$A$ molecule of disaccharide is formed by the formation of a glycosidic bond between which two sugars?

Carbohydrates are commonly stored as starch in plant storage organs. Which of the following five properties $(A-E)$ make starch useful as a storage material?
$(a)$ Easily translocated
$(b)$ Chemically non-reactive
$(c)$ Easily digested by animals
$(d)$ Osmotically inactive
$(e)$ Synthesized during photosynthesis
Useful properties:

Which of the following is a type of carbohydrate?

Identify the biological importance of carbohydrates from the following statements:
$1$. In the structure of cell wall.
$2$. As a food storage substance.
$3$. In protein synthesis.
$4$. As enzymes.
$5$. In the structure of $DNA$.

Which monosaccharide molecules are typically involved in the formation of disaccharides?

Glucose gives many reactions of aldehyde because: