Natural polymer amongst the following is

Options

A. Cellulose
B. Kodel
C. Nylon
D. Terylene

Answer

To determine which of the following is a natural polymer, we need to analyze the options provided and identify their sources and structures.

### Step-by-Step Solution:

1. **Understanding Natural Polymers**:
- Natural polymers are substances that are derived from natural sources, such as plants and animals. They are made up of repeating units (monomers) that occur naturally.

2. **Identifying the Options**:
- Let's consider the options given (though not explicitly listed in the question, we can assume common examples such as cellulose, nylon, polyester, and proteins).

3. **Analyzing Cellulose**:
- Cellulose is a polymer made from beta-glucose monomers. It is found in the cell walls of green plants and trees. Since it is derived from natural sources, cellulose is classified as a natural polymer.

4. **Examining Other Polymers**:
- **Nylon**: This is a synthetic polymer made from the polymerization of monomers like 6-amino caproic acid. It is man-made and does not occur naturally.
- **Terylene (Polyester)**: This is another synthetic polymer made from terephthalic acid and ethylene glycol. It is also man-made.
- **Proteins**: While proteins are natural polymers, they are not typically listed among common examples in basic polymer questions, but they are derived from amino acids.

5. **Conclusion**:
- Among the options analyzed, cellulose is the only natural polymer. Therefore, the answer to the question is that cellulose is the natural polymer.

### Final Answer:
The natural polymer among the options is **Cellulose**.

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