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Questions and Answers
______ is the first to describe cells and bacteria. Though he did not use the word 'cell', he gave the name animalcules, meaning 'little animals'.
He
The lens in the eyepiece is originated from the 'Glass' invented by the Romans during First Century (AD) – Year 100. They discovered that the shape of the class helps to magnify an object from its original size. They make the glass thick in the middle and thin on the edges. They call this clear glass as ______.
Lens
The discovery of the lens caught the attention of the eyeglass makers brothers, Zacharias Janssen and Hans Janssen. They got a tube and put lenses on each end started observing objects. Since their invention uses two or more lenses, they are among the first inventors of the ______ microscope.
compound
He is the first to describe cells and bacteria. Though he did not use the word 'cell', he gave the name ______, meaning 'little animals'.
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______ is a Gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in t.
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