Q: Depending on the requirements, plant nutrients are classified as micronutrients and macronutrients. Which one of the following is an example of a macronutrient?
(a)Manganese
(b)Copper
(c)Magnesium
(d)Chlorine
Correct Answer: (c)
The correct answer is (c) 'Magnesium'. This question from the Geography domain tests knowledge of Economic & Mineral Geography.