NEET Biology Notes PDF 2027 | Class 11 & 12

📥 NEET Biology Chapter 1 PDF Is PDF me kya hai: 1. Flower - Sexual Reproductive Organ 2. Microsporogenesis - Formation of Pollen Grains 3. Megasporogenesis - Embryo Sac Formation 4. Double Fertilization 5. Post Fertilization - Seed, Fruit, Apomixis 6. 5 Important NEET PYQ Download PDF Now ⬇️ Download more free NEET PDF: neetbiologynotes.in

Hello friend 👋 NEET Biology Chapter 21: Neural Control and Coordination Free Detailed Notes 📚 Brain + Neuron + Reflex + Disorders PDF + MCQs ### *Chapter 21: Neural Control and Coordination* ### *1. Neural System in Humans* *Functions*: Point-to-point coordination, Fast, Voluntary + Involuntary actions *2 Parts:* 1. *Central Neural System CNS*: Brain + Spinal Cord 2. *Peripheral Neural System PNS*: All nerves of body *PNS is further divided:* - *Somatic Neural System SNS*: Voluntary. Transmits impulses from CNS to skeletal muscles - *Autonomic Neural System ANS*: Involuntary. Controls visceral organs       - *Sympathetic*: Fight & Flight      - *Parasympathetic*: Rest & Digest - *Visceral Neural System*: Part of ANS. Inner organs ### *2. Neuron - Structural & Functional Unit of Neural System* *Parts of Neuron:* 1. *Cell body / Cyton*: Contains nucleus, Nissl's granules. Protein synthesis 2. *Dendrites*: Short branches. Receive impulses 3....

Hello friend 👋 Free NEET Notes for Chapter 20: Locomotion and Movement 🔥 ✅ 3 Types of Muscles ✅ Sliding Filament Theory  ✅ 206 Bones + Types of Joints ✅ NEET High Yield Points + Disorders Share with your NEET friends ❤️ ### *1. Types of Movement in Animals* 1. *Amoeboid Movement*: By pseudopodia. Ex: Amoeba, Macrophages, WBCs. Uses actin microfilaments 2. *Ciliary Movement*: By cilia. Ex: Paramecium, lining of trachea, oviduct 3. *Flagellar Movement*: By flagella. Ex: Sperm, Euglena, Chlamydomonas 4. *Muscular Movement*: By skeletal muscles. Most advanced. Helps in locomotion ### *2. Human Muscular System - 3 Types* Feature Skeletal Muscle Smooth Muscle Cardiac Muscle **Location** Attached to bones Hollow organs, blood vessels Heart wall only **Control** Voluntary Involuntary Involuntary **Striations** Present Absent Present **Shape** Cylindrical, unbranched Spindle shaped Branched **Nuclei** Multinucleated, peripheral Uninucleated, central Uninucleated, central **Intercalated di...

*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 17: Breathing and Exchange of Gases with you all. Nose se leke Alveoli tak - Full NCERT + PYQ + Google se Hatke Tricks!  3-4 Questions fix aate hain NEET me is chapter se 🔥 Jo coaching me bhi nahi milta wo yaha hai = All Respiratory Volumes + Gas Transport + Bohr & Haldane Effect + Disorders Hope it helps you crack NEET 2027! 📚 Save for revision & Share with other droppers 💯 #NEET2027 #NEETDropper #BreathingAndExchangeOfGases #RespiratorySystem #GasTransport #BohrEffect #NCERTBiology #BiologyNotes ### *1. RESPIRATION = BREATHING + GASEOUS EXCHANGE + CELLULAR RESPIRATION* Respiration = Catabolic process = Glucose + O2 → CO2 + H2O + ATP Types: A. External Respiration = Breathing = Exchange in lungs B. Internal Respiration = Tissue level = Exchange in cells C. Cellular Respiration = ATP formation in mitochondria Respiratory Organs in Animals: Porifera = Diffusion, Earthworm = Skin,...

Chapter 1: The Living World 🧬 SET-2: 40 More NEET PYQ Style MCQs Q1. Which of the following is not a characteristic of living organisms? (A) Growth (B) Reproduction (C) Metabolism (D) Crystallization 👉 Show Answer Answer: (D) Crystallization Q2. Who is known as the 'Father of Taxonomy'? [NEET 2020] (A) Aristotle (B) Linnaeus (C) Theophrastus (D) A.P. de Candolle 👉 Show Answer Answer: (B) Linnaeus Q3. In botanical nomenclature, the suffix '-aceae' is used for? (A) Order (B) Family (C) Genus (D) Class 👉 Show Answer Answer: (B) Family Q4. Which one of the following animals is correctly matched with its particular taxonomic category? [AIPMT 2011] (A) Humans - Primata, Family (B) Hou...