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Which biogenetic element is obtained from crystalline rocks?

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in Biology – Class 12 by (271k points)
Which biogenetic element is obtained from crystalline rocks?

(a) Argon

(b) Helium

(c) Phosphorous

(d) Magnesium

I had been asked this question in an online interview.

Question is taken from Ecosystem in section Ecosystem of Biology – Class 12

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The correct choice is (c) Phosphorous

For explanation: The crystalline, sedimentary rocks are known as the natural reservoir of phosphorous. They contain phosphorous in the form of phosphates known as phosphorite. It contains almost 4% to 20% of phosphate.

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