The inorganic essential elements which are obtained from the soil are called as

Options

A. mineral elements
B. non-mineral elements
C. non-essential elements
D. both b and c

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe inorganic essential elements that plants obtain from the soil.

2. **Identifying Inorganic Essential Elements**: Inorganic essential elements are minerals that plants need for their growth and development. These include elements like potassium, sodium, calcium, phosphorus, sulfur, iron, zinc, molybdenum, and boron.

3. **Defining Essential Elements**: Essential elements are those that are:
- **Directly involved in plant growth**: They play a crucial role in various physiological processes.
- **Specific and non-replaceable**: No other element can substitute for the specific function of an essential element.
- **Involved in plant metabolism**: They participate directly in the metabolic processes of the plant.

4. **Conclusion**: Based on the definitions and characteristics discussed, the inorganic essential elements that are obtained from the soil are referred to as **mineral elements**.

**Final Answer**: The inorganic essential elements which are obtained from the soil are called **mineral elements**.

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