NCERT DIAGRAMS YOU MUST PRACTICE FOR NEET 2026
chapter-wise list of NCERT diagrams you MUST practice for NEET Biology:
𧬠CLASS 11 – VERY IMPORTANT DIAGRAMS
πΏ Plant Kingdom
✔ Structure of Chlamydomonas
✔ Volvox colony
✔ Spirogyra filament
✔ Rhizopus (bread mould)
✔ Moss sporophyte
✔ Fern life cycle (alternation of generations)
✔ Cycas / Pinus ovule
✔ Angiosperm life cycle
πΈ Morphology of Flowering Plants
✔ Parts of a flower (L.S. & T.S.)
✔ Aestivation types
✔ Placentation types (marginal, axile, parietal, basal, free-central)
✔ Types of inflorescence
✔ Leaf venation & phyllotaxy
✔ Modifications of root, stem, leaf
NEET often asks to identify modification from diagram.
π± Anatomy of Flowering Plants
✔ T.S. of dicot root
✔ T.S. of monocot root
✔ T.S. of dicot stem
✔ T.S. of monocot stem
✔ T.S. of dicot leaf
✔ T.S. of monocot leaf
✔ Vascular bundle types
✔ Stomatal apparatus
Very common question type:
“Identify the labelled tissue.”
π§« Cell – The Unit of Life
✔ Plant cell vs Animal cell
✔ Mitochondria structure
✔ Chloroplast structure
✔ Nucleus
✔ Endoplasmic Reticulum
✔ Golgi apparatus
Functions of labelled parts are frequently asked.
π¬ Cell Division
✔ Stages of mitosis
✔ Stages of meiosis I & II
Especially:
Crossing over
Tetrad formation
πΏ Photosynthesis
✔ Chloroplast internal structure
✔ Z-scheme of light reaction
✔ C3 cycle (Calvin cycle)
✔ C4 pathway (Hatch-Slack)
π¬ Respiration in Plants
✔ Mitochondria (again very important)
✔ Electron Transport Chain
✔ Krebs Cycle
π§ Plant Transport
✔ Ascent of sap setup
✔ Transpiration pull diagram
✔ Stomatal opening & closing
π§ Neural Control & Coordination
✔ Structure of neuron
✔ Reflex arc
✔ Human brain (labelled)
✔ Eye structure
✔ Ear structure
❤️ Body Fluids & Circulation
✔ Human heart (internal structure)
✔ Cardiac cycle diagram
✔ ECG waves
π¬ Breathing & Exchange of Gases
✔ Human respiratory system
✔ Alveolus structure
✔ Oxygen dissociation curve
π½ Digestion & Absorption
✔ Human digestive system
✔ Villus structure
π§ͺ Excretory Products
✔ Nephron structure
✔ Juxtaglomerular apparatus
𧬠Locomotion & Movement
✔ Sarcomere structure
✔ Sliding filament model
𧬠CLASS 12 – SUPER HIGH-YIELD DIAGRAMS
πΈ Sexual Reproduction in Flowering Plants
π₯ VERY FREQUENTLY ASKED
✔ Structure of anther
✔ Microsporogenesis
✔ Pollen grain (2-celled & 3-celled stage)
✔ Structure of ovule
✔ Embryo sac (7-celled, 8-nucleate)
✔ Double fertilization
✔ Dicot embryo
✔ Monocot embryo
πΆ Human Reproduction
✔ Male reproductive system
✔ Female reproductive system
✔ Spermatogenesis
✔ Oogenesis
✔ Menstrual cycle graph
𧬠Molecular Basis of Inheritance
π₯ MOST IMPORTANT UNIT
✔ DNA structure
✔ DNA packaging
✔ DNA replication fork
✔ Transcription unit
✔ tRNA structure
✔ Genetic code wheel
✔ Lac operon
𧬠Biotechnology
✔ Restriction enzyme action
✔ Plasmid vector (pBR322)
✔ Steps of PCR
✔ Agarose gel electrophoresis
π Ecology
✔ Energy flow in ecosystem
✔ Pyramid of number/biomass/energy
✔ Carbon cycle
✔ Nitrogen cycle
✔ Ecological succession
π― HOW TO PRACTICE DIAGRAMS PROPERLY
Don’t just look — actively practice:
✅ Redraw diagrams yourself
✅ Label without seeing book
✅ Write function of each labelled part
✅ Practice MCQs based on diagrams
π Golden Rule
If a diagram is in NCERT → NEET can ask it
Sometimes the exact same figure appears in the question paper.
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