In this article we will study about permanent and secretary tissues found in plants. Study of Permanent Tissues: The derivatives of meristematic cells gradually become differentiated, lose the capability of undergoing divisions and form permanent tissues. In plants, different types of permanent tissues are found: 1. Simple Permanent Tissues: These are composed of similar cells and so are homogeneous in [...]
In this article we will study about the tissue systems seen in plants:- 1. Epidermal (Dermal) Tissue System 2. Fundamental or Ground Tissue System. Study of Epidermal (Dermal) Tissue System: This system consists of the outermost skin or epidermis of all plant organs. It represents the region of contact between the plant and the environment. It is primarily a protective [...]
In this article we will study about primary structures of plant with the help of suitable diagrams. (A) Stem of Cucurbita sp. (Fig. 6.1): The stem is wavy in outline and thus shows distinct ridges and furrows. The stem shows the following plan of arrangement of tissues in transverse section: 1. Epidermis: It is the outermost layer of the [...]