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Class 9 Biology Tissues in Plants Simple permanent tissues
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#Biology #Tissues in plants #Simple permanent tissues #Meristematic cell #Parenchyma #Collenchyma #Sclerenchyma #Epidermis • Make your learning journey simpler! Master concepts with our experts, learn tricks to solve questions and move closer to success. Subscribe our Champions programme and make your JEE NEET journey impactful 👍🏆 Register today! Link: https://www.turito.com/in/course/broa... • Simple permanent tissues are one of the two main types of plant tissues, with the other being complex permanent tissues. These tissues are composed of similar types of cells and serve specific functions in a plant's growth and development. Here's a brief description of simple permanent tissues: • Simple Permanent Tissues: • Composition: Simple permanent tissues consist of cells that are structurally and functionally similar. They are composed of one type of cell, unlike complex tissues, which are made up of more than one cell type. • Types: There are three main types of simple permanent tissues: parenchyma, collenchyma, and sclerenchyma. • Parenchyma: These are the most common and versatile simple tissues. Parenchyma cells have thin cell walls and are often found in various parts of the plant, including the leaves, stems, and roots. They function in processes like photosynthesis, storage of food and water, and support. • Collenchyma: Collenchyma cells have thicker, unevenly thickened cell walls. They provide support and flexibility to young, growing plant parts, such as the stems and petioles of leaves. • Sclerenchyma: Sclerenchyma cells have very thick, rigid cell walls and are often dead at maturity. They provide mechanical support and protection to mature plant tissues, such as the outer covering of seeds and the hard shells of nuts. • Function: Simple permanent tissues perform essential roles in the plant, including structural support, storage of nutrients, and contributing to the overall physiology and development of the plant. • Characteristics: These tissues are usually comprised of living cells, although some sclerenchyma cells may be dead at maturity. The cells within simple permanent tissues are tightly packed and have relatively simple shapes. • Location: Simple permanent tissues are found throughout the plant body, and their specific location depends on the tissue type and its function within the plant. • Simple permanent tissues are fundamental building blocks of plants and play crucial roles in maintaining the plant's form and function. They are involved in processes like photosynthesis, water storage, and structural support, contributing to the overall growth and health of the plant.
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