Dahlia starch is used for

Options

A. Study of digestive anzymes
B. Study of kidney function
C. Preparation of noodle
D. Manufacture of chocolates.

Answer

### Step-by-Step Solution

1. **Understanding Dahlia Starch**:
- Dahlia starch is a type of polysaccharide known as fructan.
- Fructans are polymers made up of fructose molecules and serve as food storage for plants.

2. **Source of Dahlia Starch**:
- This starch is primarily found in the roots of the Dahlia flower.
- It is also present in other plants like onions and garlic.

3. **Metabolism of Dahlia Starch**:
- Dahlia starch is not metabolized by the human body, meaning it does not get broken down and utilized for energy like other carbohydrates.

4. **Uses of Dahlia Starch**:
- Given its properties, Dahlia starch is primarily used in the study of kidney function.
- It is not used for digestive enzyme studies, noodle preparation, or chocolate manufacturing.

5. **Identifying the Correct Option**:
- From the options provided:
1. Study of digestive enzymes - Incorrect
2. Study of kidney function - Correct
3. Preparation of noodles - Incorrect
4. Manufacture of chocolates - Incorrect
- Therefore, the correct answer is the second option: "study of kidney function."