Kerala PSC Botany Lecturer / Assistant Professor Model Question Paper 2017 Botany Assistant Professor Recruitment Test by PSC: Model/Sample Question Paper of Kerala PSC Botany Lecturer/Assistant Professor Recruitment Examination to be conducted by Kerala Public Service Commission Question for the appointment of Botany Lecturer/Assistant Professor in Government Colleges of Kerala […]
Sclerenchyma is a simple permanent tissue in plants. Sclerenchymatous cells are dead at their maturity. Cells do not have protoplast when they completely developed. They have thick secondary cell wall. The secondary cell wall is lignified and very hard. Most of the sclerenchymatous cells show intrusive growth. The present post […]
Collenchyma is a simple permanent tissue in plants. They are living cells with prominent nucleus and all the cell organelles. Each collenchymatous cell is with a large and prominent vacuole in the centre. The vacuole is filled with many secondary metabolites. Unlike parenchyma, the collenchyma cells possess thick primary cell […]
The tissue (a group of cells with particular function) composed of single type of cells. Three types of simple tissue system in plants, namely (1). Parenchyma, (2). Collenchyma and (3). Sclerenchyma. The present article discusses the Structure and Types of Parenchyma Cells in Plants. Characteristics of Parenchyma (Parenchymatous Cells) Ø Parenchyma […]
What is Epithelium? Ø Epithelium is a tissue system in animals. Ø Epithelium constitutes the outer layer of body surfaces, linings of the alimentary canal and the walls of hollow structures. Ø It covers the internal or external surfaces of the body. Ø Epithelial cells are held together by carbohydrate […]