A characteristic feature of some fruit ripening is sudden increase in respiration. It is known as

Options

A. Climacteric
B. Anthesis
C. Climatic
D. Photorespiration

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about a characteristic feature of some fruits during ripening, specifically a sudden increase in respiration.

2. **Identifying the Process**: During the ripening of certain fruits, there is a notable increase in cellular respiration. This process is crucial for the ripening of fruits.

3. **Role of Ethylene**: Along with the increase in respiration, there is also an increase in the production of ethylene gas, which is a plant hormone that plays a significant role in the ripening process.

4. **Classifying the Fruits**: Fruits that exhibit this sudden increase in respiration and ethylene production are classified as climacteric fruits. This classification is important as it indicates that these fruits will continue to ripen after being harvested.

5. **Final Stage of Ripening**: The climacteric stage is considered the final stage in the ripening of these fruits, where the peak of respiration and ethylene production occurs.

6. **Choosing the Correct Option**: Based on the information provided, the correct answer to the question is "climacteric fruits."

### Final Answer:
The characteristic feature of some fruit ripening that involves a sudden increase in respiration is known as **climacteric**.

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