis of Classification and Non-chordatesAcoelomate, Pseudocoelomate and Coelomate
MediumOne-line MCQIdea asked in 2 papersAsked the year before
- Q110
- Q112
- Q115
- Q116
- Q120
- Q123
- Q125
- Q126Identify the part of a bio-reactor which is used as a foam braker from the given figure.
Biotechnology: Principles and ProcessesCloning VectorsBioreactors
MediumFigure-basedIdea asked in 3 papersAsked the year before
- Q135
- Q136
- Q138
- Q139All living members of the class Cyclostomata are:
Animal KingdomChordate ClassesCyclostomata
MediumOne-line MCQNew idea
- Q142Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : All vertebrates…
Animal KingdomChordate ClassesFundamental Chordate Features
EasyAssertion–reasonIdea asked in 6 papersAsked the year before
- Q143
- Q144
- Q147The first menstruation is called :
Human ReproductionMenstrual CycleMenarche Definition and Onset
EasyOne-line MCQNew idea
- Q148
- Q151
- Q156
- Q160
- Q161Why can't insulin be given orally to diabetic patients?
Chemical Coordination and IntegrationEndocrine Glands and Hormone ActionChemical Classes of Hormones
EasyOne-line MCQIdea asked in 3 papersAsked the year before
- Q165
- Q166
- Q167
- Q169
- Q172
- Q175
- Q178Match List - I with List - II. List - I | List - II A. Progesterone | I. Pars intermedia B. Relaxin | II. Ovary C. Melanocyte stimulating…
Chemical Coordination and IntegrationEndocrine Glands and Hormone ActionPituitary Gland
MediumMatch the listsIdea asked in 3 papersAsked the year before
- Q179
Questions from the official NEET UG 2025 paper (NTA). Chapter, topic and idea tags and difficulty are Lumi’s.
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