Biology: Half of NEET, and Worth Studying That Way
Biology carries 90 of NEET’s 180 questions — more than Physics and Chemistry combined. This guide organises Jupiter Science’s Botany and Zoology material by topic, close to the NCERT structure NEET questions are drawn from.
Diagrams, definitions and NCERT lines matter here as much as understanding — Biology rewards precise recall built on a real conceptual base.
Explore Biology by exam
Biology by topic
Botany and Zoology split roughly evenly. Human physiology and genetics & evolution are shared high-weight areas.
Diversity of life
Classification of living organisms, the plant and animal kingdoms, and the basis of biological classification.
Structural organisation
Cell structure and function, plant and animal tissues, and morphology of flowering plants and animals.
Plant physiology
Photosynthesis, respiration in plants, plant growth and development, and transport in plants.
Human physiology
Digestion, breathing, circulation, excretion, movement, neural and hormonal control — one of NEET’s heaviest chapters.
Reproduction
Reproduction in organisms, sexual reproduction in flowering plants, human reproduction, and reproductive health.
Genetics & evolution
Principles of inheritance, molecular basis of inheritance, and the evidence and mechanisms of evolution.
Biology & human welfare
Health and disease, microbes in human welfare, and the strategies for enhancement in food production.
Biotechnology
Principles and processes of biotechnology, and its applications in medicine, agriculture and industry.
Ecology & environment
Organisms and populations, ecosystems, biodiversity and conservation, and environmental issues.
How to study Biology for NEET
Biology rewards a specific method more than any other NEET subject: read the NCERT line, understand it, then recall it precisely.
- MethodNEET preparation hubThe full study cycle, stage-by-stage plan and common mistakes to avoid.
- ReferenceRevision notesShort, exam-focused notes for the days before you sit a paper.
- ReferenceQuick-reference sheetsCompact summaries for topics with heavy terminology, like genetics and biotechnology.
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Turn understanding into marks
Practice questions
Problems with solutions, so you can check your reasoning as well as your answer.
Practise →Sample questions
Short original questions with reasoning revealed once you have tried.
Try them →Quick-reference sheets
Compact reference sheets for topics with heavy terminology.
Revise →Revision notes
Short, exam-focused notes for the days before you sit a paper.
Open notes →Biology preparation FAQ
Short answers for students starting out.
Is Biology really worth more than Physics and Chemistry combined in NEET?
Yes. NEET has 45 questions each in Physics, Chemistry, Botany and Zoology, so Biology (Botany + Zoology) accounts for 90 of the 180 questions and 360 of the 720 marks — exactly half the exam.
Should I read NCERT line by line?
Yes, especially in Class 12 chapters like genetics, human physiology and ecology. NEET Biology questions are frequently drawn directly from NCERT sentences, diagrams and examples, so close reading pays off more here than in any other subject.
Which chapters should I prioritise if I'm short on time?
Human physiology, genetics & molecular basis of inheritance, ecology, and plant physiology are consistently high-weight areas across recent years. Prioritise them, but do not skip diversity and reproduction entirely — they still contribute several questions each.
How is Biology different for Botany vs Zoology?
Botany covers plant classification, morphology, physiology and reproduction; Zoology covers animal classification, human physiology and human reproduction. Genetics, evolution, ecology and biotechnology chapters are shared and draw from both.
Related subjects
Pick one chapter and read it the NCERT way this week.
In Biology, precise recall built on real understanding beats broad, shallow reading.
Maintained by Rahul Anand. Also see: Physics · Mathematics · Chemistry · Academy