Biology
Grade-10
Easy
Question
All the following elements are present in chlorophyll except
- Potassium
- Nitrogen
- Carbon
- Magnesium
Hint:
Potassium
The correct answer is: Potassium
chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure known as porphyrin ring; attached to the ring is a long carbon-hydrogen side chain, known as a phytol chain.
But no potassium is present.
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