In mineral absorption ,
(i) There is rapid uptake of ions into free space in its first phase.
(ii) Initial uptake of mineral is passive
(iii) Entry or exit of ions to and from inner space does not require energy.

Options

A. I,ii and iii correct
B. ii and iii correct
C. I and ii correct
D. I and iii correct

Answer

### Step-by-Step Solution:

1. **Understanding Mineral Absorption**:
- Mineral absorption in plants occurs in two main phases: the initial phase and the metabolic phase.

2. **Initial Phase of Mineral Absorption**:
- In the initial phase, there is a rapid uptake of ions into the free space, which refers to the outer or intracellular space of the cell wall. This phase is characterized by the quick movement of ions from the soil into the plant.

3. **Passive Uptake of Minerals**:
- The uptake of minerals during the initial phase is described as passive. This means that the process does not require energy expenditure from the plant. Instead, ions move along their concentration gradient, which is a natural process.

4. **Energy Requirement for Ion Movement**:
- The entry or exit of ions to and from the inner space of the plant cells does not require energy. This is consistent with the passive nature of the initial uptake phase, where ions can freely move into the outer space without the need for ATP or other energy sources.

5. **Conclusion**:
- All three statements provided in the question are correct. The rapid uptake of ions into the free space, the passive nature of this uptake, and the lack of energy requirement for ion movement are all accurate descriptions of the initial phase of mineral absorption in plants.

### Final Answer:
All statements (i), (ii), and (iii) regarding mineral absorption are correct.

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