A plant which grows on another plant without apparent harm to the host plant is called

Given the equation:
6CO\(_2\) + 6H\(_2\)O → C\(_6\)H\(_{12}\)O\(_6\) + 6O\(_2\) {Under sunlight & Chlorophyll)

The process represented by the above equation is?

Given the equation:
6CO\(_2\) + 6H\(_2\)O → C\(_6\)H\(_{12}\)O\(_6\) + 6O\(_2\) (Under sunlight & Chlorophyll)
The oxygen given off during the above process is derived from

One of the function of xylem is

People suffering from myopia