Principle purpose of this lecture is to present on Food Production; Action in Plants. here briefly describe on Plant cells. Plant cells contain a jelly-like cytoplasm. They all have a nucleus and usually have a sap-filled vacuole. The cell is surrounded by a cell membrane and around the cell membrane there is a cellulose cell wall. Plant cells in green parts of a plant like leaves also contain chloroplasts. Finally present on Photosynthesis, Chloroplasts and explain interdependance between plants and animals.