Easy Notes & Concepts for Competitive Exams
“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:
In Physics, it’s important to understand how materials behave. This behavior depends on the number of tiny particles, like electrons, protons, and neutrons, in their atoms. Elements that have the same number of protons and electrons but a different number of neutrons are called isotopes. Some isotopes occur naturally, while others are made by humans. … Read more
Radioactive carbon, particularly carbon-14, is an isotope of carbon that undergoes radioactive decay. This isotope is essential in various scientific fields due to its unique properties and applications. Importance of Studying Radioactive Carbon Studying radioactive carbon, especially carbon-14 is very important for several reasons: Applications in Various Fields Radioactive carbon, especially carbon-14, has many important … Read more
Ever wondered how plants manage to convert sunlight into the food we eat? The magic lies in photosynthesis, a process that different plants perform in unique ways. In this article, we’ll dive deep into the world of C3 plants, understanding their significance, how they work, and why they matter. Understanding Photosynthesis Basics of Photosynthesis Photosynthesis … Read more
Welcome to our exploration of Ribulose Bisphosphate (RuBP). It’s a key topic in the world of General Science and Biology Notes. If you’re preparing for competitive exams like SSC, UPSC, CDS, NDA, RAILWAY, RRB, NTPC, or any State Level exams, understanding RuBP can be a valuable addition to your knowledge base. Ribulose Bisphosphate, commonly known … Read more
Stomata are tiny openings on the surfaces of leaves and stems that play a crucial role in plant physiology. These small pores might seem insignificant, but they are vital for the survival and health of plants. So, what exactly are stomata, and why are they so important? What Are Stomata? Stomata are microscopic pores found … Read more
Discover a comprehensive list of all important metals and their ores. Learn about the properties of metals, later we also discussed the uses and extraction methods of each metal. In this resource, we have compiled a list of important metals and their corresponding ores, along with their chemical formulas. This information can be a valuable … Read more
Ever notice how some fruits, like oranges, have a sharp, tangy taste, while others, like potatoes, seem plain? The answer lies in the fascinating world of acids present in fruits and vegetables! These acids contribute to the explosion of flavours we enjoy and play a crucial role in the plant’s biological processes. Understanding these acids … Read more
Understanding the fundamental principles of physics is crucial for comprehending the world around us. One such principle is the law of inertia, a concept that plays a significant role in both everyday life and scientific exploration. This article delves into the law of inertia, its types, historical background, interesting facts, and practical examples. Definition of … Read more
The cell is the basic building block of life. Inside, a cell has various parts that help it function properly. Each part has a special job. Our body has different types of cells like muscle cells and nerve cells. Even though they have different shapes and functions, all cells share the same basic parts. In … Read more
Have you ever wondered how our bodies move and stay supported? The answer lies in the amazing human skeletal system! This complex network of bones is more than just a rigid structure; it plays a vital role in our health and is a common topic for general science sections in competitive exams like SSC, Banking, … Read more
Nutrients are essential elements in our food, including carbohydrates, vitamins, minerals, fats, and others. These components are vital for the survival of living organisms. While plants synthesize their food, animals, and humans rely on plants and animals directly or indirectly for their nutritional requirements. What is Nutrition? Ever wonder how food fuels your body and … Read more
Imagine your body as an orchestra, with countless instruments playing in harmony. The conductor, ensuring everything flows smoothly? That’s your nervous system! This intricate network of nerves and specialized cells is like the body’s electrical wiring, constantly buzzing with messages that control everything from the flutter of your heartbeat to the spark of a creative … Read more
Symbol Na Atomic Number 11 Atomic Mass 22.990 Discovered by Sodium was discovered by Humphry Davy Physical Properties of Sodium Chemical Properties of Sodium Group 1 Melting point 97.794°C, 208.029°F, 370.944 K Period 3 Boiling point 882.940°C, 1621.292°F, 1156.090 K Block s Density (g cm−3) 0.97 Atomic number 11 Relative atomic mass 22.990 State … Read more
Basic Overview of Iron Iron Symbol Fe Iron Atomic Number 26 Iron Atomic Mass 55.85 g.mol -1 Discovered by The Ancients Chemical Properties Of Iron Group 8 Melting point 1536 °C Period 4 Boiling point 2861 °C Block d Density (g cm−3) 7.8 g.cm-3 at 20°C Atomic number 26 Relative atomic mass 55.845 State at 20°C … Read more
Quick Facts about Magnesium Symbol Mg Atomic Number 12 Atomic Mass 24.305 Discovered by Magnesium was discovered by Joseph Black Chemical Properties of Magnesium Group 2 Melting point 650°C, 1202°F, 923 K Period 3 Boiling point 1090°C, 1994°F, 1363 K Block s Density (g cm−3) 1.74 Atomic number 12 Relative atomic mass 24.305 State at … Read more
The reason water feels hard is because of the dissolved bicarbonates, chlorides, and sulfates of calcium and magnesium. If water doesn’t create a lather with soap, it’s considered hard water. Water stands as the most vital substance crucial for sustaining life on Earth. It exists in oceans, rivers, ponds, lakes, glaciers, and more. Rainwater is … Read more
Water, a fundamental resource for life, plays a crucial role in various industrial and domestic processes. However, not all water is created equal, and many regions around the world experience what is known as “temporary hardness.” In this blog post, we will explore the causes of temporary hardness in water, shedding light on the chemistry … Read more
Welcome, dear aspirants! As you venture on your journey to conquer competitive exams such as SSC, UPSC, Railway, and all other state PSCs, we bring you a comprehensive guide on a fascinating topic – Types of Pigment in Plants. This topic, a crucial part of General Science, is not just about memorizing facts. It’s about … Read more
Uncover the secrets of the human immune system with our comprehensive notes, featuring detailed explanations, diagrams, and insights into immunity, lymphocytes, and antibodies. The immune system acts as our body’s strong defense mechanism. It works against invading microorganisms to maintain our health. Immunology, a branch of biology, explores the intricate functions of the immune system. … Read more
Today, let’s explore Isotopes of hydrogen, the lightest and most widespread element in the universe. Despite its simplicity, hydrogen has some hidden mysteries, particularly the presence of isotopes. What are Isotopes? What are the 3 isotopes of hydrogen? Hydrogen has three isotopes: protium (1H), deuterium (2H or D), and tritium (3H or T). These isotopes … Read more