Milk sugar is commoly known as

Options

A. Maltose
B. Lactose
C. Fructose
D. Glucose

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks for the common name of "milk sugar." We need to identify the scientific term that corresponds to this.

2. **Identifying Milk Sugar:**
Milk contains a sugar that is specifically found in its composition. This sugar is a disaccharide, which means it is made up of two monosaccharides.

3. **Recognizing the Disaccharide:**
The disaccharide present in milk is composed of glucose and galactose. When these two monosaccharides combine, they form lactose.

4. **Conclusion:**
Therefore, the common name for milk sugar is **lactose**.

5. **Additional Information:**
Lactose has a specific structure that includes a pyranose ring and is broken down in the body by an enzyme called lactase.

**Final Answer:**
Milk sugar is commonly known as **lactose**.

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