CBSE CLASS 9 Biology

Timestamps: 0:00 Introduction 0:46 Discovery of Cell 2:47 Evolution of Cell Theory 3:31 Cell Theory 4:48 Classification of Organisms based on number of cells 5:12 Unicellular Organisms 8:24 Multicellular organisms 10:07 What is a Cell made up of? 11:30 Plasma membrane 13:34 Plasma membrane: Diffusion 14:26 Plasma membrane: Osmosis 18:07 Plasma Membrane: Structure 18:44 Lipids 20:20 Plasma membrane: Lipid bilayerstructure 21:53 Plasma membrane: Function 23:16 Cell Wall 24:55 Cell Wall: Function 26:17 Cell Wall vs. Cell Membrane 26:53 Nuclues 27:27 Eukaryotic vs .Prokaryotic cells 28:56 Nucleus: Structure 31:33 Nucleus: Significance 33:04 Cytoplasm 33:55 Cytoplasm: Significance 36:14 Cell Organelles 37:00 Endoplasmic Reticulum 37:58 RER&SER 38:52 ER: Significance 39:59 Golgi apparatus 41:04 Golgi apparatus: Significance 41:36 Lysosomes 42:08 Lysosomes: Significance 43:19 Mitochondria 43:50 Mitochondria: Structure 46:00 Mitochondria: Significance 46:40 Plastids 46:58 Plastids: Types 48:28 Chloroplasts: Structure 50:05 Plastids: Significance 50:35 Vacuoles 52:13 Vacuoles: Significance 53:37 Plant vs. Animal cell LearnoHub.com (formerly called ExamFear Education) is a Free Education platform with more than 6000 videos on Physics, Chemistry, Maths, Biology, English, Science experiments, tips &tricks and motivational videos for Classes 6 to 12. Learn for Free! Website: Facebook: Instagram: Join our Telegram Group: LearnoHub - 12: Join our Telegram Group: LearnoHub - 11: Join our Telegram Group: LearnoHub - 6 to 10: About the Founder: Roshni Mukherjee, the Founder-Educator at LearnoHub has been building this free learning platform since 2011. She has been recognized as one of the 100 Women Achievers of India by the Ministry of Women & Child Development and felicitated by the President of India in 2016. Roshni has been invited by Google to speak at Global Education Symposium 2017 held at Google Headquarters, California. Limca Book of Records also recognized our work. Watch Roshni's Tedx Talk to know more about her journey: •Themagicpassioncancreate|RoshniMukh... #LearnoHubScience#SabkoSamajhAayega #FREEhaiParBESThai #CBSEClass9Science Join us and let us together build this Free Learning Platform! We will surely ensure that you enjoy the real learning with us. Copyright © All rights reserved. LearnoHub | ExamFear Education"