General Knowledge quiz 63

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120
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What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Correct! Wrong!

Who among the following invented the Steel Converter?

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Who is often called the 'first African-American' inventor?

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In which decade was the transistor invented?

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In which decade was the telegraph invented?

Correct! Wrong!

Gasoline powered automobile was invented by?

Correct! Wrong!

Who invented Electric Generator?

Correct! Wrong!

Who invented Bifocal Lens?

Correct! Wrong!

General Knowledge quiz 63
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