Microorganisms: Friend And Foe | NCERT Solution | Class VIII

Q.1. Fill in the blanks: a. Microorganisms can be seen with the help of a ____________. b. Blue green algae…

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Cell Organelles | Class VIII/IX

A small organ-like structure present inside the cell is called a cell organelle. It has a particular structural makeup and…

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Important points of Physical and Chemical Changes | Class VI, VII and IX

1. A physical change is a temporary one which changes the physical appearance of a substance without changing its chemical…

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