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  • Mineral Nutrition (Class - XI)
  • Which of the following elements has not been proved to be...
Multiple choice

Which of the following elements has not been proved to be essential for plants?

  1. Nitrogen

  2. Sodium

  3. Zinc

  4. Potassium

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sodium is not generally regarded as an essential nutrient for plants. However, sodium can substitute for potassium to a greater or lesser extent in different plant species.

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