McqMate
| Q. |
Chlorophyll contains – |
| A. | Iron |
| B. | Magnesium |
| C. | Cobalt |
| D. | Zinc |
| Answer» B. Magnesium | |
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Explanation: Chlorophyll molecule contains a magnesium ion. Green plants are dependent on chlorophyll for photosynthesis, and magnesium is required for chlorophyll production. |
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