Minerals are absorbed in the form of

Options

A. (a) molecules
B. (b) ions
C. (c) compounds
D. (d) mixtures

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks in what form minerals are absorbed by plants from the soil.

2. **Identifying the Options**: The given options are:
- A) Molecules
- B) Ions
- C) Compounds
- D) Mixtures

3. **Defining Minerals**: Minerals in the context of plant nutrition refer to inorganic substances that are essential for plant growth. They are usually present in the soil.

4. **Form of Absorption**: Plants absorb minerals primarily in the form of ions. For example, essential minerals like magnesium (Mg²⁺), calcium (Ca²⁺), and potassium (K⁺) exist as charged particles (ions) in the soil.

5. **Mechanism of Absorption**: The absorption of these mineral ions occurs mainly through the root hairs, which are specialized structures that increase the surface area for absorption.

6. **Transport Mechanisms**: The absorption of ions can occur through:
- **Passive Transport**: This does not require energy and occurs along the concentration gradient.
- **Active Transport**: This requires energy (ATP) to move ions against their concentration gradient.

7. **Conclusion**: Based on the information gathered, the correct answer to the question is that minerals are absorbed in the form of ions.

8. **Final Statement**: Hence, the correct answer is option B, ions. Minerals are absorbed in the form of ions from the soil by the root hairs.

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