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NEET Biology

NEET Biology Syllabus Breakdown

Biology carries 50% weightage (360 marks) in NEET, divided into Botany (180 marks) and Zoology (180 marks).

Botany (High Weightage Topics)

Plant Physiology (30-35 marks)
Photosynthesis (C3/C4/CAM pathways)
Respiration (Glycolysis, Krebs cycle, ETS)
Plant growth regulators (Auxins, Gibberellins)

Genetics & Biotechnology (25-30 marks)
Mendelian inheritance (Laws, exceptions)
DNA replication, Transcription, Translation
Recombinant DNA technology (PCR, Vectors)

Ecology (20-25 marks)
Ecosystem (Energy flow, Pyramids)
Biodiversity & Conservation (Hotspots, IUCN)

Cell Biology (15-20 marks)
Cell cycle, Mitosis/Meiosis
Biomolecules (Proteins, Enzymes)

Morphology & Anatomy (10-15 marks)
Root/Stem/Leaf modifications
Tissue systems (Xylem, Phloem)

Zoology (High Weightage Topics)

Human Physiology (40-45 marks)
Digestion (Enzymes, GI tract)
Circulation (Heart, ECG, Blood groups)
Neural control (Reflex arc, Brain regions)
Reproduction (Menstrual cycle, Gametogenesis)

Genetics & Evolution (25-30 marks)
Molecular basis of inheritance (DNA, RNA)
Hardy-Weinberg principle
Evidences of evolution (Fossils, Analogous organs)

Animal Kingdom (15-20 marks)
Classification (Porifera to Chordata)
Comparative anatomy (Heart, Brain)

Microbes & Diseases (10-15 marks)
Pathogens (Bacteria, Viruses)
Immunity (Vaccines, AIDS)

Low-Weightage but Scoring Topics

Biotechnology:-
Gene therapy, GMOs
Plant Reproduction:-Pollination, Double fertilization
Environmental Issues:- Ozone depletion, Eutrophication

Recommended Books

NCERT (Class 11 & 12) – Absolute must (90% of NEET questions are NCERT-based).
Reference Books:-
Objective Biology (Dinesh) – For diagrams & practice.
Trueman’s Biology – For conceptual clarity.
GR Bathla’s (for diagrams) – Helps in visual learning.

Preparation Tips

✔NCERT First:-Read line-by-line (even tables, diagrams, footnotes).

✔ Diagrams Practice: Label all diagrams (e.g., Nephron, Heart).

✔ Mnemonics: Use for taxonomy (e.g., "Kings Play Chess On Fiber Glass Stools" for classification).

✔ Previous Year Papers (PYQs): Solve last 10 years’ NEET papers.

✔ Mock Tests: Take full-length tests weekly (time management).

NEET Biology Marks Distribution (Approx.)

TopicMarks
Human Physiology45-50
Genetics35-40
Plant Physiology30-35
Ecology20-25
Cell Biology15-20
Others10-15

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