“General Science” is the highest scoring as well as the most challenging section for all competitive exams. In this section, you will find important notes on three main subjects of General Science: Physics, Chemistry, Biology, etc.
You can Browse the Subject- wise General Science Notes here:
A lever is a simple machine that helps us do work more easily by multiplying force. It plays a crucial role in everyday tools like scissors, pliers, seesaws, and even our body movements. Understanding levers is essential for students from Class 6–12, as it is frequently covered in NCERT Science, Physics basics, and competitive exams … Read more
If you’re preparing for SSC, RRB NTPC, UPSC, or state-level exams, you must have come across this question: “Why is the ribosome called the protein factory?” In this post, we’ll break it down in simple words, just like how a 6th-grade student would understand — yet with enough depth to help you in competitive exams. … Read more
◾Sebaceous glands are small, oil-producing exocrine glands present in the skin. ◾ They are usually attached to hair follicles and secrete sebum, an oily substance. 🔹 Key Term: Sebum – An oily secretion that lubricates skin and hair. Functions ◾Lubrication: Keeps skin and hair soft and prevents dryness. ◾Waterproofing: Forms a protective barrier to reduce … Read more
◾ Exocrine glands are glands that release their secretions onto a body surface (like skin) or into a body cavity through ducts. ◾These secretions include enzymes, sweat, saliva, mucus, and other substances. 🧩 Memory Tip:Exo = Exit ➝ Secretion exits through ducts. Functions of Exocrine Glands ◾Digestion: Enzymes secreted help break down food (e.g., salivary, … Read more
The liver is one of the most important organs in our body. It is big, reddish-brown, and sits on the right side of our belly. The liver helps clean our blood, store energy, and digest food. In this blog, we will learn about the liver’s parts (anatomy), how it works (functions), and common liver diseases. … Read more
The human arm skeleton is a very important topic in General Science and Biology for exams like SSC, Banking, RRB NTPC, UPSC, and many state-level exams. Our arm helps us do many daily activities like writing, lifting, and throwing. But have you ever wondered how it works? It is all because of the strong bones … Read more
The lower limb, or the leg, is made up of strong bones that help us stand, walk, run, and jump. In this blog post, we will learn about the major bones of the lower limb, based on the NCERT syllabus. Knowing these bones is very important for competitive exams like SSC, Banking, RRB NTPC, UPSC, … Read more
The human vertebral column, also called the backbone or spine, is a very important part of our body. It helps us stand straight, bend, and move easily. Without it, our body would be floppy like a jellyfish! In this blog post, we will explain the human vertebral column in a very simple way. This topic … Read more
Plants need food to grow, just like us! But instead of eating with their mouths, they absorb special nutrients from the soil. These nutrients help plants grow tall, make green leaves, form flowers, and produce fruits. In this NCERT-based note, we’ll learn about the macronutrients (needed in large amounts) and micronutrients (needed in small amounts) … Read more
Understanding the role of nutrients in plant growth is just as important as knowing the ingredients in a recipe. Just like we need carbohydrates, proteins, and fats to grow and stay healthy, plants also need certain nutrients. These are called plant nutrients, and they are divided into macronutrients and micronutrients. This blog post will focus … Read more
Micronutrients may be needed in small amounts, but they play a big role in healthy plant growth and development. These essential elements—such as iron, zinc, manganese, copper, boron, molybdenum, chlorine, and nickel—support critical functions like enzyme activation, photosynthesis, and nutrient balance. Without them, plants can suffer from stunted growth, poor yield, and visible deficiency symptoms. … Read more
Understanding how plants grow is very important, especially for exams like SSC, RRB NTPC, UPSC, and state-level tests. One key topic is essential nutrients—the building blocks that help plants live, grow, and produce food. Let’s explore which nutrients plants get from water and soil, and how these help in their growth. What Are Nutrients? Nutrients … Read more
Just like humans need food to grow strong and stay healthy, plants also need special nutrients to grow, make food, and stay green. These important plant nutrients come from the soil, air, and water. Without them, plants can’t grow well or make fruits and flowers. Scientists have found that there are 17 essential nutrients that … Read more
Understanding science doesn’t have to be hard! Today, we’ll break down a very important biology topic — Cytokinesis — in a way that’s easy and fun to learn. This concept is often asked in exams like SSC, RRB NTPC, UPSC, and state-level exams, especially under general science or biology sections. Let’s break it down in … Read more
Understanding how cells divide is very important in biology — especially if you’re preparing for competitive exams. One of the final stages of cell division is called Telophase. Whether it’s Mitosis (simple cell division) or Meiosis (division to form sex cells), Telophase plays a big role in wrapping things up. Let’s break it down in … Read more
The M Phase or Mitotic Phase is the most exciting part of the cell cycle. It’s the stage where one cell becomes two new cells! This process is very important in General Science and is often asked in competitive exams like SSC, Banking, RRB NTPC, UPSC, and State-level exams. In the M Phase, the cell’s … Read more
Chromosomes are like tiny books inside every cell of our body. These special books carry all the instructions that tell our body how to grow, look, and work. Just like a recipe tells you how to cook, chromosomes tell your body how to make eyes, skin, hair, and more! They are made of DNA and … Read more
Anaphase is a very important step in how cells divide and make new cells. It happens during two types of cell division – mitosis and meiosis. In this stage, the chromosomes, which carry our DNA, are pulled apart and move to opposite sides of the cell. This helps make sure that each new cell gets … Read more
Prophase is the first step of mitosis, a process where cells divide to make new cells. In this stage, the cell gets ready to split. It is an important topic in Biology, especially for competitive exams like SSC, Banking, RRB NTPC, UPSC, and other state-level exams. Learning about prophase helps you understand how living things … Read more
Metaphase is a very important stage of cell division that helps cells grow and make new ones. In this stage, chromosomes line up in the center of the cell. Understanding metaphase is useful for science topics in exams like SSC, Banking, RRB NTPC, UPSC, and State-level tests. This complete summary of metaphase explains its key … Read more
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