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🌍 1.1 Diversity in the Living World If you look around, you will see many different types of living organisms—plants, animals, insects, and even microorganisms that are invisible to the naked eye. The world is home to millions of species, and scientists estimate that 1.7 to 1.8 million species have already been identified! 🌿🐦🐠 🔬 … Read more
Our body performs countless functions simultaneously—digesting food, transmitting nerve signals, pumping blood, circulating nutrients, synthesizing proteins, and filtering waste—all of which are made possible by the cell, the basic unit of life. Each cell functions like a miniature factory, equipped with specialized structures known as organelles, each responsible for a specific task. These organelles ensure … Read more
An ecosystem is a functional unit of nature where living organisms interact among themselves and with their physical environment. Overview of an Ecosystem Types of Ecosystems Ecosystems vary in size and can be broadly classified into: Structure of an Ecosystem To understand ecosystem functioning, we analyze its structure, which includes: Interrelationships in an Ecosystem Ecosystems … Read more
The value of acceleration due to gravity, represented by ‘g,’ is a fundamental concept in physics that plays a crucial role in various scientific applications. However, it is not a constant value across the Earth’s surface; it varies based on several factors such as altitude, latitude, and the Earth’s rotation. In this post, we will … Read more
Science is a vast field that encompasses various disciplines, each dedicated to studying specific aspects of the natural and physical world. From exploring celestial bodies to understanding microscopic organisms, science plays a crucial role in shaping our knowledge of the universe. Different branches of science focus on different domains, helping us make advancements in medicine, … Read more
Flowering plants are an essential part of our world. These plants are unique because they produce flowers, which are the plant’s reproductive organs. Whether you see them in gardens, forests, or even urban areas, flowering plants play a significant role in nature. But have you ever wondered about the parts of these plants and how … Read more
What is Photosynthesis? Importance of Photosynthesis in Nature Photosynthesis is critically important in nature for several reasons: Oxygen Production Foundation of the Food Chain Carbon Dioxide Regulation Energy Flow in Ecosystems Soil Health and Nutrient Cycling Biodiversity Support Climate Regulation View this post on Instagram A post shared by gkbooks (@gkbooks_official) The Science Behind Photosynthesis … Read more
The human brain is a complex organ that controls all bodily functions, from movement and sensation to memory and emotion. It is divided into four main lobes: the frontal, responsible for reasoning and movement; the parietal, which processes sensory information; the temporal, involved in hearing and memory; and the occipital, dedicated to visual processing. Together, … Read more
This article explores the structure and function of stomata, their role in plant physiology, and how they adapt to environmental changes. Understanding stomata gives insights into plant health, agricultural productivity, and ecosystem sustainability. Stomata in a nutshell What is Stomata? View this post on Instagram A post shared by gkbooks (@gkbooks_official) Structure of Stomata Stomata … Read more
A circuit in Physics is a closed loop or path that allows electrons to flow, creating an electric current. The basic components of a circuit include a power source (like a battery), conducting wires, a switch, and a device like a light bulb. There are many types of circuits, such as: Each type of circuit … Read more
Salivary glands are organs in the mouth that produce saliva, which helps in digestion, keeps the mouth moist, and protects teeth from bacteria. They play a vital role in swallowing, tasting food, and maintaining oral health. Questions about salivary glands often appear in competitive exams like RRB NTPC. Topics include the types of salivary glands, … Read more
The human digestive system plays a vital role in breaking down the food we eat into nutrients that our body needs to function. It is a complex process that involves multiple organs working together to digest food and absorb essential nutrients like carbohydrates, proteins, fats, vitamins, and minerals. Understanding the parts and functions of the … Read more
Eukaryotic cells are the building blocks of complex organisms, including plants, animals, and fungi. Understanding their structure and characteristics is crucial for students preparing for competitive exams like SSC. In this blog post, we will break down the key features of eukaryotic cells, their components, and how they function, making it easier for you to … Read more
Vitamins and Their Functions Sources and Deficiency Chart is a crucial topic in the General Science section of most competitive exams. Understanding the different vitamins, their sources, chemical names, solubility, and the diseases caused due to their deficiency is essential for any aspiring candidate. In the chart below, we have provided a comprehensive overview of … Read more
General Science is a crucial subject for competitive exams such as RRB NTPC, ALP, SSC, CDS, and UPSC. This post will give an overview of General Science’s Work, Power, and Energy chapter. We have provided detailed notes on the different types of work Done, definitions, dimensions, and formulas. Introduction In our daily life, we often … Read more
General Science is an important subject in many competitive exams, like SSC CGL, RRB NTPC, CDS, and UPSC. One topic in physics that often appears in these exams is Ray Optics, especially Total Internal Reflection. This topic is important, and you can expect 2-3 questions on it in exams. In this guide, we will explain … Read more
The Optical instruments list is part of the chapter on ray optics. It is an important topic in general science. In this article, we provide all the major optical instruments with the previous year’s questions asked in SSC. Also, we include frequently asked questions and answers that are very important for various competitive exams like … Read more
The Structure of the Human Skeletal System forms the framework of the body, providing support, protection, and movement. It consists of bones, joints, and cartilage, all working together to maintain posture and safeguard vital organs. This complex network of bones is more than just a rigid structure; it plays a vital role in our health … Read more
Hello, students! 😊Today, we are learning about Natural Killer Cells (NKCs). These are a special type of White Blood Cells (WBCs), which help protect our body by fighting harmful cells, like virus-infected cells and even cancer cells.If you are preparing for competitive exams, this is an important topic to know. We will explain it in … Read more
White blood cells are part of the immune system that helps protect your body from infections. They move through your blood and tissues to fight off germs or harmful organisms that might cause illness or injury. What are White Blood Cells? White blood cells, or leukocytes, are a crucial part of the composition of blood … Read more
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