The leaf is the aerial part of the plants which contains chlorophyll. It is known as the food factory of the plants as the chlorophyll traps the sunlight for the synthesis of food by utilising water and carbon dioxide. Besides this, it contains several pores called stomata which help in the gaseous exchange and transpiration. The diagram of a compound leaf showing different parts of the leaf including petiole, mid rib, veins in the leaf lamina.

The roots are the underground, non-green part of the plants which absorb water and minerals from the soil. The monocot and dicot plants have different types of roots. The monocot plants have fibrous roots, whereas the dicot plants have tap root. The structure of tap root is as follows: The diagram of a tap root showing the lateral roots arises from the main root.

The flower is the most prominent and reproductive organ of the plant. A complete flower consists of four different whorls named calyx, corolla, androecium, and gynoecium. These are made up of several units named sepals, petals, stamens, and carpel respectively. The diagram of a complete flower is represented as follows: The diagram of a complete flower showing all the floral whorls.