Question

short note on nutrition in plants

Answer 1

At least 17 elements are known to be essential nutrients for plants. ... Carbon and oxygen are absorbed from the air while other nutrientsare absorbed from the soil. Greenplants obtain their carbohydrate supply from the carbon dioxide in the air by the process of photosynthesis.

Answer 2

there are two mode of nutrition in plants autotroph and heterotroph
autotroph means self preparing of food example - plants
heterotroph means depending on other for their food - humans
autotroph - photosynthesis ... photosynthesis is a process by which green plants synthesise food from raw materials like carbon dioxide and water ....
in heterotroph comes the parasitic mode , insectivorous, saprophytuc, symbiotic