Question

1. Why are some fruits sweet and some sour, whereas others have no specific taste?

Answer 1

It depends on the proportions of such compound like fructose, acids, vitamins, starch, proteins and cellulose found in the fruits. They each have different amounts of these compounds.

More fructose = sweet.
More acid = sour.

Answer 2

http://www.bukisa.com/articles/121780_why-are-fruits-sweet-and-sour :)

Answer 3

Actually, the taste of a fruit depends on the compounds present in it. Normally a fruit contains the materials like cellulose, proteins, starch, vitamins, certain acids, fructose or sugar. All these materials are found in mixed form inside the fruit and they have different proportions in different fruits. Fruits of sweet taste have more fructose in them whereas the fruits of sour taste have more acids in them

Answer 4

b/c of there area of the fruit grout lace of vitamin or some thing