Question

only some plants store food in their different parts. What happens to the food prepared by other green plants or trees like peepal, sal, cactus etc?

Answer 1

The excess food is stored as sugar and starches in various parts of the plants. these stores provide a source of energy not only for the plants, but also for the animals and humans that eat them.
Like Glucose is a simple sugar that is stored in large quantities in the stems of some plants