Which is employed for artificial ripening of banana fruits?

Options

A. Auxin
B. Cumarin
C. Ethylene
D. Cytokinin

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the substance used for the artificial ripening of banana fruits.

2. **Identifying the Options**: The options typically include various plant hormones or substances. In this case, we need to determine which one is specifically used for ripening bananas.

3. **Analyzing the Options**:
- **Auxin**: While it plays a role in various growth processes, it is not primarily responsible for fruit ripening.
- **Cytokinin**: This hormone is involved in cell division and growth but does not directly induce ripening.
- **Ethylene**: This is a gaseous plant hormone known to promote ripening in fruits.

4. **Conclusion**: Ethylene is the correct answer as it is widely recognized for its role in the ripening of fruits, including bananas. It is often applied in the form of ethyphon, which releases ethylene gas when applied to the fruit.

5. **Final Answer**: The substance employed for artificial ripening of banana fruits is **Ethylene**.

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