Botany Sir Himansu | NEET Botany Notes & Visual Learning

Microorganisms (or microbes) are living organisms around us that are so incredibly small that they cannot be seen with the naked human eye. They can only be observed clearly through a specialized scientific instrument called a microscope. Human Disease Causative Microorganism Mode of Transmission Preventive Measures Tuberculosis Bacteria Air Isolate the patient; maintain personal hygiene; vaccination at suitable age. Measles / Polio Virus Air / Water Cholera / Typhoid Bacteria Water / Food Drink boiled drinking water; consume properly cooked food. Malaria Protozoa Mosquito (Vector) Use mosquito nets/repellents; do not allow water to stagnate nearby. Microorganisms are omnipresent—they exist almost ever...

Hey NEET Aspirants 👋 Do you ever feel confused between auxins, gibberellins, and cytokinins? Don’t worry — today we’ll make Plant Growth and Development super easy for you! 🌿 This is one of those chapters where NEET loves to test your concepts + NCERT lines + logic. So, let’s decode this chapter together in the simplest way possible — NEET-style! --- 🌿 1️⃣ What is Plant Growth? Plant Growth = Increase in size, mass, and number of cells. Simple na? But the magic is in how plants manage this growth. 🌱 Unlike animals, plants grow throughout life because of special dividing tissues called Meristems. These meristems keep producing new cells at specific locations. 🪴 Three types of growth: 1. Primary Growth – increase in length (apical meristem) 2. Secondary Growth – increase in girth (lateral meristem) 3. Intercalary Growth – growth at nodes (seen in grasses) --- 🌱 2️⃣ Phases of Growth – The 3 Golden Steps You must have seen the famous S-shaped growth curve in NCERT...