AIIMS BSc Nursing 2026 Important Topics: High-Weightage Physics, Chemistry & Biology Chapters

AIIMS BSc Nursing 2026 Important Topics: With the AIIMS BSc Nursing Entrance Examination scheduled for 27 June 2026, candidates should now shift from learning new concepts to strategic revision. At this stage, success depends on identifying high-yield topics, strengthening weak areas, and improving exam temperament through mock tests. Focusing on topics that have been repeatedly asked in previous years can help maximize your score in the limited time available.

AIIMS BSc Nursing 2026: Subject-Wise Important Topics (Physics, Chemistry & Biology) 

With only a few days remaining, candidates should prioritize topics that have consistently carried significant weightage in previous AIIMS Nursing entrance examinations. These frequently tested concepts can contribute substantially to your overall score and should not be overlooked.

The following sections cover the most important and frequently asked topics from Physics, Chemistry, and Biology that deserve special attention during your final revision phase.

AIIMS BSc Nursing Physics 2026 Topics

General Approach to Physics

Many students find Physics challenging. It is important to not be afraid and instead focus on revision and prioritizing essential topics.

Mechanics

• Basics of Distance, Displacement, Speed, Velocity, Acceleration: These fundamental concepts are frequently tested.

• Kinematic Equations

• Numerical Problems based on these concepts.

• Projectile Motion

• Relative Velocity: Especially river-related problems.

• Collision

• Circular Motion

• Work-Energy Theorem

Optics

• Lensmaker Formula

• Refraction

• Optical Instruments: Focus on formula-based questions.

• Fringe Width Calculation

• Polarization

Electrostatics & Electricity

• Terminal Voltage

• Resistance

• Torque

• Electric Field and Potential

• Coulomb's Law

Electromagnetism

• Magnetic Field and Forces

• Induction

• AC Circuits

• LCR Circuits

• EM Waves

Modern Physics

• Photoelectric Effect

• Bohr Model of Atom: This is an extremely important topic; mark it for special attention.

• Nuclear Physics

Miscellaneous Physics Topics

• Units and Dimensions

• Vectors

• Error Analysis

• Important Derivations

• Numerical Practice: Physics formulas and numerical problems are paramount and will be a significant part of the exam. Do not skip numerical practice.

AIIMS BSc Nursing Chemistry 2026 Topics

General Approach to Chemistry

While often less intimidating than Physics, reactions are a crucial component, especially in Organic Chemistry.

Organic Chemistry

• General Organic Chemistry (GOC)

• IUPAC Nomenclature

• Acidity and Basicity

• Stability Order

• Organic Reactions

Structure of Atom

• Bohr Model of Atom

• Quantum Numbers

• Electronic Configuration

• Radius and Energy Calculations

Chemical Bonding

• Covalent Bond

• Bond Order

• Hydrogen Bonding

• Questions on bonding are consistently asked.

Basic Concepts of Chemistry

• Mole Concept

• Molarity, Molality, and Normality

• Percentage Composition

• Molecular Formula

• Limiting Reagent

Solutions

• Types of Solutions

• Concentration Terms

• Colligative Properties

• Osmotic Pressure

• van't Hoff Factor

Chemical Kinetics

• Rate of Reaction

• Order of Reaction

• Rate Constant

• Half-Life

• Factors Affecting the Rate of Reaction

Thermodynamics

• All important aspects of Thermodynamics are crucial.

Equilibrium

• Buffer Solutions

• Henderson-Hasselbalch Equation: This equation is guaranteed to appear in the exam.

Electrochemistry

• Redox Reactions

• Cell EMF

• Electrolytic Cell

Inorganic Chemistry

• Classification of Elements

• Periodic Trends

• Redox Reactions

• Coordination Compounds

• Biomolecules: Carbohydrates, Proteins, Amino Acids.

Top Five Important Chemistry Chapters

1. Organic Chemistry

2. Chemical Bonding

3. Mole Concept

4. Equilibrium

5. Electrochemistry

Also Check: AIIMS BSc Nursing Chemistry Most Expected Questions

AIIMS BSc Nursing Biology Topics 2026

General Approach to Biology

Biology is a highly scoring subject but can also be detrimental if not prepared well. Many chapters have been covered extensively with both theory and MCQs.

Cell Biology

• Eukaryotic and Prokaryotic Cells

• Cell Cycle

• Cell Organelles

• Mitosis vs. Meiosis: Understand the differences and reduction processes.

Plant Kingdom & Animal Kingdom

These are "Star Chapters" and cover a major portion of the syllabus. Skipping them is a significant mistake.

Plant Kingdom

• Classification of Plants

• Algae: Types, Associations.

• Bryophytes, Pteridophytes, Gymnosperms

• Angiosperms: Morphology, Anatomy of flowering plants.

Animal Kingdom

• Basic Classification

• Non-Chordates

• Chordates

• Vertebrates: General characteristics.

Structural Organization in Animals

• Frog and Cockroach: Thoroughly understand their entire structure and unique features.

Human Physiology

• Respiration

• Body Fluids & Circulation

• Excretion:

• Kidney Structure

• Nephron Structure and Function (e.g., PCT, DCT, Loop of Henle)

• Urine Formation, Micturition Reflex

• Loop of Henle: Focus on ascending vs. descending limbs, thick vs. thin segments.

• Vasa Recta

• Counter Current Mechanism: Questions on this are highly likely.

• Neural Control & Coordination: This is a very important chapter; expect multiple questions (e.g., on neurons, neuroglia).

• Endocrine System:

• Exocrine vs. Endocrine Glands, Ductless Glands

• Hormone Secretion Pathways

• Functions of specific hormones (e.g., FSH, TSH, Oxytocin, ADH, Adrenal Cortex hormones).

• Locomotion & Movement: Focus on muscle contraction mechanisms.

Reproduction

• Menstrual Cycle: Consistently asked in previous years and should be thoroughly studied.

• Fertilization, Pregnancy, Embryonic Development

• Spermatogenesis and Oogenesis: Understand egg and sperm formation, structure of testes, seminiferous tubules, associated hormones, and cells.

Genetics

• Mendel's Laws of Inheritance

• Sex Determination

• Molecular Basis of Inheritance

• These are foundational topics that must not be skipped.

Biotechnology

• Genetic Engineering

• Transgenic Animals

Human Health & Disease

• Communicable vs. Non-communicable diseases: Both types are important.

Organisms & Environment (Ecology)

• Ecosystem

• Biodiversity

• This topic is generally considered easy and has been studied since early education.

High-Yield Biology Chapters

• Human Physiology

• Reproduction

• Genetics

• Cell Biology

• Plant Kingdom

• Biotechnology

• Human Health & Disease

• Ecology

Overarching Repeated Biology Topics (Last 4-5 Years)

• Cell Structure

• Mitosis & Meiosis: Focus on their differences.

• Reproduction

• Blood

• Excretion

• Principles of Inheritance

• Mendel's Laws

• Monohybrid vs. Dihybrid Crossing

• Microbes

• Immunity

• Dicot vs. Monocot Seed

• Types of Leaves

Also Check : AIIMS BSc Nursing Biology Most Expected Questions

AIIMS BSc Nursing 2026 Last-Minute Preparation Strategy

A strong AIIMS BSc Nursing preparation plan should revolve around three pillars:

1. Smart Revision

Revise important formulas, diagrams, NCERT concepts, and short notes regularly. Concentrate on understanding concepts rather than memorizing isolated facts.

2. Extensive MCQ Practice

Solve topic-wise and mixed-question MCQs daily. This helps improve speed, accuracy, and familiarity with frequently asked question patterns.

3. Full-Length Mock Tests

Mock tests are one of the most effective tools for final preparation. They help candidates:

• Understand the actual AIIMS BSc Nursing exam pattern

• Improve time management skills

• Increase speed and accuracy

• Identify strong and weak areas

• Analyze conceptual, calculation, and silly mistakes

• Build confidence for the real examination

While attempting a mock test, treat it exactly like the final exam. Avoid checking answers, using notes, or taking unnecessary breaks. The real benefit comes from carefully analyzing mistakes after each test and making targeted improvements.

Quick Tip: Every mock test should be followed by detailed error analysis. Learning from mistakes is often more valuable than the score itself.