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The macronutrient described as important to the photosynthetic process is:

AMagnesium
BManganese
CMolybdenum
DMercury
Answer & Solution
Correct answer: A. Magnesium
1. It sits at the centre of the chlorophyll molecule. 2. Without it photosynthesis falters. 3. That element is magnesium. _Source: OpenStax Biology 2e, Chapter 31, Soil and Plant Nutrition._
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