Microorganisms | Key Words | Class VIII

Microscope: An instrument that makes use of lens to make smaller objects appear larger is called a microscope. Specimen: The…


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Immunisation schedule

A particular vaccine is given at a particular age. This is called Immunisation Schedule. The table below shows which vaccines…

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Applications of Ultrasound | Sound | Class IX

Ultrasonic waves are used to establish ship-to-ship communication. Ultrasonic waves are used to determine the depth of a sea. It…

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