NEET UG 2019 · Biology · 90 questions
NEET 2019 Biology, question by question
The NEET 2019 Biology section had 90 questions from 35 chapters: 54 easy, 35 medium and 1 hard. 60% were easy, 1 points below the 2017–2026 average for Biology, and 45 (50%) came from Class 12. Cell: The Unit of Life had the most, 5 questions.
Updated 2026-10-08
- Questions
- 90
- 50% of the paper
- Chapters asked
- 35
- 2 usual chapters skipped
- Easy
- 60%
- 2017–2026 average 61%
- From Class 12
- 50%
- 2017–2026 average 49%
The section
What Biology asked in 2019
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
- 80 (89%)
- Use a figure
- 0
Question pattern
BIOLOGY 2019- Recall67%
- Concept13%
- Match the lists9%
- Application7%
- Calculation3%
- Two statements1%
Chapters
The 2019 Biology chapter split
All 35 Biology chapters asked, and which got more or less than usual: the chapter’s ten-year average per 180 questions.
Every chapter asked
- Cell: The Unit of Life5 · usually 3.5
- Molecular Basis of Inheritance5 · usually 5.8
- Principles of Inheritance and Variation5 · usually 4.1
- Environmental Issues4 · usually 1.8
- Evolution4 · usually 2.7
- Human Health and Disease4 · usually 3.2
- Microbes in Human Welfare4 · usually 1.6
- Sexual Reproduction in Flowering Plants4 · usually 3.6
- Anatomy of Flowering Plants3 · usually 2.4
- Biodiversity and Conservation3 · usually 2.1
- Biological Classification3 · usually 2.5
- Biotechnology: Principles and Processes3 · usually 4.4
- Chemical Coordination and Integration3 · usually 2.3
- Reproductive Health3 · usually 2.1
- Animal Kingdom2 · usually 3.3
- Biomolecules2 · usually 3.1
- Biotechnology and its Applications2 · usually 2.3
- Body Fluids and Circulation2 · usually 2.0
- Breathing and Exchange of Gases2 · usually 1.6
- Cell Cycle and Cell Division2 · usually 3.0
- Digestion and Absorption2 · usually 1.4
- Excretory Products and their Elimination2 · usually 1.5
- Human Reproduction2 · usually 3.2
- Locomotion and Movement2 · usually 1.8
- Neural Control and Coordination2 · usually 1.5
- Plant Growth and Development2 · usually 2.2
- Plant Kingdom2 · usually 3.0
- Respiration in Plants2 · usually 1.4
- Structural Organisation in Animals2 · usually 2.6
- Transport in Plants2 · usually 1.2
- Ecosystem1 · usually 1.9
- Mineral Nutrition1 · usually 1.1
- Morphology of Flowering Plants1 · usually 2.7
- Strategies for Enhancement in Food Production1 · usually 1.0
- The Living World1 · usually 0.9
Not asked this year: Organisms and Populations, Photosynthesis in Higher Plants.
More than usual
- Microbes in Human Welfare+2.44 questions · usually 1.6
- Environmental Issues+2.24 questions · usually 1.8
- Cell: The Unit of Life+1.55 questions · usually 3.5
- Evolution+1.34 questions · usually 2.7
- Biodiversity and Conservation+0.93 questions · usually 2.1
- Reproductive Health+0.93 questions · usually 2.1
- Principles of Inheritance and Variation+0.95 questions · usually 4.1
- Human Health and Disease+0.84 questions · usually 3.2
Less than usual, or skipped
- Organisms and Populations−3.0Not asked · usually 3.0
- Photosynthesis in Higher Plants−2.2Not asked · usually 2.2
- Morphology of Flowering Plants−1.71 question · usually 2.7
- Biotechnology: Principles and Processes−1.43 questions · usually 4.4
- Animal Kingdom−1.32 questions · usually 3.3
- Human Reproduction−1.22 questions · usually 3.2
- Biomolecules−1.12 questions · usually 3.1
- Cell Cycle and Cell Division−1.02 questions · usually 3.0
Every question
All 90 Biology questions of NEET 2019
Open any question for the full text, the options and the official answer. “New idea” means no earlier paper had tested it.
Botany53 questions
30 easy23 medium0 hard
- Q91
- Q93
- Q94
- Q95Respiratory Quotient (RQ) value of tripalmitin is :
Respiration in PlantsTCA CycleRespiratory Quotient
MediumOne-line MCQNew idea
- Q96Which of the following is a commercial blood cholesterol lowering agent ?
Microbes in Human WelfareBioactive Molecules
MediumOne-line MCQNew ideaIdea asked in 4 papers
- Q98Which of the following is the most important cause for animals and plants being driven to extinction ?
Biodiversity and ConservationBiodiversity LossHabitat Loss and Fragmentation
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q102
- Q106
- Q108The correct sequence of phases of cell cycle is :
Cell Cycle and Cell DivisionMitotic DivisionSequence of Cell Cycle Phases
EasyOne-line MCQNew ideaIdea asked in 3 papers
- Q110
- Q111
- Q112Concanavalin A is :
BiomoleculesBiomolecule StructureLectin Secondary Metabolites
EasyOne-line MCQNew idea
- Q114Consider the following statements : (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A…
BiomoleculesBiomolecule StructureEnzyme Prosthetic Groups
MediumTwo statementsNew ideaIdea asked in 3 papers
- Q115
- Q119
- Q121Select the incorrect statement.
Principles of Inheritance and VariationSex Determination and Genetic DisordersXO, XY and ZW Sex Determination
MediumOne-line MCQNew ideaIdea asked in 2 papers
- Q123Select the correct group of biocontrol agents.
Microbes in Human WelfareBiocontrol Agents
MediumOne-line MCQNew idea
- Q124Select the incorrect statement.
Strategies for Enhancement in Food ProductionPlant and Animal BreedingAdvantages of Inbreeding and Inbreeding Depression
MediumOne-line MCQNew ideaIdea asked in 2 papers
- Q125
- Q126
- Q127
- Q128
- Q129
- Q131
- Q133
- Q134Xylem translocates :
Transport in PlantsTranspiration PullUptake and Translocation of Mineral Ions
MediumOne-line MCQNew idea
- Q135Cells in phase :
Cell Cycle and Cell DivisionMitotic DivisionQuiescent G0 Phase
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q136Which of the statements given below is not true about formation of Annual Rings in trees ?
Anatomy of Flowering PlantsPlant Tissues and AnatomySpring Wood, Autumn Wood and Annual Rings
MediumOne-line MCQNew ideaIdea asked in 3 papers
- Q137Which of the following ecological pyramids is generally inverted ?
EcosystemEnergy Flow in EcosystemInverted Pyramid of Biomass
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q138Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
Morphology of Flowering PlantsFlower StructurePlacentation Patterns
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q139
- Q142
- Q143What is the site of perception of photoperiod necessary for induction of flowering in plants ?
Plant Growth and DevelopmentPhotoperiodismSite of Photoperiodic Perception
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q144
- Q146
- Q147
- Q148
- Q153
- Q154
- Q156Which of the following statements is incorrect ?
Biological ClassificationViruses, Viroids, Prions and LichensViroids
MediumOne-line MCQIdea asked in 3 papers
- Q158
- Q159
- Q160
- Q165
- Q166
- Q167
- Q169
- Q170
- Q172
- Q173The concept of "Omnis cellula-e cellula" regarding cell division was first proposed by :
Cell: The Unit of LifeEndomembrane System and Cell TheoryHistory of Cell Theory
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q176
- Q177
- Q178
Zoology37 questions
24 easy12 medium1 hard
- Q92
- Q97
- Q99Which part of the brain is responsible for thermoregulation ?
Neural Control and CoordinationNeural System and BrainHypothalamus and Limbic System
EasyOne-line MCQIdea asked in 3 papersAsked the year before
- Q100
- Q101Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth :
Structural Organisation in AnimalsCockroach AnatomyDigestive Tract Anatomy
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q103Which of the following muscular disorders is inherited ?
Locomotion and MovementHuman Skeleton and Musculoskeletal DisordersMuscular Disorders
EasyOne-line MCQNew ideaIdea asked in 3 papers
- Q104
- Q105
- Q107
- Q109
- Q113
- Q116Select the correct sequence for transport of sperm cells in male reproductive system.
Human ReproductionMale Reproductive SystemMale Accessory Ducts
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q117
- Q118
- Q120Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing…
Breathing and Exchange of GasesMechanism of BreathingAsthma and Emphysema
EasyOne-line MCQIdea asked in 3 papersAsked the year before
- Q122DNA precipitation out of a mixture of biomolecules can be achieved by treatment with :
Biotechnology: Principles and ProcessesRestriction EnzymesDNA Precipitation with Chilled Ethanol
EasyOne-line MCQNew ideaIdea asked in 3 papers
- Q130
- Q132
- Q140
- Q141
- Q145
- Q149Drug called 'Heroin' is synthesized by :
Human Health and DiseaseHuman Diseases, Cancer and Drug AbuseOpioids
MediumOne-line MCQIdea asked in 3 papersAsked the year before
- Q150
- Q151
- Q152
- Q155Which of the following sexually transmitted diseases is not completely curable ?
Reproductive HealthReproductive Health and STIsCurability of STIs
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q157
- Q161Which of the following glucose transporters is insulin-dependent ?
Chemical Coordination and IntegrationEndocrine Glands and Hormone ActionPancreatic Hormones
MediumOne-line MCQNew ideaIdea asked in 3 papers
- Q162
- Q163
- Q164
- Q168
- Q171
- Q174What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm ?
Biotechnology and its ApplicationsTransgenic PlantsAlkaline pH Activation
EasyOne-line MCQNew ideaIdea asked in 2 papers
- Q175
- Q179
- Q180Select the correct option.
Locomotion and MovementHuman Skeleton and Musculoskeletal DisordersRibs and Sternum
MediumOne-line MCQIdea asked in 2 papers
Questions from the official NEET UG 2019 paper (NTA). Chapter, topic and idea tags and difficulty are Lumi’s.
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