The outer most layer of endosperm of Maize grain is called

Options

A. Scutellum
B. Perisperm
C. Aleurone layer
D. Tunica

Answer

To answer the question about the outermost layer of the endosperm of maize grain, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Structure of Maize Grain**:
- Maize grain is a type of seed that belongs to the monocot group of flowering plants. It has a specific structure that includes various layers.

2. **Identifying the Relevant Terms**:
- The question provides four options:
- Skewtelum
- Parisperm
- Allurone layer
- Tunica

3. **Analyzing Each Option**:
- **Skewtelum**: This term refers to a modified cotyledon found in monocots. It is not related to the endosperm layer, so this option is incorrect.
- **Parisperm**: This is a term that refers to a layer associated with the seed but is not the outer layer of the endosperm. Thus, this option is also incorrect.
- **Allurone Layer**: This is the outermost layer of the endosperm in maize grain. It serves as a storage layer for proteins and is indeed the correct answer.
- **Tunica**: This term generally refers to a layer of cells in the plant's meristem and is not related to the endosperm, making this option incorrect.

4. **Conclusion**:
- After evaluating all the options, the correct answer to the question is the **Allurone layer**, as it is the outermost layer of the endosperm in maize grain.

### Final Answer:
The outermost layer of the endosperm of maize grain is called the **Allurone layer**.

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