Which one of the following statements is correct

Options

A. A sterile pistil is called a staminode
B. The seed in grasses Is not endospermic
C. Mango is a parthenocarpic fruit
D. A proteinaceous alcurone layer is preset in maize grain

Answer

To determine which statement is correct, let's analyze each option step by step:

1. **Understanding the terms**:
- A sterile fistle is called a staminode.
- Staminodes are indeed sterile stamens, meaning they do not produce pollen or male gametes.
- However, the term "fistle" seems to be a typographical error and should be "fistule." The correct term for a sterile fistle is "staminode."
- Therefore, this statement is incorrect.

2. **Seeds in grasses**:
- The statement claims that seeds in grasses are not endospermic.
- In reality, seeds of grasses (like maize) are endospermic, meaning they retain the endosperm even after the seed is mature.
- Thus, this statement is also incorrect.

3. **Mango and parthenocarpy**:
- The statement suggests that mango is parthenocarpic.
- Parthenocarpy refers to the development of fruit without fertilization, leading to seedless fruits.
- However, mangoes are typically produced through sexual reproduction and are classified as drupe fruits.
- Therefore, this statement is also incorrect.

4. **Alluron layer in maize grain**:
- The final statement mentions that a proteinaceous alluron layer is present in maize grain.
- This is true; maize grains (as monocots) have an alluron layer that is rich in proteins and provides nutrition to the developing seed.
- Hence, this statement is correct.

**Conclusion**: The correct statement is that a proteinaceous alluron layer is present in maize grain.