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Unilorin Post-UTME Agricultural Science 2024 (Model questions) Question 8

Question 8

Soil Fertility and Plant Nutrition

Which of the following elements is a micronutrient required by plants?

  1. A.zinc
  2. B.magnesium
  3. C.Phosphorus
  4. D.calcium
Show the answer and explanation

Answer: A (zinc)

Explanation

Zinc is needed only in tiny amounts, so it is a micronutrient; magnesium, phosphorus and calcium are macronutrients.