Brick red colour in Benedict's test indicates percentage of sugar in urine

Options

A. Nil
B. 0.5
C. `1.0`
D. `2.0`

Answer

To answer the question regarding the significance of the brick red color in Benedict's test, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Benedict's Test**:
- Benedict's test is a qualitative test used to detect the presence of reducing sugars, such as glucose, in a solution (in this case, urine).

2. **Identify Color Indicators**:
- The color change in the test indicates the concentration of reducing sugars present:
- **Blue**: No reducing sugar (nil).
- **Green**: Low concentration (0.5%).
- **Yellow**: Moderate concentration (1%).
- **Brick Red**: High concentration (2% or more).

3. **Analyze the Given Color**:
- The question specifies that the color observed is brick red.

4. **Determine the Corresponding Percentage**:
- According to the color indicators, a brick red color indicates that the percentage of sugar in the urine is 2% or more.

5. **Choose the Correct Option**:
- From the options provided (nil, 0.5, 1.0, or 2.0), the brick red color corresponds to the option that indicates a percentage of 2.0% or more.

### Final Answer:
- The correct answer is **2.0%**.

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