The deficiency of which element may cause leaf tip bending?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which element's deficiency can lead to leaf tip bending in plants.

2. **Identifying Symptoms of Deficiency**: It is important to recognize the symptoms associated with nutrient deficiencies in plants. In this case, we need to focus on the symptoms that relate to leaf tip bending.

3. **Researching Nutrient Functions**: Calcium is a vital nutrient for plants, playing a key role in cell wall structure and stability. It is essential for proper growth and development, particularly in rapidly growing tissues.

...