Which among the following is the simplest carbohydrate?

Identify the correct statement for sucrose.

Ribose is an example of .........

Which of the following are reducing sugars?
$(A)$ Sucrose,$(B)$ Maltose,$(C)$ Lactose,$(D)$ Fructose

Lactose is composed of which of the following?

$A$ disaccharide $X$ cannot be oxidised by bromine water. The acid hydrolysis of $X$ leads to a laevorotatory solution. The disaccharide $X$ is