As Single cotyledon of monocots is called Scutellum
R Monocots show secondary growth.

Options

A. If both As and R are correct and R is correct explanation of As
B. If both As and R are correct but R is not correct explanation of As
C. If As is correct, R is wrong
D. If both As and R are wrong.

Answer

To solve the question regarding the assertion and reason related to monocots, we will analyze both statements step by step.

### Step-by-Step Solution:

1. **Understanding the Assertion**:
- The assertion states that "the single cotyledon of monocots is called scutellum."
- In monocots, which are plants with one cotyledon (like grasses and lilies), the term "scutellum" specifically refers to this single cotyledon. This statement is **correct**.

2. **Understanding the Reason**:
- The reason states that "monocots show secondary growth."
- Secondary growth refers to the increase in girth of a plant, which is typically associated with the formation of secondary xylem and phloem due to the activity of the vascular cambium. However, monocots generally do not exhibit secondary growth because they lack a vascular cambium. Therefore, this statement is **incorrect**.

3. **Conclusion**:
- Since the assertion is correct and the reason is incorrect, the correct answer to the question is: **Assertion is correct, reason is wrong**.

### Final Answer:
The correct option is: **If assertion is correct, reason is wrong.**

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