Multiple choice

Which one of the following is a component of chlorophyll?

  1. Iron

  2. Manganese

  3. Magnesium

  4. Calcium

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Chlorophyll contains magnesium at its center, which is essential for photosynthesis. The magnesium ion helps absorb light energy. Iron is found in hemoglobin, not chlorophyll. Manganese is a micronutrient for plants but not part of chlorophyll. Calcium is important for cell walls but not a chlorophyll component.

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