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Showing posts with the label Brane Collision Theory

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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How Did the Universe Begin? Myths, Theories & Insights for UPSC Aspirants

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How Did the Universe Begin? | A Curious Walk Through  Time, Myths & Modern Science Have you ever looked up at the night sky, taken in the stars, and wondered— where did all this come from ? How did the Moon, the Sun, the planets, and the endless galaxies get here? What was there before everything? If you're a UPSC aspirant, you already know that curiosity is the seed of knowledge. So today, let’s walk through the fascinating story of the origin of the universe —from ancient myths to modern science.  A ncient Stories: How Our Ancestors Explained the Universe Before telescopes and satellites, our ancestors looked to the heavens and spun stories to make sense of the cosmos. Across cultures and civilizations, the beginning of the universe was imagined in wonderfully symbolic ways. Let’s look at a few: Babylonian Mythology : The universe began when the god Marduk slew the primordial sea monster Tiamat and used her body to form the sky and the Earth. Greek Philosoph...
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