Q4 of 360 Page 118

Mention differences between light microscope and electron microscope.

Light microscope	Electron microscope
In light microscope, visible light (sunlight, lamp light) is used as source of illumination	In electron microscope, electrons are used as source of illumination.
Low resolution Power.	High resolution Power.
Simple to use	High level of technical skill required
Lenses are made of glass	Lenses are made of electromagnets
Live or dead specimen may be seen.	Only dead and dried specimens can be seen.

Write down differences between organ and organelle.

Write down differences between nucleus and nucleoid.

Give a brief account of discovery of the cell.

Describe the proteins of plasma membrane.