Fructose is a sweet carbohydrate found in fruits.
Sugar.
Yes
fruits are carbohydrate and protein vegetables are lipids
Cellulose
There are carbohydrates in all fruit. However, some fruits are much higher in carbs than other are. For the carbohydrates in fruit, and a fruit carbohydrate chart, see the page link, further down this page, listed under Related Questions.
Low carbohydrate foods tend to be higher in other nutritional groups such as proteins or fats. Some examples of low carbohydrate food are, meat (chicken, beef, etc.), eggs, dairy (milk, cheese) and fish.
Starch is itself a type of carbohydrate coming under the category of insoluble.
Far less refined (processed) carbohydrate is better for health. That type of carbohydrate is a major cause of weight gain, obesity, and many diet related diseases. The best type of carbohydrate comes from fresh vegetables and fruit. Fresh vegetables and fruits are not refined/processed carbohydrates.
Cellulose is the main carbohydrate found the cell walls of plants.
Sucrose
Sucrose
It's called Glucose.