01 DEFINITION Tissue Tissue is a group of cells that are similar in structure and are organised together to perform vital functions. Different types of tissues work together and form an organ. Organs are arranged into a system to form an organ system. For example, reproductive system etc. An organism consists of such organ system working together. Study of tissues is called as histology. 02 DEFINITION Meristematic tissue A meristematic tissue is a simple tissue composed of group of similar and immature cells which can divide and form new cells. 03 DEFINITION Apical/Terminal meristem Apical/Terminal meristem are found in growing tips of stems and roots. Its function is to increases the length of the stem and root. 04 DEFINITION Lateral meristem Lateral meristems are found in all woody plants and in some herbaceous ones, consist of the vascular cambium and the cork cambium. ...
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