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Zinc as a nutrient is used by the plants...

Zinc as a nutrient is used by the plants in the form of

A

`Zn`

B

`Zn^(2+)`

C

`ZnO`

D

`ZnSO_(4)`

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Zinc's Role in Plants**: Zinc is an essential micronutrient for plants. It plays a crucial role in various physiological processes, including the production of chlorophyll, which is vital for photosynthesis. 2. **Zinc Deficiency Symptoms**: When there is a deficiency of zinc in the soil, plants exhibit symptoms such as leaf discoloration and stunted growth. This indicates that zinc is critical for healthy plant development. 3. **Micronutrient Classification**: Zinc is classified as a micronutrient because it is required by plants in very small quantities, even though it is essential for their growth and development. 4. **Zinc Concentration in Plants**: Adequate zinc concentration in plant leaves typically ranges from 20 to 100 mg per kg for most crops. This range indicates the amount of zinc that plants need to thrive. 5. **Functions of Zinc**: Apart from chlorophyll production, zinc is involved in the conversion of starches to sugars and helps plants withstand cold temperatures. It also plays a role in the biosynthesis of auxins, which are important plant hormones. 6. **Form of Zinc Taken Up by Plants**: Plants primarily absorb zinc in the ionic form, specifically as Zn²⁺. This is the form that is utilized for various biochemical processes within the plant. 7. **Conclusion**: Based on the information provided, the correct answer to the question regarding the form in which zinc is used by plants is Zn²⁺. **Final Answer**: Zinc as a nutrient is used by plants in the form of Zn²⁺. ---
**Step-by-Step Solution:** 1. **Understanding Zinc's Role in Plants**: Zinc is an essential micronutrient for plants. It plays a crucial role in various physiological processes, including the production of chlorophyll, which is vital for photosynthesis. 2. **Zinc Deficiency Symptoms**: When there is a deficiency of zinc in the soil, plants exhibit symptoms such as leaf discoloration and stunted growth. This indicates that zinc is critical for healthy plant development. 3. **Micronutrient Classification**: Zinc is classified as a micronutrient because it is required by plants in very small quantities, even though it is essential for their growth and development. ...
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