Phosphate containing mineral is
A. Dolomite
B. Apatite
C. Marble
D. Pyrites
Answer: Option B
Solution (By Examveda Team)
Apatite is a phosphate-containing mineral, usually hydroxyapatite, fluorapatite, and chlorapatite. It is the association of the calcium ions that is responsible for the characteristic hexagonal crystal structure and morphology.The primary use of apatite is a source of phosphate in the manufacture of fertilizer and other industrial uses. It is occasionally used as a gemstone.
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B. S. graminicola (Sclerospora)
C. T. penicillica
D. All of the above
The criteria of essentiality of nutrients in plants was given by
A. D. J. Nicholas
B. Arnon and Stout
C. J. S. Kanwar
D. M. S. Swaminathan
A. Manganese
B. Boron
C. Zinc
D. Iron

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