NEET Biology Syllabus Reduced for 2024: Check List of Deleted Topics, Download Revised Syllabus PDF

Class 11

Class 12

• Taxonomic Aids
• Angiosperm (Secondary Growth)
• Transport in Plants (except Xylem and Phloem)
• Mineral Nutrition
• Vernalization and Seed Dormancy
• Sense Organs
• Digestion and Absorption

• Reproduction in Organisms
• Strategies for Enhancement in Food Production
• Succession
• Environmental Issues

Class 11 Biology Deleted Topics for NEET 2024

Unit Name

Deleted Topics

Unit I: Diversity in Living World

Three domains of life;

Tools for study of Taxonomy – Museums, Zoos, Herbaria, Botanical gardens.

Angiosperms – classification up to class, characteristic features and examples)

Unit IV: Plant Physiology

Transport in plants: Movement of water, gases and nutrients; Cell to cell transport-Diffusion, facilitated diffusion, active transport; Plant – water relations – Imbibition, water potential, osmosis, plasmolysis; Long distance transport of water – Absorption, apoplast, symplast, transpiration pull, root pressure and guttation; Transpiration-Opening and closing of stomata; Uptake and translocation of mineral nutrients-Transport of food, phloem transport, Mass flow hypothesis; Diffusion of gases (brief mention).

Mineral nutrition: Essential minerals, macro and micronutrients and their role; Deficiency symptoms; Mineral toxicity; Elementary idea of Hydroponics as a method to study mineral nutrition; Nitrogen metabolism-Nitrogen cycle, biological nitrogen fixation.

Seed dormancy; Vernalisation; Photoperiodism.

UNIT V: Human Physiology

Digestion and absorption; Alimentary canal and digestive glands; Role of digestive enzymes and gastrointestinal hormones; Peristalsis, digestion, absorption and assimilation of proteins, carbohydrates and fats; Caloric value of proteins, carbohydrates and fats; Egestion; Nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhea.

Reflex action; Sense organs; Elementary structure and function of eye and ear.

Class 12 Biology Deleted Topics for NEET 2024

UNIT VI: Reproduction

Reproduction in organisms: Reproduction, a characteristic feature of all organisms for continuation of species; Modes of reproduction – Asexual and sexual; Asexual reproduction; Modes-Binary fission, sporulation, budding, gemmule, fragmentation; vegetative propagation in plants.

Environmental issues: Air pollution and its control; Water pollution and its control; Agrochemicals and their effects; Solid waste management; Radioactive waste management; Greenhouse effect and global warning; Ozone depletion; Deforestation; Any three case studies as success stories addressing environmental issues.  

Unit X: Ecology and Environment

Organisms and environment: Habitat and niche; Population and ecological adaptations;

Class 11 Biology Topics Added

Class 12 Biology Topics Added

Unit II: Structural Organisation in Animals and Plants

Family (malvaceae, Cruciferae, leguminoceae, compositae, graminae)

Unit VII: Genetics and Evolution

Protein biosynthesis

Unit III: Cell Structure and Function

Classification and nomenclature of anzymes.

Unit VIII: Biology and Human Welfare

Tobacco abuse