Biology

A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the midrib. When the incisions…

The arrangement of veins and the veinlets in the lamina of leaf is termed as venation. When the veinlets form a network, the venation is…

The leaf is a lateral, generally flattened structure borne on the stem. It develops at the node and bears a bud in its axil. The…

The stem may not always be typically like what they are expected to be. They are modified to perform different functions (Figure). Underground stems of…

The stem is the ascending part of the axis bearing branches, leaves, flowers and fruits. It develops from the plumule of the embryo of a…

Roots in some plants change their shape and structure and become modified to perform functions other than absorption and conduction of water and minerals. They…

The cell organelles that are responsible for protein synthesis are known as Ribosomes. Discovery: In 1955, Pavel first discovered Ribosome. Shape: Almost round or oval…

Golgi body is a unique cytoplasmic organelle of animal cell. They are few in number. They are usually found in a group close to nucleus…

The root is covered at the apex by a thimble-like structure called the root cap (Figure). It protects the tender apex of the root as…

In majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of primary root which grows inside the soil. It…