Kerala PSC Botany Lecturer / Assistant Professor Model Question Paper 2017 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 under the Directorate of Collegiate Education, Trivandrum, […]
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Sclerenchyma: Structure, Classification and Functions
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 […]
Continue ReadingCollenchyma: Structure, Classification and Functions
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 […]
Continue ReadingParenchyma: Structure, Classification and Functions
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 […]
Continue ReadingEcological Adaptations of Xerophytes (with PPT)
What are xerophytes? Ø Xerophytes (xerophytic plants) are plants growing in dry habitats (xeric conditions) where the availability of water is very less. Xeric habitat are the places where water is NOT present in adequate quantity. Xerophytes are the characteristic plants of deserts or semi-deserts areas. Xerophytes can also grow in […]
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