NEET UG 2026 · Biology · 90 questions

NEET 2026 Biology, question by question

The NEET 2026 Biology section had 90 questions from 30 chapters: 58 easy, 30 medium and 2 hard. 64% were easy, 3 points above the 2017–2026 average for Biology, and 51 (57%) came from Class 12. Cell: The Unit of Life had the most, 7 questions.

Updated 2026-10-08

Questions: 90; 50% of the paper
Chapters asked: 30; 2 usual chapters skipped
Easy: 64%; 2017–2026 average 61%
From Class 12: 57%; 2017–2026 average 49%

The section

What Biology asked in 2026

Class balance, difficulty and the form of the questions. Bars below compare Biology across every paper from 2017–2026.

Botany and Zoology

5040

Botany
Zoology

Class 11 and 12

3951

Class 11
Class 12

Difficulty

5830

Easy
Medium
Hard

New ideas: 49 (54%)
Use a figure: 0

Question pattern

BIOLOGY 2026

Recall58%
Match the lists10%
Concept9%
Two statements9%
Calculation8%
Assertion–reason6%
Application1%

Chapters

The 2026 Biology chapter split

All 30 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 Life7 · usually 3.5
Evolution6 · usually 2.7
Biological Classification5 · usually 2.5
Human Reproduction5 · usually 3.2
Photosynthesis in Higher Plants5 · usually 2.2
Animal Kingdom4 · usually 3.3
Biotechnology: Principles and Processes4 · usually 4.4
Human Health and Disease4 · usually 3.2
Locomotion and Movement4 · usually 1.8
Organisms and Populations4 · usually 3.0
Sexual Reproduction in Flowering Plants4 · usually 3.6
Body Fluids and Circulation3 · usually 2.0
Chemical Coordination and Integration3 · usually 2.3
Morphology of Flowering Plants3 · usually 2.7
Plant Growth and Development3 · usually 2.2
Principles of Inheritance and Variation3 · usually 4.1
The Living World3 · usually 0.9
Biomolecules2 · usually 3.1
Cell Cycle and Cell Division2 · usually 3.0
Ecosystem2 · usually 1.9
Molecular Basis of Inheritance2 · usually 5.8
Plant Kingdom2 · usually 3.0
Reproductive Health2 · usually 2.1
Structural Organisation in Animals2 · usually 2.6
Biodiversity and Conservation1 · usually 2.1
Biotechnology and its Applications1 · usually 2.3
Excretory Products and their Elimination1 · usually 1.5
Microbes in Human Welfare1 · usually 1.6
Neural Control and Coordination1 · usually 1.5
Respiration in Plants1 · usually 1.4

Not asked this year: Anatomy of Flowering Plants, Breathing and Exchange of Gases.

More than usual

Cell: The Unit of Life+3.57 questions · usually 3.5
Evolution+3.36 questions · usually 2.7
Photosynthesis in Higher Plants+2.85 questions · usually 2.2
Biological Classification+2.55 questions · usually 2.5
Locomotion and Movement+2.24 questions · usually 1.8
The Living World+2.13 questions · usually 0.9
Human Reproduction+1.85 questions · usually 3.2
Organisms and Populations+1.04 questions · usually 3.0

Less than usual, or skipped

Molecular Basis of Inheritance−3.82 questions · usually 5.8
Anatomy of Flowering Plants−2.4Not asked · usually 2.4
Breathing and Exchange of Gases−1.6Not asked · usually 1.6
Biotechnology and its Applications−1.31 question · usually 2.3
Biomolecules−1.12 questions · usually 3.1
Principles of Inheritance and Variation−1.13 questions · usually 4.1
Biodiversity and Conservation−1.11 question · usually 2.1
Cell Cycle and Cell Division−1.02 questions · usually 3.0

Every question

All 90 Biology questions of NEET 2026

Open any question for the full text, the options and the official answer. “New idea” means no earlier paper had tested it.

Subject

Difficulty

Idea

Find

90 of 90 questions

Botany50 questions

30 easy18 medium2 hard

Q92
Symbiotic association between fungi and algae are called ________ .
Biological Classification Kingdom Fungi Fungal Role in Lichens
EasyOne-line MCQNew idea
Q93
Cell theory was formulated by ________.
Cell: The Unit of Life Endomembrane System and Cell Theory History of Cell Theory
EasyOne-line MCQIdea asked in 2 papers
Q94
Which of the following are characteristics of prokaryotic cells ? (a) Ribosomes are made of 50S and 30S subunits (b) They can have…
Cell: The Unit of Life Ribosomes and Cytoskeleton Ribosomal Subunits (70S/80S)
MediumOtherIdea asked in 2 papersAsked the year before
Q96
Mitochondrial inner membrane encloses ________.
Cell: The Unit of Life Mitochondria and Plastids Mitochondrial Inner Structure
EasyOne-line MCQNew idea
Q97
Match List-I with List-II. List-I | List-II A. Cristae | I. Flat membrane sacs in stroma of chloroplast B. Cisternae | II. Infoldings in…
Cell: The Unit of Life Mitochondria and Plastids Mitochondrial Inner Structure
MediumMatch the listsNew idea
Q98
The plastid that stores xanthophyll is known as ________ .
Cell: The Unit of Life Mitochondria and Plastids Chromoplast Pigment Composition
MediumOne-line MCQNew idea
Q100
Photorespiration reaction catalyzed by RuBisCo is shown below : $\mathrm{RuBP+O_2\to}$ 3-Phosphoglycerate + X Identify "X" from the given…
Photosynthesis in Higher Plants Calvin and Hatch-Slack Cycles Phosphoglycolate Formation
MediumOne-line MCQNew idea
Q102
Which pigment has absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700)?
Photosynthesis in Higher Plants Photosynthetic Light Reaction PS I and PS II Differences
EasyOne-line MCQNew idea
Q105
Phyllotaxy is the pattern of arrangement of _________.
Morphology of Flowering Plants Leaf Venation and Phyllotaxy Types of Phyllotaxy
EasyOne-line MCQNew idea
Q106
Match List-I with List-II. List-I | List-II A. Starch | I. Fights infection B. Antibody | II. Energy storage C. Concanavalin A | III.…
Biomolecules Biomolecule Structure Function of GLUT-4
MediumMatch the listsIdea asked in 2 papers
Q108
Endomembrane system includes __________.
Cell: The Unit of Life Endomembrane System and Cell Theory Members of the Endomembrane System
EasyOne-line MCQIdea asked in 3 papers
Q109
How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?
Respiration in Plants Glycolysis Pathway Net Yield of Glycolysis
EasyNumericalIdea asked in 2 papers
Q110
Which of the following plant growth regulators is used as herbicide?
Plant Growth and Development Plant Growth Regulators 2,4-D as a Dicot Herbicide
EasyOne-line MCQIdea asked in 2 papers
Q111
Given below are two statements: Statement I: In gymnosperms, the male and female gametophytes remain within the sporangia. Statement II:…
Plant Kingdom Gymnosperms Retention of Gametophytes
MediumTwo statementsNew idea
Q113
Which of the following are characteristic features of Solanaceae family? (a) Flowers are bisexual and actinomorphic (b) Calyx have five…
Morphology of Flowering Plants Flower Structure Adhesion of Stamens
MediumOtherNew idea
Q114
Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.
Photosynthesis in Higher Plants Photosynthetic Light Reaction Early Experiments on Photosynthesis
HardOne-line MCQNew idea
Q116
How many turns of Calvin cycle are required for the formation of three molecules of glucose?
Photosynthesis in Higher Plants Calvin and Hatch-Slack Cycles Calvin Cycle Turns per Glucose
EasyNumericalNew idea
Q119
Arrange the following taxonomic categories in ascending order. (a) Genus | (b) Class (c) Order | (d) Phylum (e) Family | (f) Kingdom (g)…
The Living World Taxonomic Hierarchy Taxonomic Category Sequence
EasyOne-line MCQIdea asked in 2 papers
Q120
Match List-I with List-II. List-I | List-II A. Marginal placentation | I. Argemone B. Axile placentation | II. Tomato C. Parietal…
Morphology of Flowering Plants Flower Structure Placentation Patterns
MediumMatch the listsIdea asked in 2 papers
Q121
Sphenopsida class belongs to __________.
Plant Kingdom Pteridophytes Class Sphenopsida
EasyOne-line MCQNew idea
Q122
Which of the following statements regarding photorespiration are correct? (a) Do not occur in C3 plants (b) CO₂ is consumed and O₂ is…
Photosynthesis in Higher Plants Calvin and Hatch-Slack Cycles Wasteful Nature of Photorespiration
MediumOtherNew idea
Q123
Smooth endoplasmic reticulum __________.
Cell: The Unit of Life Endomembrane System and Cell Theory Lipid Synthesis in SER
EasyOne-line MCQNew idea
Q125
Genus represents __________.
The Living World Taxonomic Hierarchy Genus Grouping Logic
EasyOne-line MCQNew idea
Q126
Which of the following is not a prokaryote?
Biological Classification Kingdom Monera Prokaryotic Cellular Organization
EasyOne-line MCQIdea asked in 2 papers
Q127
Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage?
Plant Growth and Development Plant Growth Regulators Gibberellins and Bolting
EasyOne-line MCQNew idea
Q128
The correct sequence of adult cell cycle phases is __________.
Cell Cycle and Cell Division Mitotic Division Sequence of Cell Cycle Phases
EasyOne-line MCQIdea asked in 3 papers
Q129
Match List-I with List-II. List-I | List-II A. Fusion of protoplasms between gametes | I. Meiosis B. Fusion of two nuclei | II. Plasmogamy…
Biological Classification Kingdom Fungi Fungal Sexual Cycle Stages
MediumMatch the listsNew idea
Q131
Given below are two statements: Statement I: Chromosomes are fully condensed at the end of prophase-I. Statement II: Meiosis I resembles…
Cell Cycle and Cell Division Meiotic Prophase I Maximum Condensation in Diakinesis
MediumTwo statementsNew idea
Q133
Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of the 7th…
Plant Growth and Development Plant Growth and Differentiation Arithmetic and Geometric Growth
EasyNumericalNew idea
Q134
Arrange the following elements in descending order of their contribution to percentage weight of the human body. (a) Oxygen | (b) Carbon…
Biomolecules Biomolecule Structure Elemental Composition of the Body
MediumOne-line MCQNew idea
Q136
Which of the following is used as a clot buster?
Microbes in Human Welfare Bioactive Molecules
EasyOne-line MCQIdea asked in 4 papersAsked the year before
Q137
The inactive form of Bt toxin is converted to the active form in the insect gut __________.
Biotechnology and its Applications Transgenic Plants Alkaline pH Activation
EasyOne-line MCQIdea asked in 2 papers
Q138
Given below are two statements: Statement I: Down's syndrome is caused by the absence of one of the X-chromosomes. Statement II: Turner's…
Principles of Inheritance and Variation Sex Determination and Genetic Disorders Down, Klinefelter and Turner Syndromes
EasyTwo statementsIdea asked in 3 papers
Q141
Natural selection can lead to __________. (a) stabilisation (b) genetic drift (c) directional change (d) disruption Choose the correct…
Evolution Natural Selection Types of Selection Curves
MediumOtherNew idea
Q144
Arrange the following in descending order of number of species in the Amazonian rain forest. (a) Plants | (b) Birds (c) Fishes | (d)…
Biodiversity and Conservation Patterns and Estimates of Biodiversity Species Richness of the Amazon
HardOne-line MCQIdea asked in 2 papers
Q146
Which of the following are primary consumers in a food chain?
Ecosystem Energy Flow in Ecosystem Trophic Level Identification
EasyOne-line MCQIdea asked in 2 papers
Q147
A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is __________.
Evolution Natural Selection Hardy-Weinberg Equation
MediumNumericalIdea asked in 2 papers
Q151
How many theca are present in each lobe of a typical bilobed angiosperm anther ?
Sexual Reproduction in Flowering Plants Anther, Ovule and Embryo Sac Development Structure of the Anther
EasyOne-line MCQNew idea
Q153
Which of the following statements about lac-operon is correct ?
Molecular Basis of Inheritance Gene Regulation and the lac Operon Inducer and Repressor Control
MediumOne-line MCQIdea asked in 2 papers
Q154
Which of the following in female gametophyte of an angiosperm helps in guiding the pollen tube for fertilizing the eggs ?
Sexual Reproduction in Flowering Plants Pollination Mechanisms Role of Filiform Apparatus
EasyOne-line MCQNew idea
Q155
Which of the following plant produces non-albuminous seeds ?
Sexual Reproduction in Flowering Plants Embryo Development Embryo Growth and Non-Albuminous Seeds
MediumOne-line MCQNew idea
Q156
If the diploid chromosome number of typical angiosperm is 36, what would be the chromosome number in its endosperm ?
Sexual Reproduction in Flowering Plants Double Fertilization Ploidy Level Calculation
EasyOne-line MCQIdea asked in 2 papers
Q161
Consider a population of 10 million cells. Given the per-capita birth rate of 0.002 (per unit time) and the per-capita death rate of 0.002…
Organisms and Populations Population Attributes Per Capita Birth/Death Rates
EasyNumericalIdea asked in 2 papers
Q163
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The logistic growth…
Organisms and Populations Population Attributes J-shaped vs S-shaped Growth Curves
EasyAssertion–reasonNew idea
Q167
Which of the following enzymes synthesizes precursor mRNA ?
Molecular Basis of Inheritance Transcription Process RNA Polymerase II Function
EasyOne-line MCQNew idea
Q169
For a person with blood group 'O', which of the following is not a possible combination of parents' blood group genotypes ?
Principles of Inheritance and Variation Mendelian Inheritance ABO Blood Group Inheritance
MediumOne-line MCQIdea asked in 3 papers
Q174
Match List-I with List-II. List-I | List-II A. Both species are harmed | I. Predation B. One species is harmed and the other is benefited…
Organisms and Populations Population Interactions Competition Concept (-/-)
EasyMatch the listsIdea asked in 2 papers
Q175
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In an experiment,…
Principles of Inheritance and Variation Mendelian Inheritance Mendel's Seven Contrasting Traits
EasyAssertion–reasonNew ideaIdea asked in 3 papers
Q177
Which of the following is used as an effective sedative and painkiller for treating post-surgery patients ?
Human Health and Disease Human Diseases, Cancer and Drug Abuse Opioids
EasyOne-line MCQIdea asked in 3 papers
Q178
Which of the following statements are correct ? (a) Energy flow from producers to consumers is unidirectional (b) Energy pyramid can never…
Ecosystem Energy Flow in Ecosystem Upright Pyramid of Energy
MediumOtherNew idea

Zoology40 questions

28 easy12 medium0 hard

Q91
The number of vertebrae in a human is ________ .
Locomotion and Movement Human Skeleton and Musculoskeletal Disorders Vertebral Column
EasyOne-line MCQNew idea
Q95
Which of the following is not a part of human central neural system ?
Neural Control and Coordination Neural System and Brain Central Neural System and Meninges
EasyOne-line MCQNew idea
Q99
Which of the following statements related to pituitary gland are correct ? (a) It is divided anatomically into adenohypophysis and…
Chemical Coordination and Integration Endocrine Glands and Hormone Action Pituitary Gland
MediumOtherIdea asked in 3 papersAsked the year before
Q101
Mad cow disease is caused by _________.
Biological Classification Viruses, Viroids, Prions and Lichens Prions
EasyOne-line MCQNew idea
Q103
In water, frogs respire using _________.
Structural Organisation in Animals Frog Morphology Mechanism of Cutaneous Respiration
EasyOne-line MCQNew idea
Q104
Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?
Locomotion and Movement Human Skeleton and Musculoskeletal Disorders Bones of the Limbs
EasyOne-line MCQNew idea
Q107
Given below are two statements: Statement I: When any plane passing through the central axis of the body divides the organism into two…
Animal Kingdom Animal Kingdom: Basis of Classification and Non-chordates Body Symmetry
MediumTwo statementsIdea asked in 2 papers
Q112
Match List-I with List-II. List-I | List-II A. Spherical | I. Vibrio B. Rod | II. Cocci C. Comma | III. Spirilla D. Spirillum | IV.…
Biological Classification Kingdom Monera Bacterial Morphologies
EasyMatch the listsNew idea
Q115
The number of action potentials generated by sino-arterial node (SAN) in a healthy human is ________ per minute.
Body Fluids and Circulation Cardiac Cycle SA Node Intrinsic Firing Rate
EasyNumericalNew idea
Q117
Which of the following statements is incorrect?
Body Fluids and Circulation Blood Composition, Groups and Coagulation Blood Coagulation
EasyOne-line MCQIdea asked in 3 papers
Q118
Match List-I with List-II. List-I | List-II A. Family | I. Sapindales B. Genus | II. Dicotyledonae C. Class | III. Anacardiaceae D. Phylum…
The Living World Taxonomic Hierarchy Mango Taxonomic Hierarchy
MediumMatch the listsNew idea
Q124
Which one of the following statements is incorrect?
Chemical Coordination and Integration Endocrine Glands and Hormone Action Pancreatic Hormones
EasyOne-line MCQIdea asked in 3 papers
Q130
Given below are two statements: Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II: All…
Animal Kingdom Chordate Classes Amphibia and Reptilia
MediumTwo statementsNew idea
Q132
Which of the following is not a characteristic of chordates?
Animal Kingdom Chordate Classes Fundamental Chordate Features
EasyOne-line MCQIdea asked in 6 papersAsked the year before
Q135
In frogs, the number of pairs of cranial nerves arising from the brain are __________ pairs.
Structural Organisation in Animals Frog Morphology Cranial Nerves Count
EasyOne-line MCQNew idea
Q139
Which of the following disease is not sexually transmitted?
Reproductive Health Reproductive Health and STIs Sexually Transmitted Infections
EasyOne-line MCQIdea asked in 2 papers
Q140
Sperm motility is due to __________.
Human Reproduction Male Reproductive System Spermatozoon Structure
EasyOne-line MCQIdea asked in 2 papersAsked the year before
Q142
The method of directly of injecting a sperm into ovum in assisted reproductive technology is called:
Reproductive Health Assisted Reproductive Tech ICSI Technique
EasyOne-line MCQNew idea
Q143
Which of the following structure is not a part of the male reproductive system?
Human Reproduction Male Reproductive System Male Accessory Ducts
EasyOne-line MCQIdea asked in 2 papers
Q145
Given below are two statements: Statement I: Ovulation is caused by LH surge leading to rupture of Graafian follicles. Statement II:…
Human Reproduction Menstrual Cycle Ovulatory LH Surge
MediumTwo statementsNew idea
Q148
Match List-I with List-II. List-I | List-II A. Excess growth hormone | I. Reabsorption of water and electrolytes in kidney B. Luteinizing…
Chemical Coordination and Integration Endocrine Glands and Hormone Action Endocrine Disorders
EasyMatch the listsIdea asked in 5 papers
Q149
The opening between the right atrium and the right ventricle is guarded by
Body Fluids and Circulation Cardiac Cycle AV Valve Locations
EasyOne-line MCQIdea asked in 2 papers
Q150
Sponges exchange $O_2$ with $CO_2$ by
Animal Kingdom Animal Kingdom: Basis of Classification and Non-chordates Porifera
EasyOne-line MCQIdea asked in 2 papers
Q152
Muscle contraction is initiated by a signal sent by the central nervous system by the release of
Locomotion and Movement Sliding Filament Theory Acetylcholine in Muscle Contraction
EasyOne-line MCQNew idea
Q157
Which of the following statements about the reabsorption process in Henle's loop are correct ? (a) The descending limb of Henle's loop is…
Excretory Products and their Elimination Urine Formation Descending Limb Permeability
MediumOtherIdea asked in 2 papers
Q158
Which of the following is the correct order of arrangement of vertebrate column from the head to toe ?
Locomotion and Movement Human Skeleton and Musculoskeletal Disorders Vertebral Column
EasyOne-line MCQNew idea
Q159
Which of the following is not evidence for evolution ?
Evolution Evidence for Evolution Embryological Support
MediumOne-line MCQNew idea
Q160
Given below are two statements: Statement I: Modern Homo sapiens arose in Australia and moved across continents. Statement II: Homo…
Evolution Origin of Life and Human Evolution Origin and Spread of Homo sapiens
MediumTwo statementsNew idea
Q162
During PCR, primers bind to the DNA strands in the ___ step.
Biotechnology: Principles and Processes Polymerase Chain Reaction Primer Annealing Step
EasyOne-line MCQNew idea
Q164
Adaptive radiation in placental mammals and Australian Marsupials leading to similarity between distant species is an example of
Evolution Evidence for Evolution Convergent Evolution: Marsupials vs. Placentals
EasyOne-line MCQNew idea
Q165
Which of the following are secondary lymphoid organs ? (a) Bone marrow (b) Tonsils (c) Spleen (d) Thymus Choose the correct answer from…
Human Health and Disease Immunity and Lymphoid Organs Primary and Secondary Lymphoid Organs
MediumOtherIdea asked in 3 papersAsked the year before
Q166
Which of the following hormone is not secreted by human placenta ?
Human Reproduction Menstrual Cycle Role of hCG in Pregnancy
EasyOne-line MCQIdea asked in 2 papers
Q168
Given below are two statements: Statement I: Plasmids are autonomously replicating DNA. Statement II: Plasmids are extrachromosomal DNA.…
Biotechnology: Principles and Processes Cloning Vectors Definition of a Plasmid
EasyTwo statementsNew idea
Q170
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Forelimbs of human and…
Evolution Evidence for Evolution Homologous Organs in Animals
EasyAssertion–reasonIdea asked in 2 papers
Q171
Colostrum, secreted by mother during initial days of lactation, is abundant in
Human Health and Disease Immunity and Lymphoid Organs Colostrum and IgA
EasyOne-line MCQIdea asked in 3 papers
Q172
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Abingdon tortoise in…
Organisms and Populations Population Interactions Competitive Exclusion in Galapagos
MediumAssertion–reasonNew idea
Q173
The covering of ovum at ovulation is
Human Reproduction Female Reproductive System Zona Pellucida Formation
EasyOne-line MCQIdea asked in 2 papers
Q176
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In recombinant DNA…
Biotechnology: Principles and Processes Restriction Enzymes Enzymatic Cell Lysis for DNA Isolation
MediumAssertion–reasonNew idea
Q179
Which of the following statements is correct about Plasmodium ?
Human Health and Disease Human Diseases, Cancer and Drug Abuse Plasmodium Life Cycle
MediumOne-line MCQIdea asked in 2 papers
Q180
Match List-I with List-II. List-I | List-II A. Transformation | I. Restriction enzyme B. Cloning site | II. Transfer DNA to host bacteria…
Biotechnology: Principles and Processes Cloning Vectors Origin of Replication (ori)
EasyMatch the listsIdea asked in 3 papers

Questions from the official NEET UG 2026 paper (NTA). Chapter, topic and idea tags and difficulty are Lumi’s.

Biology in every NEET paper

NEET 2026 Physics NEET 2026 Chemistry The whole 2026 paper Biology across ten years