In which form mineral are absorbed?

In what form is magnesium absorbed by plants from soil?Give two functions of magnesium in plants and its two deficient symptoms.

Name the cells through which minerals absorbed are transferred form xylem to phloem.

Name the tissue through which water and minerals are transported in plants.

All the minerals are ores.

Give the information about the following mineral nutrients in plant as asked against each: Boron:Chemical form in which absorbed from the soil,deficiency symptom with respect to flower.

[Ti(H_2O)_6]^(3+) absorbs light of a wavelength 500 nm. Name one ligand which would form Ti(IID) complex absorbing light of lower wavelength than 500 nm and one ligand which would form acomplex absorbing light of wavelength higher than 500 nm.