Can a fruit light a light bulb and why?

Possibly

As you may already know, batteries are a way of powering different electrical items. Many batteries contain acids, this is not because the makers of batteries are trying to prevent you from prying...

First, get a zinc electrode and a copper electrode. You can use a zinc coated nail and a penny. Put both of them into the fruit. You might need lots of fruit. Attach them together, copper to zinc,...

yes, you can power a light bulb using fruit. You must use a type of fruit. It has to be citrus.

The lemon