Which one of the following is a true fruit ?

Options

A. Apple
B. Strawberry
C. Cashew nut
D. None of these

Answer

To determine which of the following is a true fruit, we need to understand the definitions and characteristics of true fruits and false fruits.

### Step-by-Step Solution:

1. **Understand the Definitions**:
- **True Fruit**: A true fruit is formed solely from the ovary of a flower after fertilization. It does not involve any other floral parts in its formation.
- **False Fruit**: A false fruit (or accessory fruit) is formed from the ovary along with other parts of the flower, such as the thalamus or receptacle.

2. **Identify Examples**:
- **True Fruits**: Examples include tomatoes, guavas, cherries, and peaches.
- **False Fruits**: Examples include strawberries, apples, and cashew nuts.

3. **Analyze the Given Options**:
- If the options provided include fruits like apple, strawberry, or cashew nut, these are false fruits because they involve the thalamus in their formation.
- If the options include fruits like tomato or guava, these are true fruits as they are formed solely from the ovary.

4. **Conclusion**:
- If the question provides options that do not include any true fruits (like tomato or guava), then the answer would be that none of the options represent a true fruit.

5. **Final Answer**:
- Based on the analysis, if the options are apple, strawberry, and cashew nut, the correct answer is **Option D: None of these**.