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BiologyFor NEET UG 2026

Cell biology, genetics, ecology, human physiology, and botany for NEET UG.

NEET-UG/Biology
chapter37
topic200

What is Living

Diversity in the Living World

Taxonomic Categories

Taxonomical Aids

Nomenclature

Two Kingdom Classification

Five Kingdom Classification

Virus, Viroids and Prions

Lichens

Bacteria

Archaebacteria

Algae

Bryophytes

Pteridophytes

Gymnosperms

Angiosperms

Plant Life Cycles and Alternation of Generations

Root System

Shoot System

Leaf

Inflorescence

Flower

Fruit and Seed

Tissues

Tissue Systems

Anatomy of Dicot and Monocot Plants

Secondary Growth

Cell Theory

Prokaryotic and Eukaryotic Cells

Cell Membrane

Cell Wall

Cell Organelles

Nucleus

Carbohydrates

Proteins

Lipids

Nucleic Acids

Enzymes

Cell Cycle

Mitosis

Meiosis

Transport of Water

Transpiration

Translocation of Organic Solutes

Uptake and Transport of Mineral Nutrients

Essential Mineral Elements

Deficiency Symptoms

Mechanism of Absorption of Elements

Nitrogen Metabolism

Photosynthesis as a Means of Autotrophic Nutrition

Site of Photosynthesis

Pigments Involved in Photosynthesis

Light Reactions

Biosynthetic Phase

Factors Affecting Photosynthesis

Glycolysis

Fermentation

Aerobic Respiration

Respiratory Balance Sheet

Amphibolic Pathways

Respiratory Quotient

Growth

Differentiation, Dedifferentiation and Redifferentiation

Development

Plant Growth Regulators

Photoperiodism

Vernalisation

Types of Reproduction

Asexual Reproduction

Sexual Reproduction

Events in Sexual Reproduction

Flower Structure

Pre-fertilisation Structures and Events

Pollination

Double Fertilisation

Post-fertilisation Structures and Events

Apomixis and Polyembryony

Mendel's Laws of Inheritance

Inheritance of One and Two Genes

Chromosomal Theory of Inheritance

Linkage and Recombination

Sex Determination

Mutation

DNA as Genetic Material

Structure of DNA and RNA

DNA Packaging

DNA Replication

Transcription

Genetic Code and Translation

Gene Expression and Regulation

Microbes in Household Food Processing

Microbes in Industrial Products

Microbes in Sewage Treatment

Microbes in Production of Biogas

Microbes as Biocontrol Agents

Microbes as Biofertilisers

Principles of Biotechnology

Tools of Recombinant DNA Technology

Processes of Recombinant DNA Technology

Biotechnological Applications in Agriculture

Biotechnological Applications in Medicine

Transgenic Animals

Ethical Issues

Organism and Environment

Adaptations

Population Attributes

Population Interactions

Ecosystem Structure and Function

Productivity and Decomposition

Energy Flow

Ecological Pyramids

Nutrient Cycling

Ecological Succession

Biodiversity

Biodiversity Loss

Conservation of Biodiversity

Basis of Classification

Classification of Animals

Phylum Porifera

Phylum Cnidaria

Phylum Platyhelminthes

Phylum Nematoda

Phylum Annelida

Phylum Arthropoda

Phylum Mollusca

Phylum Echinodermata

Phylum Hemichordata

Phylum Chordata

Animal Tissues

Organ and Organ System

Earthworm

Cockroach

Frog

Body Fluids

Circulatory Pathways

Human Circulatory System

Double Circulation

Regulation of Cardiac Activity

Disorders of Circulatory System

Modes of Excretion

Excretory Organs

Human Excretory System

Regulation of Kidney Function

Micturition

Role of other Organs in Excretion

Disorders of Excretory System

Types of Movement

Muscle

Skeletal System

Mechanism of Muscle Contraction

Red and White Muscle Fibres

Disorders of Muscular and Skeletal System

Neural System

Generation and Conduction of Nerve Impulse

Transmission of Nerve Impulse

Central Neural System

Peripheral Neural System

Visceral Nervous System

Endocrine Glands and Hormones

Human Endocrine System

Pancreas

Testis and Ovary

Thymus

Hormones of Heart, Kidney and GI Tract

Digestive System

Digestion of Food

Absorption of Digested Products

Regulation of Digestion

Common Digestive Disorders

Respiratory Organs

Mechanism of Breathing

Exchange of Gases

Transport of Gases

Regulation of Respiration

Respiratory Disorders

Male Reproductive System

Female Reproductive System

Fertilisation and Implantation

Pregnancy and Embryonic Development

Parturition and Lactation

Reproductive Health Problems and Strategies

Population Explosion and Birth Control

Medical Termination of Pregnancy

Sexually Transmitted Diseases

Infertility

Common Diseases in Humans

Immunity

AIDS

Cancer

Drugs and Alcohol Abuse

Animal Husbandry

Bee Keeping

Fisheries

Single Cell Protein

Microbes in Household Food Processing

Microbes in Industrial Products

Microbes in Sewage Treatment

Microbes in Production of Biogas

Microbes as Biocontrol Agents

Microbes as Biofertilizers

subtopic263

Characteristics of Living Organisms

Growth and Reproduction

Magnitude of Diversity

Need for Classification

Taxonomic Hierarchy

Species Concept

Herbarium and Botanical Gardens

Museums and Zoological Parks

Binomial Nomenclature

Rules of Nomenclature

Kingdom Monera

Kingdom Protista

Kingdom Fungi

Structure and Replication of Virus

Viroids and Prions

Structure of Bacterial Cell

Bacterial Reproduction

Classification of Algae

Reproduction in Algae

Economic Importance

General Characteristics

Classification and Examples

General Characteristics

Classification and Examples

General Characteristics

Classification and Examples

General Characteristics

Classification into Families

Types of Root Systems

Modifications of Roots

Stem Modifications

Branching Patterns

Leaf Venation and Types

Leaf Modifications

Types of Inflorescence

Cymose and Racemose

Parts of Flower

Aestivation and Placentation

Types of Fruits

Seed Structure

Meristematic Tissues

Permanent Tissues

Epidermal Tissue System

Ground and Vascular Tissue Systems

Dicot Root and Stem

Monocot Root and Stem

Formation of Secondary Tissues

Annual Rings

Structural Differences

Examples and Characteristics

Fluid Mosaic Model

Transport Across Membrane

Composition and Structure

Endoplasmic Reticulum and Ribosomes

Golgi Apparatus and Lysosomes

Mitochondria and Plastids

Nuclear Structure

Chromatin and Nucleolus

Monosaccharides and Disaccharides

Polysaccharides

Amino Acids and Peptide Bonds

Protein Structure and Functions

Fatty Acids and Glycerides

Phospholipids and Steroids

DNA Structure

RNA Types and Functions

Enzyme Structure and Classification

Enzyme Kinetics and Regulation

Phases of Cell Cycle

Regulation of Cell Cycle

Phases of Mitosis

Significance of Mitosis

Phases of Meiosis

Significance and Comparison

Water Absorption by Roots

Ascent of Sap

Mechanism of Transpiration

Factors Affecting Transpiration

Phloem Transport

Pressure Flow Hypothesis

Macronutrients and Micronutrients

Functions of Mineral Elements

Nitrogen Cycle

Biological Nitrogen Fixation

Chloroplast Structure

Chlorophylls and Carotenoids

Light Harvesting Complexes

Photosystem I and II

Electron Transport Chain

Calvin Cycle

C4 and CAM Pathways

Steps of Glycolysis

Regulation of Glycolysis

Alcoholic and Lactic Acid Fermentation

Citric Acid Cycle

Electron Transport System

Characteristics of Growth

Growth Curves

Auxins and Gibberellins

Cytokinins, Ethylene and ABA

Asexual and Sexual Reproduction

Binary Fission and Budding

Vegetative Propagation

Phases of Sexual Reproduction

Gametic Fusion

Microsporogenesis and Microgametogenesis

Megasporogenesis and Megagametogenesis

Types of Pollination

Agents of Pollination

Process of Double Fertilisation

Endosperm and Embryo Development

Law of Dominance

Law of Segregation and Independent Assortment

Monohybrid and Dihybrid Crosses

Gene Mapping

Experiments Proving DNA as Genetic Material

Watson-Crick Model

Types of RNA

Mechanism of DNA Replication

Process of Transcription

Properties of Genetic Code

Process of Translation

Rhizobium and Mycorrhiza

Genetic Engineering

Restriction Enzymes

Cloning Vectors

Isolation of DNA

Cloning and Expression

Bt Cotton and Pest Resistant Plants

Gene Therapy

Recombinant Therapeutics

Abiotic Factors

Morphological and Physiological Adaptations

Population Growth

Competition, Predation and Parasitism

Commensalism and Mutualism

Components of Ecosystem

Primary and Secondary Productivity

Decomposition Process

Food Chains and Food Webs

Carbon and Phosphorus Cycles

Levels of Biodiversity

Biodiversity Patterns

Causes of Biodiversity Loss

In-situ and Ex-situ Conservation

Hotspots and Protected Areas

Levels of Organization

Symmetry

Coelom

Non-chordates

Chordates

Subphylum Urochordata

Subphylum Cephalochordata

Subphylum Vertebrata

Epithelial Tissue

Connective Tissue

Muscular Tissue

Neural Tissue

External Morphology

Anatomy

External Morphology

Anatomy

External Morphology

Anatomy

Blood

Lymph

Open Circulatory System

Closed Circulatory System

Human Heart

Cardiac Cycle

Electrocardiogram

Ammonotelism

Ureotelism

Uricotelism

Structure of Kidney

Urine Formation

Function of Tubules

Renin-Angiotensin

Atrial Natriuretic Factor

Amoeboid Movement

Ciliary Movement

Muscular Movement

Types of Muscle

Structure of Contractile Proteins

Muscle Contraction

Components of Skeletal System

Types of Joints

Neuron as Structural Unit

Types of Neurons

Resting and Action Potential

Conduction of Nerve Impulse

Structure of Synapse

Mechanism of Synaptic Transmission

Brain

Spinal Cord

Cranial Nerves

Spinal Nerves

Types of Hormones

Mechanism of Hormone Action

Hypothalamus and Pituitary

Pineal and Thyroid

Parathyroid and Adrenal

Insulin and Glucagon

Diabetes Mellitus

Alimentary Canal

Digestive Glands

Digestion in Mouth

Digestion in Stomach

Digestion in Small Intestine

Absorption of Carbohydrates

Absorption of Proteins

Absorption of Fats

Respiratory Organs in Animals

Human Respiratory System

Inspiration and Expiration

Respiratory Volumes

Diffusion of Gases

Transport of Gases

Transport of Oxygen

Transport of Carbon dioxide

Structure of Male Reproductive System

Spermatogenesis

Hormonal Control

Structure of Female Reproductive System

Oogenesis

Menstrual Cycle

Fertilisation

Implantation

Embryonic Development

Placenta

Parturition

Lactation

Population Growth

Birth Control Methods

Bacterial STDs

Viral STDs

Causes of Infertility

Assisted Reproductive Technologies

Infectious Diseases

Non-infectious Diseases

Innate Immunity

Acquired Immunity

Active and Passive Immunity

HIV and AIDS

Prevention of AIDS

Characteristics of Cancer Cells

Carcinogens and Oncogenes

Adolescence and Drug Abuse

Effects of Drug Abuse

Animal Breeding

Cattle Farming

Poultry Farming

Honey Bee Varieties

Products of Bee Keeping

Marine Fisheries

Inland Fisheries

Aquaculture

Fermented Foods

Role of LAB

Antibiotics

Chemicals and Enzymes

Primary and Secondary Treatment

Biological Control of Pests