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AIIMS MBBS Biology Section

Last Updated - March 03, 2017

AIIMS Biology Syllabus includes questions from Botany and Zoology. Generally, Botany is given more weightage then the Zoology part. Candidates who want to score good in AIIMS biology section, should focus primarily on Botany syllabus. AIIMS Biology section consists of 60 questions, having one mark for each question.

AIIMS (All Indian Institute of Medical Sciences) conducts the AIIIMS Medical Entrance Exam for admission to MBBS course in the different institutes of AIIMS. The exam is conducted online, as a computer-based test (CBT) every year. AIIMS MBBS 2017 will be conducted on May 28, 2017.

The test is of 3 hours 30 minutes and will contain 200 questions objective in nature. The question paper is divided into 4 sections viz. Chemistry, Biology, Physics and General awareness. One mark is given for each correct answer and 1/3rd marks will be deducted for each wrong answer. The exam majorly covers 11th and 12th syllabus prescribed by NCERT.

AIIMS MBBS: Biology Syllabus

AIIMS MBBS Paper is set according to the syllabus of 11th and 12th NCERT which are prescribed by the CBSE Board. Given below is the detailed syllabus of AIIMS MBBS Biology:

Botany Syllabus

Anatomy and Physiology of Plants: Meristems-Plant growth and developmentInternal structure of stem and secondary growth
 Internal structure of dicot and monocot leaves photosynthesisInternal and external regulators of growth and development in plants
Xylem and Phloem-their cell elements and functions Transpiration and respirational
 Internal structure of dicot and monocot roots Factors and mechanism
 Absorption and cell water relations transport of water and minerals
turgor movementsTropic
Botany and Human Welfare 

Zoology Syllabus

HistologyAnatomy and Physiology
Reproductive SystemDiversity of Animal Life
Developmental BiologyGenetics and Evolution

Also Check AIIMS MBBS Physics Section 

AIIMS MBBS: Weightage in Biology section

Biology plays an important part in AIIMS MBBS 2017. To score well and get admitted to any of the AIIMS institutes, candidate should take biology seriously. Candidates can check the weightage of all the chapters and prepare accordingly.

Question-wise weightag

Given below are the question-weightage for AIIMS MBBS Biology section. The maximum weightage is given to general Biology.​

TopicNo. of Questions
General biology27
Animal kingdom3
Structural organization in animal tissue 3
Human anatomy and physiology7
Plant Kingdom4
Plant morphology and anatomy2
Plant anatomy6
Plant physiology2
Plant reproduction3
Economic botany3

Chapter wise Weightage

The below table represents the unit and chapter-wise weightage of all the important topics in AIIMS MBBS Biology.

Diversity in Living WorldThe Living World2.50%
Biological Classification3.33%
Plant Kingdom2.50%
Animal Kingdom5.83% 
Structural Organization in Plants and AnimalsMorphology of Flowering Plants2.50%
Anatomy of Flowering Plant1.67%
Study of animal tissues1.67%
Cell: Structure & FunctionCell: The unit of life0.00%
cell cycle and cell division1.67%
plant physiologytransport in plants1.67%
mineral nutrition2.50%
photosynthesis in higher plants1.67%
respiration in plants2.50%
plant growth and development1.67%
human physiologydigestion and absorption4.17%
breathing and exchange of gases2.50%
body fluids and circulation1.67%
excretory products and their elimination3.33%
locomotion and movement2.50%
neural control and coordination1.67%
chemical coordination and integration1.67%
Reproductionreproduction in organisms2.50%
sexual reproduction in flowering plants2.50%
human reproduction2.50%
reproductive health1.67%
genetics and evolutionprinciples of inheritance and variation4.17%
molecular basis of inheritance4.17%
Biology in human welfarehuman health & disease3.33%
strategies for enhancement in food production4.17%
microbes in human welfare1.67%
Biotechnologybiotechnology: principles & processes1.67%
biotechnology & its application1.67%
Ecologyorganisms and population3.33%
biodiversity and conservation2.50%
environmental issues2.50%

AIIMS MBBS: Important Books for Biology

Cracking the AIIMS MBBS is no easy deal. Begin with NECRT books and make sure you refer to some other helpful books mentioned below. These standard biology books include fundamental principles and concepts of biology and provide accurate information.

N.C.E.R.T. ExemplarObjective Dinesh for biologyArihant Master the NCERT
A C Dutta for Botany ( Oxford Publication)G.R.B. by Dr. R.K. Gupta for zoology

Pradeep Publication’s Biology

Prakash Objective Biology

Trueman’s Biology Vol. 1 & 2Aim4aiims

AIIMS MBBS: Online Resources for Biology

There are many websites that help in enhancing the performance of all the aspiring candidates of AIIMS MBBS. There are study materials, video tutorials, online lectures, and mock tests available online for the help of candidates. There are various web portals that provide online coaching classes for the candidates. Few helpful online portals for AIIMS MBBS are listed below.

  • Dr.Mentors

Check AIIMS MBBS Syllabus

AIIMS MBBS: Preparation Tips

Aspirants are suggested to keep the following tips in mind while preparing for AIIMS MBBS. The right mix of diligence, hardwork and preparation strategy can make the ride easy.

  • First, analyze the syllabus and mark the important topics.
  •  Start from the difficult topic.
  •  Give proper attention to diagrams, and laws & principles.
  • Practice mock test paper regularly
  • Don’t start with something new a 2 week before the exam.
  • Revise daily

AIIMS MBBS: Exam Pattern

AIIMS MBBS 2017 consists of 4 sections which contain 60 questions based on Chemistry, Physics, and Biology. Candidates have to make their concepts strong to crack the exam. Out of 200 marks, Biology alone holds 60 marks and hence, it is important to prepare it sincerely.

AIIMS Medical Entrance Exam can be given in English or Hindi, as per the candidate’s preference. The exam is taken for the period for 3 hours and 30 minutes. The weightage of marks in AIIMS MBBS is given below:

General Knowledge2020



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