Careers360 Logo
ask-icon
share
    Important Biology Chapters For AIIMS BSc Nursing Exam 2026

    Important Biology Chapters For AIIMS BSc Nursing Exam 2026

    Irshad AnwarUpdated on 21 Nov 2025, 10:43 AM IST

    The AIIMS BSc Nursing Exam 2026 is one of the most important exams for nursing aspirants. Questions are asked from Physics, Chemistry, Biology, and General Knowledge. Biology holds a weightage of 30 out of 100 marks. Learning the Important Biology Chapters for AIIMS BSc Nursing Exam 2026 will give a clear direction for preparation.

    This Story also Contains

    1. Important Biology Chapters for AIIMS BSc Nursing: Chapter-wise Overview
    2. Important Questions from Biology Chapters for AIIMS BSc Nursing 2026 exam
    3. AIIMS BSc Nursing Biology Preparation Strategy
    Important Biology Chapters For AIIMS BSc Nursing Exam 2026
    Important Biology Chapters for AIIMS BSc Nursing Exam

    The Biology part is based on the Class 11 and 12 NCERT syllabus. Some chapters are asked more often in the exam. Human Physiology, Genetics, Cell Biology, Reproduction, and Ecology are high-scoring areas. This article highlights the important chapters, exam pattern, and a simple plan to prepare well for the AIIMS BSc nursing exam.

    Important Biology Chapters for AIIMS BSc Nursing: Chapter-wise Overview

    Some of the important Biology chapters and key topics for the AIIMS Nursing Exam:

    Chapter Name

    Key Topics

    Cell: Structure and Functions

    • Structure of Cells: Understand the differences between prokaryotic and eukaryotic cells.

    • Functions of Organelles: Study the roles of various organelles such as the nucleus, mitochondria, endoplasmic reticulum, and ribosomes.

    Cell Cycle and Cell Division

    • Mitosis: It is a type of cell division that produces two genetically identical daughter cells, helping in growth, repair, and maintenance of the body.

    • Meiosis: Meiosis is a cell division that reduces the chromosome number by half, forming four genetically unique haploid cells.

    Body Fluids and Circulation

    • Components: Blood transports gases, nutrients, and wastes, while the heart acts as a pump that circulates blood.

    • Homeostasis: Understand the mechanisms that maintain a stable internal environment.

    Exchange of Gases

    • Lung Volume and Lung Capacity: Lung volume is the quantity of air during breathing, while lung capacity is the combination of the volume.

    Principles of Inheritance and Variation

    • Mendelian Genetics: Study the principles of inheritance, including dominant and recessive traits.

    • Chromosomal Abnormalities: These abnormalities occur due to changes in chromosome number or structure, leading to disorders like Down, Turner, or Klinefelter syndromes.

    Molecular Basis of Inheritance

    • DNA Structure and Function: Understand the role of DNA in heredity and protein synthesis.

    • Central Dogma: The central dogma describes the flow of genetic information from DNA to RNA and RNA to protein.

    • Human Genome Project: The Human Genome Project mapped the entire human DNA sequence.

    Human Health and Diseases

    • Classification of Microorganisms: Understand the characteristics of bacteria, viruses, fungi, and protozoa.

    • Pathogenesis: Learn how microorganisms cause diseases and the body’s immune response.

    • Infection Control: Familiarise yourself with strategies for preventing infections in healthcare settings.

    Organisms and Population

    • Ecosystem Dynamics: Study the components of ecosystems and how energy flows through them.

    • Ecological Interactions: These are relationships between organisms such as predation, competition, and mutualism.

    Ecosystem

    • Ecological Pyramids: These are graphs that represent the flow of energy, biomass, or number of organisms at different trophic levels in an ecosystem.


    Important Questions from Biology Chapters for AIIMS BSc Nursing 2026 exam

    Here’s a table of important questions related to important biology chapters for the AIIMS BSc Nursing Exam, along with their answers:

    S. No

    Question

    Answer

    Chapter Name

    1

    What is the basic unit of life?

    Cell

    Cell Biology

    2

    What are the main components of the circulatory system?

    Human Heart, blood vessels, blood

    Human Anatomy and Physiology

    3

    What is Mendel's law of segregation?

    Alleles separate during gamete formation

    Genetics and Evolution

    4

    What is the role of bacteria in the nitrogen cycle?

    Nitrogen fixation

    Microbiology

    5

    What is an ecosystem?

    A community of living organisms interacting with their environment

    Ecology and Environment

    AIIMS BSc Nursing Biology Preparation Strategy

    Preparing for AIIMS Nursing Biology requires clear understanding of the syllabus, regular question practise and focused study plan. Here are some tips to help you increase your overall score in the exam:

    • Focus on NCERT: Study NCERT line-by-line as most of the questions are directly or indirectly asked from it. Make notes from the chapters and revise them regularly.

    • Practice chapter-wise MCQs: After completing each unit practise questions of the same unit. This not only strengthens your memory but also helps you know the type of questions asked in the exams.

    • Revise diagrams: Most of the students leave diagrams and tables given in the NCERT textbook. Do not forget to revise them as questions are asked from them as well.

    • Weekly mixed-chapter test: After you have completed a few chapters, take a test consisting of questions from all the chapters. This will help you find your strengths and weaknesses.

    • Note-making using charts & tables: Charts & tables are concise and help you revise quickly during the last few days of the exams.

    Virohan Allied & Healthcare Programs

    Allied & Healthcare programs | 20+ Partner Universities & Institutes | 98% placement record

    Articles
    |
    Upcoming Medicine Exams
    Ongoing Dates
    IPU Paramedical Exam Application Date

    2 Feb'26 - 31 Mar'26 (Online)

    Ongoing Dates
    SSUHS BSc Nursing Application Date

    20 Mar'26 - 30 Apr'26 (Online)

    Ongoing Dates
    IGNOU Post Basic BSc Nursing Admit Card Date

    23 Mar'26 - 29 Mar'26 (Online)

    Certifications By Top Providers
    Biomolecules Structure Function in Health and Disease
    Via All India Institute of Medical Sciences New Delhi
    Economic Evaluation for Health Technology Assessment
    Via Postgraduate Institute of Medical Education and Research Chandigarh
    Industrial Biotechnology
    Via Indian Institute of Technology Kharagpur
    Maternal Infant Young Child Nutrition
    Via Indian Institute of Technology Bombay
    Counseling Psychology
    Via Savitribai Phule Pune University, Pune
    Coursera
     355 courses
    Futurelearn
     310 courses
    Edx
     233 courses
    Udemy
     191 courses
    Explore Top Universities Across Globe

    Questions related to AIIMS Nursing

    On Question asked by student community

    Have a question related to AIIMS Nursing ?

    Hi Kajal,

    Biology carries the highest weightage in BSc Nursing entrance exams, followed by Physics, Chemistry, and English. Focus on Human Anatomy, Physiology, Genetics, Ecology, and Cell Biology.

    You can check the detailed list of important chapters here:

    https://medicine.careers360.com/articles/important-chapters-for-aiims-bsc-nursing-exam

    Hi Student

    AIIMS Nursing exam 2026 will be held on June 28, 2026. You can go through the AIIMS B.Sc Nursing syllabus to prepare thoroughly for the exam.

    Hi !

    For general category candidates, the qualifying percentage for General category is 50 %. You can check the AIIMS Bsc nursing cut off in the link below.

    AIIMS Bsc nursing cut off

    Preparing for the AIIMS BSc Nursing 2026 exam becomes easier with the previous year's question paper. AIIMS Nursing Exam is on 27 June 2026. Check below link.

    https://medicine.careers360.com/articles/aiims-bsc-nursing-question-paper

    Hi,

    The qualifying marks for the AIIMS BSc Nursing exam vary based on the category of the students, and for the OBC category, students need to score 45% marks. So, set a realistic goal according to the passing marks.

    According to the AIIMS BSc Nursing Exam Cut Off , the