NEET Biology Notes PDF 2027 | Class 11 & 12

Hello friend 👋 NEET Biology Chapter 22: Chemical Coordination and Integration Free Detailed Notes 📚 Pituitary + Thyroid + Adrenal + Pancreas + Hormones PDF + Diagrams + MCQs Want it? DM me ❤️  ### *1. Endocrine System* *Endocrine Glands*: Ductless glands. Secrete *hormones* directly into blood   *Exocrine Glands*: Have ducts. Ex: Salivary, Sweat, Digestive glands   *Mixed Glands*: Both endocrine + exocrine. Ex: Pancreas, Gonads *Hormones*: Chemical messengers. Produced in trace amounts. Regulate metabolism ### *2. Human Endocrine System - Major Glands* #### *A. Pituitary Gland / Hypophysis* *Location*: Below hypothalamus. Attached by stalk   *Divided into 3 parts:* *1. Anterior Pituitary / Adenohypophysis* - *Growth Hormone GH / Somatotropin*: Growth of bones & tissues. Excess → Gigantism. Deficiency → Dwarfism - *Prolactin PRL*: Milk synthesis in mammary glands - *TSH*: Stimulates thyroid gland - *ACTH*: Stimulates adrenal cortex - *Gonadotropin...

*Hello Friends 👋 Today we will study Chapter 19 of Class 11 NCERT Biology: *Excretory Products and their Elimination* These notes are specially made for NEET aspirants. You’ll get detailed + short notes here. Read till the end and don’t forget to save these notes for revision 📚 Let’s get started... Chapter 19: Excretory Products and their Elimination - Class 11 NCERT*   _Detailed Short Notes for NEET - Expanded Version_ ### *1. EXCRETION* *Definition*: Removal of nitrogenous wastes and other toxic metabolic by-products from the body. *Why needed?*  To maintain *homeostasis* - constant internal environment for proper functioning of enzymes and cells. *Mode of excretion depends on*: Habitat, water availability, and evolutionary adaptation. --- ### *2. EXCRETORY PRODUCTS* Based on main nitrogenous waste Product Example Animals Toxicity Water Needed Solubility **Ammonia** Aquatic animals, bony fishes, tadpole Most toxic Very high Highly soluble **Urea** Mammals, amphibians,...

Hello friend 🌸 Just wanted to say you're amazing 💛 Keep smiling and keep shining  Chapter 18: Body Fluids and Circulation - Class 11 NCERT*   _Detailed Short Notes for NEET_ ### *1. BODY FLUIDS* Body fluids are responsible for transport of nutrients, O2, CO2, waste, hormones etc. *3 main types:* 1. *Blood* - Red, circulates in blood vessels 2. *Lymph* - Colorless, circulates in lymphatic system   3. *Interstitial fluid* - Fills gap between cells --- ### *2. BLOOD* Blood is a *specialized fluid connective tissue*.   *Volume*: 5-5.5L in adult. *pH*: 7.4 #### *A. PLASMA - 55%* - *90-92% Water* - *6-8% Proteins*:      - *Albumin* → Osmotic balance     - *Globulin* → Immunity, antibodies     - *Fibrinogen* → Blood clotting - *Other*: Glucose, amino acids, lipids, hormones, vitamins, Na+, K+, Ca++, HCO3-, Cl- - *Functions*: Transport, defense, clotting, maintaining body temp #### *B. FORMED ELEMENTS - 45%* *1. Erythrocyte...

Hello Friends 👋 As a NEET Dropper, I'm sharing my complete notes of Chapter 15: Plant Growth and Development with you all. Sigmoid Curve se leke 5 PGR tak - Full NCERT + PYQ + Google se Hatke Tricks!  2-3 Questions fix aate hain NEET me is chapter se 🔥 Jo coaching me bhi nahi milta wo yaha hai = Auxin ka Avena Test + GA ka Bakane Disease + Cytokinin ka Richmond-Lang + Ethylene Triple Response + ABA Stress Hormone Hope it helps you crack NEET 2027! 📚 Save for revision & Share with other droppers 💯 #NEET2027 #NEETDropper #PlantGrowthAndDevelopment #Auxin #Gibberellin #Cytokinin #Ethylene #ABA #Photoperiodism #Vernalization #NCERTBiology #BiologyNotes --- ### *1. GROWTH KYA HAI* `Definition Line` Definition = Irreversible Permanent Increase in Size, Volume, Weight, Dry Mass Features = Measurable + Quantitative + Accompanied by Metabolism Plant Growth = Indeterminate = Due to Meristems = Apical, Intercalary, Lateral Open Growth = New Cells Added Throughout Life = Leaves, Flower...

Hello Friends, As a NEET Dropper, I'm sharing my complete short notes of Chapter 2: Biological Classification with you all. Hope it helps you crack NEET 2027! 📚🔥 Save for revision & Share with other aspirants 💯*NEET 2027: Chapter 2 Biological Classification - Complete Short Notes* 🦠   _Class 11 Biology | NCERT + PYQ Hotspots | 3-4Q Fix Aate Hain_   ---   ### *1. Systems of Classification*   1. *Two Kingdom*: Linnaeus. Plantae & Animalia. _Problem_: Bacteria, Fungi, Euglena not fitted.   2. *Five Kingdom*: R.H. Whittaker 1969. Basis = Cell structure, Thallus org, Mode of nutrition, Reproduction, Phylogenetic relationships. **Kingdom** **Cell Type** **Cell Wall** **Nutrition** **Body Org** **Examples** **Monera** Prokaryotic Peptidoglycan Auto/Hetero Unicellular Bacteria, Cyanobacteria **Protista** Eukaryotic Present in some Auto/Hetero Unicellular Amoeba, Paramecium, Euglena **Fungi** Eukaryotic Chitin Heterotrophic, Absorptiv...

Hello friends, Class 11 Biology Chapter 1 The Living World ke complete notes, definitions aur NEET 2027 ke important MCQ yahan milenge.NEET 2027: Chapter 1 The Living World - Short Notes* 🧬   _Class 11 Biology | NCERT + PYQ   ### *1. What is Living?*   - *Life*: Cannot be defined by single property. Living organisms show defining features.   - *Defining Properties of Living Organisms* `NEET Gold` **Property** **Living** **Non-Living** **Exception** **Growth** Intrinsic, ↑ in mass & number Extrinsic, material added on surface Mountains, sand mounds grow **Reproduction** Produces progeny No reproduction Mules, sterile worker bees, infertile humans can't reproduce **Metabolism** Sum of all chemical reactions Absent Cell-free systems show metabolism **Cellular Organization** Made of cells No cellular org - **Consciousness** Respond to stimuli No response Plants respond to light, water *NEET Trap*: Growth, reproduction are NOT defining properties....

*NEET 2027: Chapter 13 Biodiversity and Conservation - Detailed Short Notes* 🌍   _Class 12 Biology | NCERT Line-by-Line + PYQ  4Q Tak Aa Sakte Hain_   ### *1. Biodiversity - Concept & Levels*   - *Term*: Edward Wilson = Father of Biodiversity. Coined 'biodiversity'.   - *Definition*: Combined diversity at all levels of biological organization.   - *3 Levels with NEET Examples*: **Level** **Meaning** **NEET Example** **Genetic Diversity** Diversity within species due to genes 1. 50,000 rice varieties in India  2. 1,000 mango varieties  3. Rauwolfia vomitoria = Reserpine variation **Species Diversity** Diversity at species level Western Ghats amphibians > Eastern Ghats **Ecological Diversity** Diversity at ecosystem level India: Deserts, Rainforests, Mangroves, Coral reefs, Alpine meadows ### *2. Magnitude of Biodiversity*   - *Described Species*: 1.7-1.8 million. Robert May estimate: Global = 7 million spe...

NEET Dropper here! Dropping complete Chapter 11 Notes for all NEET 2027 Aspirants 🔥  ### *NEET 2027: Chapter 11 Organisms and Populations - Expanded Notes*   _Class 12 Biology | NCERT Line-by-Line + PYQ + Diagrams_   ### *1. Organism & Its Environment*   - *Ecology*: Term by Ernst Haeckel. Study of interactions among organisms & with abiotic environment.   - *Hierarchy*: Organism → Population → Community → Ecosystem → Biome → Biosphere.   - *Major Abiotic Factors*:       1. *Temperature*: Most ecologically relevant. Affects enzyme kinetics. Avg temp on land: 0-50°C.       2. *Water*: Life originated in water. Desert = <10cm rainfall. Productivity of ocean limited by light.       3. *Light*: Photosynthesis, foraging, migration, reproduction. UV = harmful.       4. *Soil*: Weathering of rocks. pH, minerals, topography decide vegetation. ...