Multiple choice

The metal present in chlorophyll is

  1. Na

  2. Mg

  3. Ca

  4. Sr

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

Chlorophyll, the green pigment responsible for photosynthesis in plants, contains a magnesium ion (Mg²+) at the center of its porphyrin ring structure. This central Mg is crucial for chlorophyll's ability to absorb light energy.