Which of the following is not correct?

Options

A. hardness of seed coat is due to stone cells
B. stone cells are present in endocarp of coconut hard seed coats and fruit pulp
C. stone cells are not present in fruit pulp of pyrus
D. function of sclereids is storage of food

Answer

To solve the question "Which of the following is not correct?", we will analyze each option provided in the question based on the information from the transcript.

### Step-by-Step Solution:

1. **Understand the Options**: The question asks us to identify which statement about stone cells and their functions is incorrect.

2. **Analyze Option 1**:
- **Statement**: "Hardness of seed coat is due to stone cells."
- **Explanation**: Stone cells, also known as sclerids, are indeed responsible for the hardness of the seed coat due to their high lignin content. This statement is correct.

3. **Analyze Option 2**:
- **Statement**: "Stone cells are found in the outer layers of fruits."
- **Explanation**: The transcript states that stone cells are found in the outer layers of fruits and also in fruit pulp. This statement is correct.

4. **Analyze Option 3**:
- **Statement**: "Sclerids are present in the endocarp of coconut."
- **Explanation**: The transcript confirms that sclerids (stone cells) are present in the endocarp of coconut, contributing to its hardness. This statement is correct.

5. **Analyze Option 4**:
- **Statement**: "Sclerids function is storage of food."
- **Explanation**: The transcript explicitly states that the function of sclerids is to provide protection and support, not to store food. This statement is incorrect.

6. **Conclusion**: Based on the analysis, the statement that is not correct is Option 4: "Sclerids function is storage of food."

### Final Answer:
The statement that is not correct is: **Option 4: "Sclerids function is storage of food."**

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