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Cell – The Basic Unit of Life | Functions, Organelles & MCQs

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🧬Cell – The Basic Unit of Life A cell is the smallest structural and functional unit of life . It is the building block of all living organisms, carrying out essential processes like growth, energy production, and reproduction. For competitive exams like NEET , UPSC, SSC, and State PSCs, understanding the structure and functions of the cell is important because it forms the foundation of biology. Questions are frequently asked on cell theory , organelles , plant vs. animal cells, and cell division , making this topic a high-scoring and must-prepare section . 🕵🏻‍♂️Discovery of Cell The discovery of the cell was a turning point in biology, and many scientists contributed step by step to our understanding. In 1665, Robert Hooke observed thin slices of cork under a simple microscope and saw small box-like structures. He called them “cells” because they looked like the tiny rooms (cells) in a monastery. In 1674, Anton van Leeuwenhoek developed a better microscope and was ...
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Exploring Earth's Interior: Structure, Layers, through animation

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  Introduction Have you ever wondered what lies deep beneath your feet? From the solid crust we stand on to the fiery core that powers our planet’s magnetic field, the interior of the Earth holds secrets that shape everything around us. Understanding what’s beneath the surface is more than just satisfying curiosity—it’s key to unraveling the mysteries of our planet’s past, present, and future. In this blog, we’ll explore what makes Earth’s interior so fascinating, how it affects our daily lives, and why it’s a window into the evolution of not just our own world, but the entire solar system. Importance of Studying the Earth’s Interior Helps us understand physical features on Earth’s surface —like mountains, valleys, and earthquakes. Reveals the evolution of life through fossils embedded in rock strata, forming the basis for the geological timescale developed in the 19th century. Guides us in exploring and extracting valuable minerals and energy resources , supporting mod...
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