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B, CI and Ni are:...

B, CI and Ni are:

A

The most essential elements

B

Macronutrients

C

Trace elements

D

Present in plant tissues in very large amounts

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Elements**: The question asks about Boron (B), Chlorine (Cl), and Nickel (Ni). 2. **Classify the Nutrients**: These elements need to be classified based on their role in plant nutrition. 3. **Understanding Micronutrients**: Boron, Chlorine, and Nickel are known to be micronutrients. Micronutrients are essential elements that plants require in smaller quantities compared to macronutrients. 4. **Evaluate the Options**: - **Most Essential Elements**: This option is incorrect because while these elements are important, they are not classified as the most essential elements when compared to others like nitrogen, phosphorus, and potassium. - **Macronutrient**: This option is also incorrect as macronutrients are required in larger amounts and include elements like nitrogen, phosphorus, and potassium. - **Trace Elements**: This option is correct. Trace elements are those that are required in very small amounts, which applies to Boron, Chlorine, and Nickel. - **Present in Plant Tissue in Very Large Amounts**: This option is incorrect because these elements are not present in large amounts; they are indeed required in trace amounts. 5. **Conclusion**: Based on the classification and evaluation of the options, the correct answer is that Boron, Chlorine, and Nickel are trace elements. **Final Answer**: B, Cl, and Ni are trace elements. ---
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