Cotyledon of maize grain is called

Options

A. Scutellum
B. Plumule
C. Coleorhiza
D. Coleoptile

Answer

**Step-by-Step Solution:**

1. **Understanding the Structure of Maize Grain**:
- Maize grain is classified as a monocotyledonous (monocot) seed. This means it has one cotyledon.

2. **Identifying the Components of Maize Grain**:
- The maize grain consists of several parts: the outer layer known as the aleurone layer, the starchy endosperm, and the embryonal axis.

3. **Focusing on the Cotyledon**:
- In maize, the cotyledon is not a typical fleshy structure; instead, it is a thin, papery structure.

4. **Naming the Cotyledon**:
- The cotyledon of maize grain is specifically referred to as the "scutellum". This is the part that is responsible for the absorption of nutrients from the endosperm during germination.

5. **Eliminating Incorrect Options**:
- The other options provided (cutaner, primulene, pulverizer, polypyrite) do not correspond to the cotyledon of maize grain.
- The terms "poliorizer" and "polio type" refer to parts of the embryonal axis and their coverings, not the cotyledon itself.

6. **Conclusion**:
- Therefore, the correct answer to the question "Cotyledon of maize grain is called" is **scutellum**.

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