The single cell of unicellular organisms performs all the basic functions performed by a variety of cells in multi cellular organisms.Some organisms are single-celled, while others contain large number of cells.Some cells are big enough to be seen with the unaided eye.Number of cells also varies from organism to organism.

Cells exhibit variety of shapes and sizes.Cells were first observed in cork by Robert Hooke in 1665.The smallest living part of an organism is a ‘cell’. Organs are made of still smaller parts.All organisms are made of smaller parts called organs.Revision notes in exam days is one of the best tips recommended by teachers during exam days.ĭownload Revision Notes as PDF CBSE Class 8 Revision Notes Science Cell-Structure and FunctionsĬell: The smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane. The revision notes help you revise the whole chapter 8 in minutes. These are the Cell-Structure and Functions class 8 Notes prepared by team of expert teachers. Download revision notes for Cell-Structure and Functions class 8 Notes and score high in exams. Class 8 Science notes Chapter 8 Cell-Structure and Functionsĭownload CBSE class 8th revision notes for chapter 8 Cell-Structure and Functions in PDF format for free. Class 8 Science notes on chapter 8 Cell-Structure and Functions Science are also available for download in CBSE Guide website.

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