Multiple choice

Consider the following nutrients regarding the development of plants:

  1. Copper 2. Magnesium
  2. Molybdenum 4. Sulphur Which of these are micronutrients?

  1. 1 and 4

  2. 2 and 3

  3. 1 and 3

  4. 2 and 4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In plant nutrition, elements required in small amounts (less than 10 mg/kg dry matter) are classified as micronutrients. Copper (Cu) and Molybdenum (Mo) are essential micronutrients needed for enzyme function and nitrogen metabolism respectively. Magnesium (Mg) and Sulphur (S) are macronutrients required in larger quantities - Mg is central to chlorophyll, and S is crucial for protein synthesis.

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