Which is correct

Options

A. Sporopollenin is made up of inorganic materials
B. Sporopollenin can withstand high temperature as well as strong acids and alkalies
C. Sporopollenin can withstand high temperatures but not strong acids
D. Sporopollenin can be degeraded by enzymes.

Answer

To determine which statement about sporopolynin is correct, we can analyze the provided statements step by step.

### Step-by-Step Solution:

1. **Understanding Sporopolynin**:
- Sporopolynin is a component of the outermost layer of pollen grains, known as the exine. It is recognized for its resistance to various environmental factors.

2. **Analyzing the Statements**:
- **Statement 1**: "Sporopolynin is made up of inorganic materials."
- This statement is **incorrect**. Sporopolynin is composed of organic materials, specifically fatty acids, phenols, and carotenoids.

- **Statement 2**: "Sporopolynin can withstand high temperatures as well as strong acids and alkalis."
- This statement is **correct**. Sporopolynin is known for its ability to resist extreme temperatures and various chemical environments, including strong acids and alkalis.

- **Statement 3**: "Sporopolynin can withstand high temperatures but not strong acids."
- This statement is **incorrect**. As established, sporopolynin can withstand both high temperatures and strong acids.

- **Statement 4**: "Sporopolynin can be degraded by enzymes."
- This statement is **incorrect**. Sporopolynin is resistant to degradation by enzymes and microbial activity.

3. **Conclusion**:
- The only correct statement regarding sporopolynin is **Statement 2**: "Sporopolynin can withstand high temperatures as well as strong acids and alkalis."

### Final Answer:
The correct statement is **Statement 2**.

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