Question

Role of calcium ion in plants , and also give a deficiency symptoms .

Answer 1

Calcium deficiencies in plants are associated with reduced height, fewer nodes, and less leaf area. Crop-specific symptoms include: Apple. ... Stunted growth, central leaves stunted.

Answer 2

Answer:-

Role of calcium :-⤵

Calcium, in the form of calcium pectate, is responsible for holding together the cell walls of plants. 

Deficiency symptoms of calcium in plants :-⤵

Calcium is not mobile within the plant. So the plant relies on the process of transpiration in which the plant roots take up the soil solution (which contains the needed calcium), transports it to new growth where the calcium is used and the excess water vapor escapes out through holes in the leaves called stomata.

Thanks

@Anushka