The modern day washing powder have some biological content . Which of the following will be mostly added to the powder as biological content ?

Options

A. DNA ligase
B. lactase
C. Pectinase
D. lipase

Answer

To solve the question regarding the biological content added to modern-day washing powders, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks which biological content is commonly added to modern washing powders. This indicates that we are looking for enzymes that help in the cleaning process.

2. **Identifying Enzymes in Washing Powders**: Modern washing powders often contain enzymes because they enhance the cleaning efficiency. The most common enzymes used in biological washing powders are lipases and proteases.

3. **Function of Lipases**: Lipases are enzymes that break down fats and oils. They are particularly effective in removing greasy stains from clothes.

4. **Function of Proteases**: Proteases are enzymes that break down protein chains. They help in removing stains that are protein-based, such as blood or food stains.

5. **Evaluating the Options**: The question likely provides multiple-choice options. We need to evaluate each option to see which one corresponds to the enzymes used in washing powders:
- **Option 1: DNA ligase** - This enzyme is not used in washing powders.
- **Option 2: Lactase** - This enzyme breaks down lactose and is not relevant to cleaning.
- **Option 3: Pectinase** - This enzyme breaks down pectin and is not commonly used in laundry detergents.
- **Option 4: Lipase** - This is the correct answer as it is commonly added to washing powders for its ability to break down fats and oils.

6. **Conclusion**: Based on the evaluation of the options, the correct answer is that lipase is mostly added to modern washing powders as a biological content.

### Final Answer:
**Lipase** is the biological content mostly added to modern-day washing powders.

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