Identify the wrong statement regarding post fertilisation development

Options

A. the ovary wall develops into pericarp
B. the outer integument of ovule develops into tegman
C. the fusion nucleus (triple nucleus) develops into endosperm
D. the ovule develops into seed

Answer

To solve the question regarding the wrong statement about post-fertilization development, let's analyze each option step by step.

### Step-by-Step Solution:

1. **Understanding Post-Fertilization Development**:
Post-fertilization development refers to the changes that occur after fertilization in flowering plants, leading to the formation of seeds and fruits.

2. **Analyzing Each Option**:
- **Option A**: "The ovary wall develops into pericarp."
- This statement is **correct**. After fertilization, the ovary wall indeed develops into the pericarp, which is the part of the fruit that surrounds the seeds.

- **Option B**: "The outer integument of ovule develops into tegmen."
- This statement is **incorrect**. The outer integument of the ovule actually develops into the testa, not the tegmen. The tegmen is formed from the inner integument.

- **Option C**: "The fusion nucleus or the triple nucleus develops into endosperm."
- This statement is **correct**. The fusion nucleus (or triple fusion nucleus) does develop into the endosperm, which provides nourishment to the developing embryo.

- **Option D**: "The ovule develops into seed."
- This statement is **correct**. After fertilization, the ovule indeed develops into a seed.

3. **Identifying the Wrong Statement**:
Based on the analysis, the wrong statement regarding post-fertilization development is **Option B**: "The outer integument of ovule develops into tegmen."

### Final Answer:
The wrong statement regarding post-fertilization development is **Option B**.

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