Which of the following sugars is a hexose type?

The number of water molecules used for the hydrolysis of lactose is ......... .

Which sugars are present in sugarcane juice?

Match the following columns correctly and select the correct option:

Column-$I$	Column-$II$
$(1)$ $C_n(H_2O)_m$	$(a)$ Monosaccharide
$(2)$ $C_n(H_2O)_{n-1}$	$(b)$ Polysaccharide
$(3)$ $C_n(H_2O)_n$	$(c)$ Carbohydrate
$(4)$ $n(C_5H_{10}O_5)$	$(d)$ Disaccharide

Identify the pentose sugar.

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch $(1-5)$ make it useful as a storage material?
$(1)$ Easily translocated
$(2)$ Chemically non-reactive
$(3)$ Easily digested by animals
$(4)$ Osmotically inactive
$(5)$ Synthesized during photosynthesis
The useful properties are: