Effect of pollen on the size of fruits is found in and is called as

Options

A. Maize, Metaxenia effect
B. Maize, Xenia effect
C. Date palm, Xenia effect
D. Date palm, Metaxenia effect

Answer

To answer the question regarding the effect of pollen on the size of fruits, we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the effect of pollen on the size of fruits and what this phenomenon is called.

2. **Identifying the Concept**: The effect of pollen on fruit characteristics, including size, is a specific phenomenon in plant biology. This concept is known as "Metazenia."

3. **Recognizing the Plants Involved**: Not all plants exhibit this effect. Among the plants known to show the effect of pollen on fruit characteristics, the date palm is a notable example.

4. **Evaluating the Options**: Given the options provided in the question, we need to identify which plant is associated with the Metazenia effect. In this case, the date palm is recognized for this effect.

5. **Conclusion**: Therefore, the effect of pollen on the size of fruits is found in the date palm and is called the Metazenia effect.

### Final Answer:
The effect of pollen on the size of fruits is found in the date palm and is called the Metazenia effect.

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