Which of the following form is absorbed for the requirement of Phosporus?

(1) Dihydrogen Phosphate, Hydrogen phosphate

(2) Phosphoric Acid

(3) Phosphorite

(4) Phosphic Acid

(1) Cell membrane

(2) Certain Proteins

(3) Nucleosides

(4) Nucleotides

(1) K+

(2) Cl-

(3) P

(4) N

(1) Maintain anion-cation balance in cells

(2) Involved in protein synthesis

(3) Involved in opening and closing of stomata and activation of enzyme

(4) Maintenance of the turgidity of the cells and all phosphorylation reactions

(1) Meristematic and Differentiating tissues

(2) Used in synthesis of Cell membrane as calcium pectate in the middle lamella

(3) It accumulates in older leaves

(4) It is needed during the formation of mitotic spindle

(1) Ca++

(2) K+

(3) Zn++

(4) Cl-

1. Absorbed as Mg++

2. Activates the enzymes of respiration, photosynthesis

3. Involved in the synthesis of DNA and RNA

4. Involved in the formation of spindle formation

(1) Mg++

(2) Mn++

(3) Ca++

(4) Zn++

(1) Mg

(2) Ca

(3) Zn

(4) Cl

(1) Sulphate

(2) S₈

(3) S₄

(4) SO₂