Multiple choice

Which of the following elements is essential for root growth?

  1. Zn

  2. Ca

  3. Mo

  4. S
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Calcium is essential for root growth as it promotes cell elongation and division in root meristems. It strengthens cell walls and membranes, enabling roots to elongate properly. Zinc is important for enzyme function but not specifically for root growth, while molybdenum and sulfur have other primary roles in plant metabolism.

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