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notes on tissue system which is type epidermal tissue system, ground tissue system and vascular tissue system.
Answers
Explanation:
The vascular tissue system
The vascular system consists of complex tissues, the phloem and the xylem. The xylem and phloem together constitute vascular bundles. ... In conjoint type of vascular bundles, the xylem and phloem are situated at the same radius of vascular bundles.
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Answer:
1. Epidermal Tissue System:
The cells of epidermis are parenchymatous having protoplasm and nucleus without intercellular spaces. Epidermis possesses numerous minute openings called stomata. Main function of stomata is exchange of gases between the internal tissues and the external atmosphere. Cuticle is present on the outer wall of epidermis to check evaporation of water. Epidermis forms a Protective layer in leaves, young roots, stem, flower, fruits etc.
2. Ground Tissues System:
It includes all the tissues of the plant body except epidermal and vascular tissues.It is divided into following parts:
(i) Hypodermis
(ii) General Cortex
(iii) Endodermis
(iv) Pericycle
(v) Pith
3. Vascular Tissue System:
It consists of xylem and phloem tissues which are found as strands termed as vascular bundles. The main function of xylem is to conduct water, materials to different parts of the plant body. The main function of phloem is transportation of food materials in different parts of the plant.There are three different types of vascular bundles-
(i) Radial Bundles
(ii) Conjoint bundles