Question 33
Photosynthesis and Plant NutritionWhich of the these elements is required by plants in small quantities only?
- A.Boron
- B.Nitrogen
- C.Phosphorus
- D.Magnesium
- E.Potassium
Show the answer and explanation
Answer: A (Boron)
Explanation
Boron is a trace (micro) element; nitrogen, phosphorus, magnesium and potassium are needed in large amounts.