Which biogenetic element is obtained from crystalline rocks?

Category: QuestionsWhich biogenetic element is obtained from crystalline rocks?
Editor">Editor Staff asked 4 months ago

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

1 Answers
Editor">Editor Staff answered 4 months ago

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.