Persistent calyx is attached to the berry fruit of

Options

A. onion
B. Brinjal
C. Guava
D. Pineapple

Answer

To solve the question regarding which fruit has a persistent calyx attached to it, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Persistent Calyx**:
- A persistent calyx refers to the condition where the calyx (the outer part of a flower, composed of sepals) remains attached to the fruit even after it has matured.

2. **Identify the Fruits Listed**:
- The fruits mentioned in the question are onion, brinjal, guava, and pineapple.

3. **Determine the Botanical Families of Each Fruit**:
- **Onion**: Belongs to the Amaryllidaceae family.
- **Brinjal (Eggplant)**: Belongs to the Solanaceae family.
- **Guava**: Belongs to the Myrtaceae family.
- **Pineapple**: Belongs to the Bromeliaceae family.

4. **Analyze the Characteristics of the Families**:
- The Solanaceae family is known for having a persistent calyx in its fruits. This family includes plants like brinjal, tomato, and potato.

5. **Match the Fruits with Their Families**:
- Since the question asks for the fruit with a persistent calyx, we focus on the brinjal, which is part of the Solanaceae family.

6. **Conclude the Answer**:
- The fruit that has a persistent calyx is **brinjal**.

### Final Answer:
The persistent calyx is attached to the berry fruit of **brinjal**.

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